Compilare: main.cpp: In function 'int main()': main.cpp:50:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<double, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | while (j < g[i].size()) { | ~~^~~~~~~~~~~~~ main.cpp:53:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<double, double> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | while (g[i][p].first < g[i][j].second && p < g[i].size()) { | ~~^~~~~~~~~~~~~