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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<string.h>
  4. #include<math.h>
  5.  
  6. int main(){
  7.   char *N = malloc(sizeof(char)*10000000);
  8.  
  9.   scanf("%s", N);
  10.  
  11.   int len = strlen(N);
  12.  
  13.   int arr[1000000];
  14.  
  15.   for(int i=0;i<len;i++){
  16.     arr[i] = N[i] -'0';
  17.   }
  18.  
  19.   int ans[10] = {0};
  20.   for(int i=0;i<len;i++){
  21.     ans[arr[i]]++;
  22.   }
  23.  
  24.     int count = abs(ans[9]-ans[6])/2;
  25.     int max=0;
  26.  
  27.     for(int i=0;i<10;i++){
  28.       if(max<ans[i]){
  29.         max=ans[i];
  30.       }
  31.     }
  32.     printf("%d", max-count);
  33.     free(N);
  34. }
  35.  
Success #stdin #stdout 0s 13216KB
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https://ideone.com/NzT9Q9
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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