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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main()
  5. {
  6.   int n, cnt = 0, i;
  7.   char s[30];
  8.   printf("n = ");
  9.   scanf("%d", &n);
  10.   for ( i = 1; i <= n; ++i) {
  11.     sprintf(s, "%d", i);
  12.     cnt += (strchr(s, '3') == NULL) && (strchr(s, '5') == NULL);
  13.   }
  14.   printf("%d\n", cnt);
  15.   return 0;
  16. }
Success #stdin #stdout 0.01s 1724KB
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stdin
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40
stdout
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n = 24
https://ideone.com/NYodZy
language:
C (gcc 8.3)
created:
13 years ago
visibility:
secret

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