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  1. #include<stdio.h>
  2. int main(){
  3.     int sum,count=0;
  4.     scanf("%d",&sum);
  5.     int arr[]={1000,500,100,50,20,10,5,2,1};
  6.     int n=sizeof(arr)/sizeof(arr[0]);
  7.     for(int i=0;i<n;i++){
  8.         if(sum>=arr[i]){
  9.             count++;
  10.             sum=sum-arr[i];
  11.         }
  12.     }
  13.     printf("%d",count);
  14. }
  15.  
Success #stdin #stdout 0.01s 5316KB
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https://ideone.com/ZpMwAj
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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