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-
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diff --git a/examples/contrib/olympic.csproj b/examples/contrib/olympic.csproj
index fa185344c6..21b4c73a6d 100644
--- a/examples/contrib/olympic.csproj
+++ b/examples/contrib/olympic.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/organize_day.csproj b/examples/contrib/organize_day.csproj
index 6375f01887..8ce56b7399 100644
--- a/examples/contrib/organize_day.csproj
+++ b/examples/contrib/organize_day.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/organize_day_intervals.csproj b/examples/contrib/organize_day_intervals.csproj
index 865e7f3bec..98c87bcd7e 100644
--- a/examples/contrib/organize_day_intervals.csproj
+++ b/examples/contrib/organize_day_intervals.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/p_median.csproj b/examples/contrib/p_median.csproj
index e27245ddfc..4a1c7481a9 100644
--- a/examples/contrib/p_median.csproj
+++ b/examples/contrib/p_median.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/pandigital_numbers.csproj b/examples/contrib/pandigital_numbers.csproj
index d45e6ecadf..e3c3a803b0 100644
--- a/examples/contrib/pandigital_numbers.csproj
+++ b/examples/contrib/pandigital_numbers.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/partition.csproj b/examples/contrib/partition.csproj
index c31760e0f8..d1294531cb 100644
--- a/examples/contrib/partition.csproj
+++ b/examples/contrib/partition.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/perfect_square_sequence.csproj b/examples/contrib/perfect_square_sequence.csproj
index 0a6ae37b1f..c7ffdaf4de 100644
--- a/examples/contrib/perfect_square_sequence.csproj
+++ b/examples/contrib/perfect_square_sequence.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/photo_problem.csproj b/examples/contrib/photo_problem.csproj
index 1967cff4e4..f49ff16efd 100644
--- a/examples/contrib/photo_problem.csproj
+++ b/examples/contrib/photo_problem.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/place_number_puzzle.csproj b/examples/contrib/place_number_puzzle.csproj
index 9d3d2a8bb1..d7fe840f95 100644
--- a/examples/contrib/place_number_puzzle.csproj
+++ b/examples/contrib/place_number_puzzle.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/post_office_problem2.csproj b/examples/contrib/post_office_problem2.csproj
index 56b18ec04f..5bfd95c3bf 100644
--- a/examples/contrib/post_office_problem2.csproj
+++ b/examples/contrib/post_office_problem2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/quasigroup_completion.csproj b/examples/contrib/quasigroup_completion.csproj
index 19e886e940..3f3db0aa15 100644
--- a/examples/contrib/quasigroup_completion.csproj
+++ b/examples/contrib/quasigroup_completion.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/regex.csproj b/examples/contrib/regex.csproj
index 0cb3b9ba58..c0a2bbc921 100644
--- a/examples/contrib/regex.csproj
+++ b/examples/contrib/regex.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/rogo2.csproj b/examples/contrib/rogo2.csproj
index 9357dc1522..52ffc172b4 100644
--- a/examples/contrib/rogo2.csproj
+++ b/examples/contrib/rogo2.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/scheduling_speakers.csproj b/examples/contrib/scheduling_speakers.csproj
index 4fa5f928ac..8a03494743 100644
--- a/examples/contrib/scheduling_speakers.csproj
+++ b/examples/contrib/scheduling_speakers.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/secret_santa.csproj b/examples/contrib/secret_santa.csproj
index 2f796bdf8c..1455ba656c 100644
--- a/examples/contrib/secret_santa.csproj
+++ b/examples/contrib/secret_santa.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/secret_santa2.csproj b/examples/contrib/secret_santa2.csproj
index b35d8bf325..24bb6f1afb 100644
--- a/examples/contrib/secret_santa2.csproj
+++ b/examples/contrib/secret_santa2.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/send_more_money.csproj b/examples/contrib/send_more_money.csproj
index 0f52dc420a..772025dbe0 100644
--- a/examples/contrib/send_more_money.csproj
+++ b/examples/contrib/send_more_money.csproj
@@ -19,6 +19,6 @@
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diff --git a/examples/contrib/send_more_money2.csproj b/examples/contrib/send_more_money2.csproj
index e645f769b2..01bf6f123b 100644
--- a/examples/contrib/send_more_money2.csproj
+++ b/examples/contrib/send_more_money2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/send_most_money.csproj b/examples/contrib/send_most_money.csproj
index 9ada1f393c..d874d70dcc 100644
--- a/examples/contrib/send_most_money.csproj
+++ b/examples/contrib/send_most_money.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/seseman.csproj b/examples/contrib/seseman.csproj
index 465d01cdca..abc767dd2d 100644
--- a/examples/contrib/seseman.csproj
+++ b/examples/contrib/seseman.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/set_covering.csproj b/examples/contrib/set_covering.csproj
index b55373df87..5ce743eea1 100644
--- a/examples/contrib/set_covering.csproj
+++ b/examples/contrib/set_covering.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering2.csproj b/examples/contrib/set_covering2.csproj
index 9a5ce7835d..6f28a2ce7b 100644
--- a/examples/contrib/set_covering2.csproj
+++ b/examples/contrib/set_covering2.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering3.csproj b/examples/contrib/set_covering3.csproj
index 0c5ffdb22d..2789573286 100644
--- a/examples/contrib/set_covering3.csproj
+++ b/examples/contrib/set_covering3.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering4.csproj b/examples/contrib/set_covering4.csproj
index 3e11349d12..5df39d5823 100644
--- a/examples/contrib/set_covering4.csproj
+++ b/examples/contrib/set_covering4.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering_deployment.csproj b/examples/contrib/set_covering_deployment.csproj
index 36093cec6d..b0284297a1 100644
--- a/examples/contrib/set_covering_deployment.csproj
+++ b/examples/contrib/set_covering_deployment.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_covering_skiena.csproj b/examples/contrib/set_covering_skiena.csproj
index 7eaaa70a0e..65dd49eeb8 100644
--- a/examples/contrib/set_covering_skiena.csproj
+++ b/examples/contrib/set_covering_skiena.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/set_partition.csproj b/examples/contrib/set_partition.csproj
index c6fcd7a0e3..d4f3312db7 100644
--- a/examples/contrib/set_partition.csproj
+++ b/examples/contrib/set_partition.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/sicherman_dice.csproj b/examples/contrib/sicherman_dice.csproj
index a12971b9d0..7f3203ad5e 100644
--- a/examples/contrib/sicherman_dice.csproj
+++ b/examples/contrib/sicherman_dice.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/ski_assignment.csproj b/examples/contrib/ski_assignment.csproj
index dcd6a94bf2..dbec2664b6 100644
--- a/examples/contrib/ski_assignment.csproj
+++ b/examples/contrib/ski_assignment.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/stable_marriage.csproj b/examples/contrib/stable_marriage.csproj
index 27084fdcb4..042ea6b6a7 100644
--- a/examples/contrib/stable_marriage.csproj
+++ b/examples/contrib/stable_marriage.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/strimko2.csproj b/examples/contrib/strimko2.csproj
index 14016fca01..2c1e8efe04 100644
--- a/examples/contrib/strimko2.csproj
+++ b/examples/contrib/strimko2.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/subset_sum.csproj b/examples/contrib/subset_sum.csproj
index bda991ec3a..3522cfee14 100644
--- a/examples/contrib/subset_sum.csproj
+++ b/examples/contrib/subset_sum.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/sudoku.csproj b/examples/contrib/sudoku.csproj
index f9649a0756..80b0be91d7 100644
--- a/examples/contrib/sudoku.csproj
+++ b/examples/contrib/sudoku.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/survo_puzzle.csproj b/examples/contrib/survo_puzzle.csproj
index fa74635d92..9de7a8b90b 100644
--- a/examples/contrib/survo_puzzle.csproj
+++ b/examples/contrib/survo_puzzle.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/to_num.csproj b/examples/contrib/to_num.csproj
index f3649d8be9..dd7cdf39f5 100644
--- a/examples/contrib/to_num.csproj
+++ b/examples/contrib/to_num.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/traffic_lights.csproj b/examples/contrib/traffic_lights.csproj
index 002c92f897..64fe5c3539 100644
--- a/examples/contrib/traffic_lights.csproj
+++ b/examples/contrib/traffic_lights.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/volsay.csproj b/examples/contrib/volsay.csproj
index 61f65ba6c3..b29eca699f 100644
--- a/examples/contrib/volsay.csproj
+++ b/examples/contrib/volsay.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/volsay2.csproj b/examples/contrib/volsay2.csproj
index 601760585e..764db15d93 100644
--- a/examples/contrib/volsay2.csproj
+++ b/examples/contrib/volsay2.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/contrib/volsay3.csproj b/examples/contrib/volsay3.csproj
index 9a4a69b719..a8891ef51a 100644
--- a/examples/contrib/volsay3.csproj
+++ b/examples/contrib/volsay3.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/wedding_optimal_chart.csproj b/examples/contrib/wedding_optimal_chart.csproj
index 36fdcfff89..8f1b2df50a 100644
--- a/examples/contrib/wedding_optimal_chart.csproj
+++ b/examples/contrib/wedding_optimal_chart.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/who_killed_agatha.csproj b/examples/contrib/who_killed_agatha.csproj
index 7125635c16..d960ef3d6f 100644
--- a/examples/contrib/who_killed_agatha.csproj
+++ b/examples/contrib/who_killed_agatha.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/word_square.csproj b/examples/contrib/word_square.csproj
index eceed952ce..2aebbbc8e1 100644
--- a/examples/contrib/word_square.csproj
+++ b/examples/contrib/word_square.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/xkcd.csproj b/examples/contrib/xkcd.csproj
index 42a4cc4883..c4130e2341 100644
--- a/examples/contrib/xkcd.csproj
+++ b/examples/contrib/xkcd.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/young_tableaux.csproj b/examples/contrib/young_tableaux.csproj
index 71640258b8..cf8edc3010 100644
--- a/examples/contrib/young_tableaux.csproj
+++ b/examples/contrib/young_tableaux.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/contrib/zebra.csproj b/examples/contrib/zebra.csproj
index 9c049ead84..cef1b472bc 100644
--- a/examples/contrib/zebra.csproj
+++ b/examples/contrib/zebra.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/BalanceGroupSat.csproj b/examples/dotnet/BalanceGroupSat.csproj
index a6fab5b90d..727f11c820 100644
--- a/examples/dotnet/BalanceGroupSat.csproj
+++ b/examples/dotnet/BalanceGroupSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/GateSchedulingSat.csproj b/examples/dotnet/GateSchedulingSat.csproj
index a09b8b9efe..7a0b3c7b30 100644
--- a/examples/dotnet/GateSchedulingSat.csproj
+++ b/examples/dotnet/GateSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/JobshopFt06Sat.csproj b/examples/dotnet/JobshopFt06Sat.csproj
index 8f9a2ae7d3..aeba075e23 100644
--- a/examples/dotnet/JobshopFt06Sat.csproj
+++ b/examples/dotnet/JobshopFt06Sat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/JobshopSat.csproj b/examples/dotnet/JobshopSat.csproj
index d6c2a51af4..f382fea6e0 100644
--- a/examples/dotnet/JobshopSat.csproj
+++ b/examples/dotnet/JobshopSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/NetworkRoutingSat.csproj b/examples/dotnet/NetworkRoutingSat.csproj
index a5d279e7b2..311c93482a 100644
--- a/examples/dotnet/NetworkRoutingSat.csproj
+++ b/examples/dotnet/NetworkRoutingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/NursesSat.csproj b/examples/dotnet/NursesSat.csproj
index 8568c4d5e2..b17725c927 100644
--- a/examples/dotnet/NursesSat.csproj
+++ b/examples/dotnet/NursesSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/ShiftSchedulingSat.csproj b/examples/dotnet/ShiftSchedulingSat.csproj
index e9efb939ce..fb8dd87c54 100644
--- a/examples/dotnet/ShiftSchedulingSat.csproj
+++ b/examples/dotnet/ShiftSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/SpeakerSchedulingSat.csproj b/examples/dotnet/SpeakerSchedulingSat.csproj
index 8ed0f4b162..b6f4a2ea66 100644
--- a/examples/dotnet/SpeakerSchedulingSat.csproj
+++ b/examples/dotnet/SpeakerSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/TaskSchedulingSat.csproj b/examples/dotnet/TaskSchedulingSat.csproj
index a7215630af..af30e811d3 100644
--- a/examples/dotnet/TaskSchedulingSat.csproj
+++ b/examples/dotnet/TaskSchedulingSat.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/cscvrptw.csproj b/examples/dotnet/cscvrptw.csproj
index cc8f600b1f..fdb9837e71 100644
--- a/examples/dotnet/cscvrptw.csproj
+++ b/examples/dotnet/cscvrptw.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csflow.csproj b/examples/dotnet/csflow.csproj
index 0a91c2bb23..dd5e99b875 100644
--- a/examples/dotnet/csflow.csproj
+++ b/examples/dotnet/csflow.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csintegerprogramming.csproj b/examples/dotnet/csintegerprogramming.csproj
index ca592d3dc9..2337fe07e8 100644
--- a/examples/dotnet/csintegerprogramming.csproj
+++ b/examples/dotnet/csintegerprogramming.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csknapsack.csproj b/examples/dotnet/csknapsack.csproj
index e5c5d569f5..149abf9dd0 100644
--- a/examples/dotnet/csknapsack.csproj
+++ b/examples/dotnet/csknapsack.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/cslinearprogramming.csproj b/examples/dotnet/cslinearprogramming.csproj
index 67cc4c4362..ca3d500d68 100644
--- a/examples/dotnet/cslinearprogramming.csproj
+++ b/examples/dotnet/cslinearprogramming.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csls_api.csproj b/examples/dotnet/csls_api.csproj
index 0a42f52206..bd7a99c91e 100644
--- a/examples/dotnet/csls_api.csproj
+++ b/examples/dotnet/csls_api.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/csrabbitspheasants.csproj b/examples/dotnet/csrabbitspheasants.csproj
index b808201940..fb94c5e035 100644
--- a/examples/dotnet/csrabbitspheasants.csproj
+++ b/examples/dotnet/csrabbitspheasants.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/examples/dotnet/cstsp.csproj b/examples/dotnet/cstsp.csproj
index 5e0553f902..fce98e3df8 100644
--- a/examples/dotnet/cstsp.csproj
+++ b/examples/dotnet/cstsp.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/examples/tests/ConstraintSolverTests.csproj b/examples/tests/ConstraintSolverTests.csproj
index ca27bd59d4..82779b64eb 100644
--- a/examples/tests/ConstraintSolverTests.csproj
+++ b/examples/tests/ConstraintSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/LinearSolverTests.csproj b/examples/tests/LinearSolverTests.csproj
index d8943ff2a8..bc48feb1b6 100644
--- a/examples/tests/LinearSolverTests.csproj
+++ b/examples/tests/LinearSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/RoutingSolverTests.csproj b/examples/tests/RoutingSolverTests.csproj
index 6a5dc26994..a48cc037b2 100644
--- a/examples/tests/RoutingSolverTests.csproj
+++ b/examples/tests/RoutingSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/SatSolverTests.csproj b/examples/tests/SatSolverTests.csproj
index 8eb0828d5c..f671c89f5e 100644
--- a/examples/tests/SatSolverTests.csproj
+++ b/examples/tests/SatSolverTests.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/examples/tests/issue18.csproj b/examples/tests/issue18.csproj
index 90780fc8d3..c60bcd4ffe 100644
--- a/examples/tests/issue18.csproj
+++ b/examples/tests/issue18.csproj
@@ -22,6 +22,6 @@
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+
diff --git a/examples/tests/issue22.csproj b/examples/tests/issue22.csproj
index 96022add75..1f336c0ac0 100644
--- a/examples/tests/issue22.csproj
+++ b/examples/tests/issue22.csproj
@@ -22,6 +22,6 @@
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+
diff --git a/examples/tests/issue33.csproj b/examples/tests/issue33.csproj
index d4db5dfd25..7e8d450ac0 100644
--- a/examples/tests/issue33.csproj
+++ b/examples/tests/issue33.csproj
@@ -22,6 +22,6 @@
-
+
diff --git a/ortools/algorithms/samples/Knapsack.csproj b/ortools/algorithms/samples/Knapsack.csproj
index d5b9086852..8195880831 100644
--- a/ortools/algorithms/samples/Knapsack.csproj
+++ b/ortools/algorithms/samples/Knapsack.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/SimpleCpProgram.csproj b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
index cb6e96cf49..6d84d4aab6 100644
--- a/ortools/constraint_solver/samples/SimpleCpProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
index 3851b15462..451a6e7392 100644
--- a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/Tsp.csproj b/ortools/constraint_solver/samples/Tsp.csproj
index 4fef7e6b90..d6d2d3014c 100644
--- a/ortools/constraint_solver/samples/Tsp.csproj
+++ b/ortools/constraint_solver/samples/Tsp.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/TspCircuitBoard.csproj b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
index 398df70834..1aaa65ddbd 100644
--- a/ortools/constraint_solver/samples/TspCircuitBoard.csproj
+++ b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/TspCities.csproj b/ortools/constraint_solver/samples/TspCities.csproj
index cedfc7ca1f..8083dcb7f4 100644
--- a/ortools/constraint_solver/samples/TspCities.csproj
+++ b/ortools/constraint_solver/samples/TspCities.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
index d30220894f..6f896001fd 100644
--- a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
+++ b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/Vrp.csproj b/ortools/constraint_solver/samples/Vrp.csproj
index b90db91869..6e894aeebc 100644
--- a/ortools/constraint_solver/samples/Vrp.csproj
+++ b/ortools/constraint_solver/samples/Vrp.csproj
@@ -19,6 +19,6 @@
-
+
diff --git a/ortools/constraint_solver/samples/VrpCapacity.csproj b/ortools/constraint_solver/samples/VrpCapacity.csproj
index fc4dfcad4d..d6c0948290 100644
--- a/ortools/constraint_solver/samples/VrpCapacity.csproj
+++ b/ortools/constraint_solver/samples/VrpCapacity.csproj
@@ -19,6 +19,6 @@
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+
diff --git a/ortools/constraint_solver/samples/VrpDropNodes.csproj b/ortools/constraint_solver/samples/VrpDropNodes.csproj
index e4d66a558b..c3cf0ba452 100644
--- a/ortools/constraint_solver/samples/VrpDropNodes.csproj
+++ b/ortools/constraint_solver/samples/VrpDropNodes.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
index efe7ff231d..6fe149ce51 100644
--- a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
+++ b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
index 888b361363..5062969198 100644
--- a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
+++ b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
index adb425e505..0adee30a1d 100644
--- a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
index 9a782e4424..c8f4c3cef9 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
index 89728bd957..617aa59ad6 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpResources.csproj b/ortools/constraint_solver/samples/VrpResources.csproj
index b6d5e2caf6..a60028ef17 100644
--- a/ortools/constraint_solver/samples/VrpResources.csproj
+++ b/ortools/constraint_solver/samples/VrpResources.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpStartsEnds.csproj b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
index 23d5d41cbf..6d47ce8e17 100644
--- a/ortools/constraint_solver/samples/VrpStartsEnds.csproj
+++ b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpTimeWindows.csproj b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
index dea4e313d1..5271e45d62 100644
--- a/ortools/constraint_solver/samples/VrpTimeWindows.csproj
+++ b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
index f4af8d13b3..e75614e8f8 100644
--- a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
+++ b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/graph/samples/SimpleMaxFlowProgram.csproj b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
index aa507933d3..496ef13fe6 100644
--- a/ortools/graph/samples/SimpleMaxFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
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diff --git a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
index 9c0b179343..f0ee8055c9 100644
--- a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/AssignmentMip.csproj b/ortools/linear_solver/samples/AssignmentMip.csproj
index 97520bb6e2..4df051ed93 100644
--- a/ortools/linear_solver/samples/AssignmentMip.csproj
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diff --git a/ortools/linear_solver/samples/BinPackingMip.csproj b/ortools/linear_solver/samples/BinPackingMip.csproj
index e3222a7ef8..0ea2bc240e 100644
--- a/ortools/linear_solver/samples/BinPackingMip.csproj
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@@ -19,6 +19,6 @@
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diff --git a/ortools/linear_solver/samples/LinearProgrammingExample.csproj b/ortools/linear_solver/samples/LinearProgrammingExample.csproj
index e233a06eee..9ea27f3a0f 100644
--- a/ortools/linear_solver/samples/LinearProgrammingExample.csproj
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diff --git a/ortools/linear_solver/samples/MipVarArray.csproj b/ortools/linear_solver/samples/MipVarArray.csproj
index b3076ea4bd..7353152033 100644
--- a/ortools/linear_solver/samples/MipVarArray.csproj
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diff --git a/ortools/linear_solver/samples/MultipleKnapsackMip.csproj b/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
index b4c1bad489..b762862ea1 100644
--- a/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
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diff --git a/ortools/linear_solver/samples/SimpleLpProgram.csproj b/ortools/linear_solver/samples/SimpleLpProgram.csproj
index 961bf61376..4e3e895c3c 100644
--- a/ortools/linear_solver/samples/SimpleLpProgram.csproj
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diff --git a/ortools/linear_solver/samples/SimpleMipProgram.csproj b/ortools/linear_solver/samples/SimpleMipProgram.csproj
index b5f947cad4..eacdd92b4f 100644
--- a/ortools/linear_solver/samples/SimpleMipProgram.csproj
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diff --git a/ortools/sat/samples/AssignmentSat.csproj b/ortools/sat/samples/AssignmentSat.csproj
index 772f58df7b..ad0ceee529 100644
--- a/ortools/sat/samples/AssignmentSat.csproj
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diff --git a/ortools/sat/samples/BinPackingProblemSat.csproj b/ortools/sat/samples/BinPackingProblemSat.csproj
index 914417d5b2..1bd221fcfd 100644
--- a/ortools/sat/samples/BinPackingProblemSat.csproj
+++ b/ortools/sat/samples/BinPackingProblemSat.csproj
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diff --git a/ortools/sat/samples/BoolOrSampleSat.csproj b/ortools/sat/samples/BoolOrSampleSat.csproj
index 537a20de7e..99905e911c 100644
--- a/ortools/sat/samples/BoolOrSampleSat.csproj
+++ b/ortools/sat/samples/BoolOrSampleSat.csproj
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diff --git a/ortools/sat/samples/ChannelingSampleSat.csproj b/ortools/sat/samples/ChannelingSampleSat.csproj
index 47c359fb5e..64f3151559 100644
--- a/ortools/sat/samples/ChannelingSampleSat.csproj
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diff --git a/ortools/sat/samples/CpIsFunSat.csproj b/ortools/sat/samples/CpIsFunSat.csproj
index ba0f784ff5..c25cadcadc 100644
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diff --git a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
index c2217ad8dd..0655426914 100644
--- a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
+++ b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/IntervalSampleSat.csproj b/ortools/sat/samples/IntervalSampleSat.csproj
index 4b30254024..7e4c256611 100644
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diff --git a/ortools/sat/samples/LiteralSampleSat.csproj b/ortools/sat/samples/LiteralSampleSat.csproj
index 2619176eca..3213b80f6b 100644
--- a/ortools/sat/samples/LiteralSampleSat.csproj
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diff --git a/ortools/sat/samples/NoOverlapSampleSat.csproj b/ortools/sat/samples/NoOverlapSampleSat.csproj
index bcd574d2fe..08ef47f681 100644
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+++ b/ortools/sat/samples/NoOverlapSampleSat.csproj
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diff --git a/ortools/sat/samples/OptionalIntervalSampleSat.csproj b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
index 28f08060dd..b8eca4e9bc 100644
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+++ b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
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diff --git a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
index 9304bf474e..128cee344f 100644
--- a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
+++ b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
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diff --git a/ortools/sat/samples/RankingSampleSat.csproj b/ortools/sat/samples/RankingSampleSat.csproj
index b49a13717f..21085e4230 100644
--- a/ortools/sat/samples/RankingSampleSat.csproj
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diff --git a/ortools/sat/samples/ReifiedSampleSat.csproj b/ortools/sat/samples/ReifiedSampleSat.csproj
index fbd70981b9..e54eb31aba 100644
--- a/ortools/sat/samples/ReifiedSampleSat.csproj
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diff --git a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
index 0c29958995..45d6e61568 100644
--- a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SimpleSatProgram.csproj b/ortools/sat/samples/SimpleSatProgram.csproj
index 20d4b71955..351c687eee 100644
--- a/ortools/sat/samples/SimpleSatProgram.csproj
+++ b/ortools/sat/samples/SimpleSatProgram.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SolutionHintingSampleSat.csproj b/ortools/sat/samples/SolutionHintingSampleSat.csproj
index fa8cc8eef9..5731347503 100644
--- a/ortools/sat/samples/SolutionHintingSampleSat.csproj
+++ b/ortools/sat/samples/SolutionHintingSampleSat.csproj
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diff --git a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
index f364a7ae82..2cd5d9a672 100644
--- a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
index 8ef0037da8..f1a6c380b7 100644
--- a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
+++ b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
@@ -19,6 +19,6 @@
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diff --git a/ortools/sat/samples/StepFunctionSampleSat.csproj b/ortools/sat/samples/StepFunctionSampleSat.csproj
index 2e05c927b3..359133dc7f 100644
--- a/ortools/sat/samples/StepFunctionSampleSat.csproj
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diff --git a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
index 00b077d4ea..1acfe5dd6a 100644
--- a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
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@@ -19,6 +19,6 @@
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