PAT IO-03 整数均值

 1 /*
 2 *PAT IO-02 整数四则运算
 3 *2015.7.30
 4 *作者:flx413
 5 */
 6
 7 #include<stdio.h>
 8 int main()
 9 {
10     int a[4], sum;
11     float average;
12     scanf("%d%d%d%d", &a[0], &a[1], &a[2], &a[3]);
13     sum = a[0] + a[1] + a[2] + a[3];
14     average = sum / 4.0;
15     printf("Sum = %d; Average = %.1f", sum, average);
16     return 0;
17 }