Compilare: main.cpp: In function 'int main()': main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp:62:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | while (i < v.size() - 1 && v[i] == v[i+1]) i++; | ~~^~~~~~~~~~~~~~ main.cpp:91:26: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 91 | if (s.size() <= m) | ~~~~~~~~~^~~~ main.cpp:100:35: warning: comparison of integer expressions of different signedness: 'std::stack<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 100 | while (mx && s.size() <= m) | ~~~~~~~~~^~~~