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- #include <stdbool.h>
- bool ExistEqual(int[] arr, size_t arr_size) {
- if (arr_size > 1) {
- for (int i = 0; i < arr_size - 1; i++) {
- for (int j = i + 1; j < arr_size; j++) {
- if (arr[i] == arr[j]) {
- return true;
- }
- }
- }
- }
- return false;
- }
- int main() {
- int arr[5] = {1, 2, 3, 4, 1 };
- bool exist = ExistEqual(arr, sizeof(arr) / sizeof(int));
- }
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