Compilare: main.cpp: In function 'int main()': main.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (int i = 0; i < a.size(); ++ i) | ~~^~~~~~~~~~ main.cpp:37:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int i = 0; i < b.size(); ++i) | ~~^~~~~~~~~~ main.cpp:53:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 53 | for (int i = 1; i <= n; ++i) | ^~~ main.cpp:56:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 56 | int ans = 0; | ^~~