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一道很簡單的求平均數的問題

一道很簡單的求平均數的問題

C
晴書 2016-12-07 20:01:50
我的程序一直報錯我是新手 大神可以幫我看看嘛
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?
Yexiaomo

TA貢獻152條經驗 獲得超157個贊

#include?<stdio.h>
int?main(){
	int?n,i,a;
	float?sum;
	while(scanf("%d",?&n)?!=?EOF?&&?n?>?0){
		sum?=?0;
		for(i?=?1;?i?<=?n;?++i){
			scanf("%d",?&a);
			sum+=a;
		}
		printf("%.2f\n",?sum/n);
	}
	return?0;
}

看著能不能通過, 過不去了, 把錯誤提示貼上來

-----

頭文件應導入: stdio.h

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