Compilare: main.cpp: In function 'void solution()': main.cpp:53:23: warning: comparison of integer expressions of different signedness: 'std::vector<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 53 | if(sir.size() >= K) | ~~~~~~~~~~~^~~~ main.cpp:76:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int j = 0; j < pos[i].size(); ++ j) | ~~^~~~~~~~~~~~~~~