Eroare de compilare: main.cpp:8:1: error: 'vector' does not name a type vector<pair<long double,pair<int,int>>>l; ^~~~~~ main.cpp: In function 'long double dist(std::pair<int, int>, std::pair<int, int>)': main.cpp:49:120: error: 'sqrt' was not declared in this scope return (long double)sqrt((long double)((a.first-b.first)*(a.first-b.first)+(a.second-b.second)*(a.second-b.second))); ^ main.cpp: In function 'int main()': main.cpp:61:13: error: 'l' was not declared in this scope l.push_back({dist(v[i],v[j]),{i,j}}); ^ main.cpp:62:14: error: 'l' was not declared in this scope sort(l.begin(),l.end()); ^ main.cpp:62:31: error: 'sort' was not declared in this scope sort(l.begin(),l.end()); ^ main.cpp:69:20: error: unable to deduce 'auto&&' from 'l' for(auto x:l) ^ main.cpp:75:36: error: 'setprecision' was not declared in this scope cout<<fixed<<setprecision(6)<<s<<"\n"; ^ Non zero exit status: 1