Compilare: main.cpp: In function 'void solve()': main.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i = 0; i<c.size(); i++) cout << a[c[i]] << " "; cout << "\n"; | ~^~~~~~~~~ main.cpp:72:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 72 | for(int i = 0; i<c.size(); i++) cout << a[c[i]] << " "; cout << "\n"; | ^~~ main.cpp:72:58: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 72 | for(int i = 0; i<c.size(); i++) cout << a[c[i]] << " "; cout << "\n"; | ^~~~