Compilare: main.cpp: In function 'void solve()': main.cpp:101:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | if(pxx2 == 0 || pyy2 == 0 || pxx1 == nrmX.size() || pyy1 == nrmY.size()){ | ~~~~~^~~~~~~~~~~~~~ main.cpp:101:66: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | if(pxx2 == 0 || pyy2 == 0 || pxx1 == nrmX.size() || pyy1 == nrmY.size()){ | ~~~~~^~~~~~~~~~~~~~