/in/foo.c: In function 'main':
/in/foo.c:13:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for(int i=1;i<=k;i++)
         ^~~
/in/foo.c:15:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
             k--;
             ^