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MBrendecke

Check equal exists in array

Mar 27th, 2016
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C 0.40 KB | None | 0 0
  1. #include <stdbool.h>
  2. bool ExistEqual(int[] arr, size_t arr_size) {
  3.   if (arr_size > 1) {
  4.     for (int i = 0; i < arr_size - 1; i++) {
  5.       for (int j = i + 1; j < arr_size; j++) {
  6.         if (arr[i] == arr[j]) {
  7.           return true;
  8.         }
  9.       }
  10.     }
  11.   }
  12.   return false;
  13. }
  14.  
  15. int main() {
  16.   int arr[5] = {1, 2, 3, 4, 1 };
  17.   bool exist = ExistEqual(arr, sizeof(arr) / sizeof(int));
  18. }
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