Compilare: main.cpp: In function 'void solve(long long int, long long int)': main.cpp:83:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(ll i = 0 ; i < A.size() ; i++) | ~~^~~~~~~~~~ main.cpp:88:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for(ll i = 0 ; i < A.size() ; i++) | ~~^~~~~~~~~~ main.cpp:108:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(ll i = 0 ; i < A.size() ; i++) | ~~^~~~~~~~~~