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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     int n, count = 0;
  5.     scanf("%d", &n);
  6.  
  7.     for (int i = 0; i < n; i++) {
  8.         int alphabet[26] = {0};
  9.         char word[100];
  10.         scanf("%s", word);
  11.  
  12.         for (int j = 0; word[j] != '\0'; j++) {
  13.             int index = word[j] - 'a';
  14.             if (alphabet[index] == 0) {
  15.                 alphabet[index] = 1;
  16.             } else {
  17.                 count++;
  18.                 break;
  19.             }
  20.         }
  21.     }
  22.  
  23.     printf("%d\n", count);
  24.  
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0s 5284KB
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stdin 
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stdout 
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https://ideone.com/z0uprC
language:
C (gcc 8.3)
created:
15 days ago
visibility:
public

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