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  1. #include <stdio.h> 
  2.  
  3. int main(void) { 
  4.  
  5.     /* int numbers[13] = {1, 15, 7, 3, 8, 8, 19, 5, 12, 8, 2, 6, 8}; */
  6.     int numbers[13] = {1, 15, 8, 8, 8, 8, 7, 3, 19, 5, 12, 2, 6};
  7.  
  8.     int counter = 1;
  9.     int index = 0;
  10.     int prev, next;
  11.     int length = sizeof(numbers)/sizeof(int);
  12.  
  13.     if (length > 0) { 
  14.         prev = numbers[index++];
  15.     }
  16.  
  17.     while (index < length && counter < 4) {
  18.         next = numbers[index++];
  19.         if (prev == next) counter++;
  20.         else {
  21.             counter = 1;
  22.             prev = next;
  23.         }
  24.     }
  25.  
  26.     if (counter == 4) 
  27.         printf("Found four times repeated number");
  28.     else 
  29.        printf("No four times repeated number found");
  30.  
  31.     return 0;
  32.  
  33. }
Success #stdin #stdout 0.01s 1676KB
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Found four times repeated number
https://ideone.com/aaCrrg
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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