题解 | 最高分与最低分之差

#include <stdio.h>

int main() {
	int n = 0;
	int max = 0;
	int min = 0;
	int receive = 0;
	scanf("%d", &n);
	if (n <= 1) {
		printf("0");
		return 0;
	}
	scanf("%d %d", &max, &min);
	if (min > max) {
		min = max;
	}
	for (int i = 2; i < n; i++) {
		scanf("%d", &receive);
		if (max < receive) {
			max = receive;
		}
		if (min > receive) {
			min = receive;
		}
	}
	printf("%d", max - min);
	return 0;
}