foo.c: In function 'main':
foo.c:8:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&h);
  ^~~~~~~~~~~~~~~~~~~~
foo.c:10:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&hight,&weight);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.c:9:18: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for(int i ;i<n;i++){
                 ~^~

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