Compilare: main.cpp: In function 'int main()': main.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int i=0; i<v.size(); i++) | ~^~~~~~~~~ main.cpp:45:24: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 45 | if(v.size()<k) | ~~~~~~~~^~ main.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int i=0; i<v.size(); i++) | ~^~~~~~~~~ main.cpp:65:23: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 65 | while(v.size()<k) | ~~~~~~~~^~