Compilare: main.cpp: In function 'int main()': main.cpp:79:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<normm.size();i++) ~^~~~~~~~~~~~~ main.cpp:95:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<q[i].size();j++) ~^~~~~~~~~~~~ main.cpp:98:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(dr<q[i-1].size() && q[i-1][dr].x<=q[i][j].x) ~~^~~~~~~~~~~~~~ main.cpp: In function 'void inc()': main.cpp:51:35: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(pars,1,Buffer,stdin); ^ main.cpp: In function 'int main()': main.cpp:66:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bazar.in","r",stdin); ^ main.cpp:67:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("bazar.out","w",stdout); ^ main.cpp:68:31: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(pars,1,Buffer,stdin); ^