/in/foo.cc: In function 'int main()':
/in/foo.cc:18:36: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations]
   18 |                 ans += (h+60 >= a[i]);
      |                                 ~~~^
/in/foo.cc:17:25: note: within this loop
   17 |         for(int i = 1;i <= 10;i++){
      |                       ~~^~~~~