Compilare: main.cpp:11:0: warning: ignoring #pragma region stuff [-Wunknown-pragmas] #pragma region stuff main.cpp:26:0: warning: ignoring #pragma endregion [-Wunknown-pragmas] #pragma endregion main.cpp: In function 'int32_t main()': main.cpp:51:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("banana.in", "r", stdin); ^ main.cpp:52:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("banana.out", "w", stdout); ^ main.cpp:55:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:58:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^