Compilare: main.cpp: In function 'int main()': main.cpp:115:46: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] std::freopen("baruri.in", "r", stdin); ^ main.cpp:116:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] std::freopen("baruri.out", "w", stdout); ^ main.cpp:119:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] std::scanf("%u", &T); ^ main.cpp:124:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] std::scanf("%d", &N); ^ main.cpp:131:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] std::scanf("%d", &value); ^ main.cpp:137:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] std::scanf("%d", &M); ^ main.cpp:141:57: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] std::scanf("%d%d%d", &a, &b, &c); ^ main.cpp:168:61: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] std::scanf("%d", &d); ^