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  1. //Q64. Find the digit that occurs the most times in an integer number.
  2. #include <stdio.h>
  3. int main() {
  4.     int n, d, f[10]={0}, i, max=0, ans=0;
  5.     scanf("%d",&n);
  6.     while(n){
  7.         d=n%10;
  8.         f[d]++;
  9.         n/=10;
  10.     }
  11.     for(i=0;i<10;i++)
  12.         if(f[i]>max){ max=f[i]; ans=i; }
  13.     printf("%d", ans);
  14. }
  15.  
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/n2BU0b
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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