foo.cc: In function ‘int main()’:
foo.cc:10:17: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   10 |                 if(a%i==0)
      |                 ^~
foo.cc:12:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   12 |                         flag=0;
      |                         ^~~~