
#include <stdio.h>
#include <stdlib.h>
void main()
{
int i,m=0
printf("请毁盯输入一个数\n")
scanf("%d",&i)
printf("%c\n",i)
system("pause")
}
#include<iostream>
#include<cstdio>
using namespace std
int main()
{
float n
float sumz=0,sumf=0
int gz=0,gf=0
do{
scanf("%f",&n)
if(n>0)
{
gz++
sumz+=n
}
if(n<0)
{
gf++
sumf+=n
}
if(n==0)
break
}while(n!=0) 缺枣 伏巧拆 //此行往下有更改
cout<<"正数个数="printf("%d\n",gz)
cout<<"负数个数="printf("%d\n",gf)
cout<<"正数和="printf("%.3f\n",sumz)
cout<宽灶<"负数和="printf("%.3f\n",sumf)
return 0
}
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