Compilare: main.cpp: In function 'int main()': main.cpp:61:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::bitset<101> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i = 0; i < pair.second.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:63:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::bitset<101> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int j = i; j < pair.second.size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~