Compilare: main.cpp: In function 'int main()': main.cpp:102:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Query>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int i = 0; i < query.size(); i ++) { | ~~^~~~~~~~~~~~~~ main.cpp:105:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long unsigned int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | while(pos < v.size() and v[pos].first < query[i].val) | ~~~~^~~~~~~~~~ main.cpp:111:17: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 111 | if(sol2 != -1) | ~~~~~^~~~~ main.cpp:115:17: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 115 | if(sol3 != -1) | ~~~~~^~~~~