Compilare: main.cpp:3:0: warning: ignoring #pragma region TEMPLATE [-Wunknown-pragmas] #pragma region TEMPLATE main.cpp:41:0: warning: ignoring #pragma endregion [-Wunknown-pragmas] #pragma endregion main.cpp: In function 'int main()': main.cpp:101:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("biperm.in", "r", stdin); ^ main.cpp:102:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("biperm.out", "w", stdout); ^