Borderou de evaluare (job #796840)

Compilare: main.cpp: In function 'void solve()': main.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 28 | for (int i = 0; i < C.size(); ++i) | ~~^~~~~~~~~~ main.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 31 | while (l >= 0 && r < C.size() && C[l] == C[r]) | ~~^~~~~~~~~~ main.cpp:44:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 44 | while (l >= 0 && r < C.size() && C[l] == C[r]) | ~~^~~~~~~~~~