Compilare: main.cpp: In function 'int searchSol(int, int)': main.cpp:18:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i = 0;i < sol[group].size();i++){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'll solve(ll)': main.cpp:41:14: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 41 | if(c & 1 == 1){ | ~~^~~~