Compilare: main.cpp: In function 'int main()': main.cpp:21:5: warning: this 'while' clause does not guard... [-Wmisleading-indentation] 21 | while (!st.empty()) | ^~~~~ main.cpp:23:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while' 23 | for(int i=n-1;i>=0;i--){ | ^~~ main.cpp:10:11: warning: unused variable 'x' [-Wunused-variable] 10 | int n,x; | ^