Compilare: main.cpp: In function 'int main()': main.cpp:43:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("binar.in", "r", stdin); ^ main.cpp:44:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("binar.out", "w", stdout); ^ main.cpp:46:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i\n", &n, &m); ^ main.cpp:50:33: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(sir, m + 2, stdin); ^