Compilare: main.cpp: In function 'int main()': main.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i = 0; i < blocuri.size(); i++){ | ~~^~~~~~~~~~~~~~~~ main.cpp:79:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 79 | for (int j = 0; j < blocuri.size(); j++) { | ~~^~~~~~~~~~~~~~~~ main.cpp:91:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int i = 0; i < blocuri.size(); i++){ | ~~^~~~~~~~~~~~~~~~