Compilare: main.cpp: In function 'int main()': main.cpp:13:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ghiozdan.in" , "r" , stdin); ^ main.cpp:14:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ghiozdan.out" , "w" , stdout); ^ main.cpp:16:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d" , &n , &gmax); ^ main.cpp:18:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d" , &v[i]); ^ main.cpp:45:14: warning: 'aux' may be used uninitialized in this function [-Wmaybe-uninitialized] else if(i == aux) ^~