Compilare: user.cpp: In function ‘int main()’: user.cpp:26:9: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(a[j]!=a[i]&&j>0) ^~~~~ user.cpp:28:12: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ if(a[j]==a[i]) p[i]=j+1; ^~