题解 | 序列中整数去重

#include <stdio.h>

int main() {
	int arr[30] = { 0 };
	int n = 0;
	int count = 0;
	scanf("%d", &n);
	for (int i = 0; i < n; i++) {
		scanf("%d", &arr[i]);
	}
	for (int i = 0; i < n; i++) {
        count = 0;
		for (int j = 0; j < i; j++) {
			if (arr[j] == arr[i]) {
				count++;
			}
		}
		if (count < 1) {
			printf("%d ", arr[i]);
		}
	}
	return 0;
}