Compilare: main.cpp: In function 'int main()': main.cpp:30:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for ( i = 0; i < a.size(); i++ ) { | ~~^~~~~~~~~~ main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for ( i = 0; i < b.size(); i++ ) { | ~~^~~~~~~~~~ main.cpp:23:42: warning: unused variable 'cntdusmani' [-Wunused-variable] 23 | long long n, s, k1, k2, i, cnt, ans, cntdusmani, cnt2; | ^~~~~~~~~~