Compilare: main.cpp: In function 'std::vector<long long int> operator-(std::vector<long long int>, std::vector<long long int>)': main.cpp:84:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<y.size();i++){ ~^~~~~~~~~ main.cpp:94:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(;i<x.size();i++){ ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:154:24: warning: narrowing conversion of 'i' from 'long long int' to 'int' inside { } [-Wnarrowing] h.push({d[i],i}); ^ main.cpp:163:21: warning: narrowing conversion of 'p' from 'long long int' to 'int' inside { } [-Wnarrowing] h.push({x,p}); ^