Compilare: main.cpp: In function 'int main()': main.cpp:85:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for (int i = 0; i < lr.size(); i++) | ~~^~~~~~~~~~~ main.cpp:91:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for (int i = 0; i < cr.size(); i++) | ~~^~~~~~~~~~~ main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (int i = 1; i <= lr.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:108:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for (int j = 1; j <= cr.size(); j++) | ~~^~~~~~~~~~~~ main.cpp:126:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for (int i = 1; i <= lr.size(); i++) | ~~^~~~~~~~~~~~ main.cpp:128:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | for (int j = 1; j <= cr.size(); j++) | ~~^~~~~~~~~~~~