/in/foo.cc: In function 'int main()':
/in/foo.cc:12:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int i=1;i<=m;i++)
     ^~~
/in/foo.cc:18:6: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
      sort(c+1,c+n+1);
      ^~~~