/in/foo.c: In function 'main':
/in/foo.c:19:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int j=0;j<i;j++)
     ^~~
/in/foo.c:21:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
  sort2(c,i);
  ^~~~~