Compilare: user.cpp: In function ‘int pozitia_in_multime(int)’: user.cpp:17:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<v[rest].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:39:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (op==3) ^ user.cpp:25:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hashuri.in","r",stdin); ^ user.cpp:26:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("hashuri.out","w",stdout); ^ user.cpp:27:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:30:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&op,&x); ^