/in/foo.cc: In function 'int main()':
/in/foo.cc:10:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(int x=1;x<=2*n-1-(i-1)*2;x++)
   ^~~
/in/foo.cc:12:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    cout<<endl;
    ^~~~