2-1 求整数均值

//求整数均值 #include<stdio.h>int main(int argc,char const *argv[]){int a,b,c,d;printf("请输入四个数：");scanf("%d%d%d%d",&a,&b,&c,&d);int sum;double aver;sum=a+b+c+d;aver=(a+b+c+d)/4.0;printf("sum=%d,aver=%.1f\n",sum,aver);return 0;}