Compilare: main.cpp: In function 'void solve(int, int)': main.cpp:23:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<q[i].size();j++) ~^~~~~~~~~~~~ main.cpp:40:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<qn[j].size();k++) ~^~~~~~~~~~~~~ main.cpp:58:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<qn[j].size();k++) ~^~~~~~~~~~~~~ main.cpp: In function 'void inc()': main.cpp:74:35: 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:88:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("razbunare.in","r",stdin); ^ main.cpp:89:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("razbunare.out","w",stdout); ^ main.cpp:90:31: 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); ^