Compilare: main.cpp: In function 'void elimina(int, int)': main.cpp:38:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 38 | while(v[comp[x]].size()>p) | ~~~~~~~~~~~~~~~~~^~ main.cpp: In function 'int main()': main.cpp:72:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | if(comp[x]==comp[y])for(int j=0; j<v[comp[x]].size(); j++)if(v[comp[x]][j]==x&&v[comp[x]][j+1]==y||v[comp[x]][j]==y&&v[comp[x]][j+1]==x) | ~^~~~~~~~~~~~~~~~~~ main.cpp:72:90: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 72 | if(comp[x]==comp[y])for(int j=0; j<v[comp[x]].size(); j++)if(v[comp[x]][j]==x&&v[comp[x]][j+1]==y||v[comp[x]][j]==y&&v[comp[x]][j+1]==x) main.cpp:88:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for(int j=0;j<v[comp[x]].size();j++)if(v[comp[x]][j]==x){p=j;break;} | ~^~~~~~~~~~~~~~~~~~ main.cpp:93:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | if(p1<v[comp[x]].size())sol.push_back(v[comp[x]][p1]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:95:49: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 95 | else if(sol.size()==1||sol.size()==2&&sol[1]==sol[0])fout<<1<<" "<<sol[0];