Compilare: main.cpp: In function 'int main()': main.cpp:48:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for (int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:53:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for (int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:88:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for (int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:93:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long unsigned int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for (int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~