#include<stdio.h>
int main()
{
int i=1,sum=0;
int n;
printf("请输入n:")
while(i<=n)
{
sum=sum=i;
i++;
}
printf("sum=%d\n",sum);
return 0;
}
#include<stdio.h>
int main()
{
int i=1,sum=0;
int n;
printf("请输入n:")
while(i<=n)
{
sum=sum=i;
i++;
}
printf("sum=%d\n",sum);
return 0;
}