Compilare: user.cpp: In function ‘int main()’: user.cpp:46:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(nr==0) ^ user.cpp:23:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("div.in", "r", stdin); ^ user.cpp:24:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("div.out", "w", stdout); ^ user.cpp:26:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &m); ^ user.cpp:27:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ user.cpp:62:47: warning: ‘minj’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d", mini+1, minj+1); ^ user.cpp:25:35: warning: ‘mini’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, m, i, j, min=MAX*2, k, mini, minj, nr=0, l1, l2; ^ /tmp/ccY5NTgd.o: In function `main': user.cpp:(.text.startup+0x6a): warning: the `gets' function is dangerous and should not be used.