Compilare: user.cpp: In function ‘int main()’: user.cpp:11:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ user.cpp:13:8: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ for(int i=1;i<=n;i++) ^~~ user.cpp:14:18: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(fi[i]=i) ^