#include <stdio.h> int main() { int n = 0, num = 0; scanf("%d", &n); scanf("%d", &num); int max = num, min = num;//第一个数给max和min赋初值 n -= 1;//已经赋值一次,还剩下n-1个数 while(n > 0) { scanf("%d", &num);//找到最大值、最小值 if (max < num) { max = num; } //求最小 if (min > num) { min = num; } n--; } //求最大差 printf("%d", max - min); return 0; }