Compilare: main.cpp: In function 'long double solve(int, int)': main.cpp:47:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i=0; i<candidati.size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:49:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int j=i+1; j<candidati.size() && j<i+8; j++) | ~^~~~~~~~~~~~~~~~~