Compilare: user.cpp: In function ‘int main()’: user.cpp:23:8: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(!q.empty() && v[q.back()]>=v[i]) ^~~~~ user.cpp:25:10: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ q.push_back(i); ^