Sicily 2593 Begin the contest with a very easy problem (难得水题)

找最值。

#include <stdio.h>int main(){int te;int n;int min;int max;int t;scanf("%d", &te);while(te--){scanf("%d", &n);scanf("%d", &t);min = t;max = t;n--;while(n--){scanf("%d", &t);if(t > max){max = t;}if(t < min){min = t;}}printf("%d\n", max - min);}}