Compilare: main.cpp: In function 'int main()': main.cpp:39:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(p=0; p<V.size(); ++p) if(Map[xx][yy]==V[p]){good=false; break;} ~^~~~~~~~~ main.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=0; k<V.size(); ++k) Sum+=List[V[k]]; ~^~~~~~~~~ main.cpp:13:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vila.in", "r", stdin); ^ main.cpp:14:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vila.out", "w", stdout); ^ main.cpp:15:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &M); ^ main.cpp:18:30: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(Ch, 130, stdin); ^