Compilare: main.cpp: In function 'void precalc()': main.cpp:57:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for (int i = 0; i < coordonate.size(); i ++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:62:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (int i = 1; i <= forNormalization.size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:64:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for (int j = 1; j <= forNormalization.size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~