Compilare: main.cpp: In function 'void solve()': main.cpp:46:11: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(z[i] == a.size()){ main.cpp:56:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 56 | for(int i = 0; i<m; i++) cout << ans[i] << " "; cout << "\n"; | ^~~ main.cpp:56:50: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 56 | for(int i = 0; i<m; i++) cout << ans[i] << " "; cout << "\n"; | ^~~~