Compilare: main.cpp: In function 'int main()': main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'std::multiset<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 72 | if(ans.size()<k1) | ~~~~~~~~~~^~~ main.cpp:94:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i=0;i<verf.size();i++) | ~^~~~~~~~~~~~ main.cpp:119:26: warning: comparison of integer expressions of different signedness: 'std::multiset<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 119 | if(ans.size()<k2) | ~~~~~~~~~~^~~ main.cpp:57:20: warning: variable 'okm' set but not used [-Wunused-but-set-variable] 57 | int mi=2e9,okm=0,pos=-1,cnt=0; | ^~~