Compilare: user.cpp: In function ‘int main()’: user.cpp:48:62: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(linie>0&&linie<n+1&&coloana<n+1&&coloana>0&&a[linie][coloana]==0||(a[coada[ic].l][coada[ic].c]<a[linie][coloana]&&a[linie][coloana]>0)) ^ user.cpp:14:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("muzeu.in","r",stdin); ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("muzeu.out","w",stdout); ^ user.cpp:17:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%c",&n,&c); ^ user.cpp:22:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&mat[i][j]); ^ user.cpp:34:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&c); ^