Compilare: main.cpp: In function 'int main()': main.cpp:57:15: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(Gt[it].size()!=1) ^ main.cpp:63:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1; j<=div_pe_cc[i].size()-f[b]+1; j++) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:65:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; j<=div_pe_cc[i].size(); j++) ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:69:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1; j<=div_pe_cc[i].size(); j++) ~^~~~~~~~~~~~~~~~~~~~~ main.cpp:34:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("salsa.in","r",stdin); ^ main.cpp:35:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("salsa.out","w",stdout); ^ main.cpp:36:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:39:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^