#include <stdio.h>
int main(){
int len ;
int i = 0,sum =0;
printf("请输入求和个数:");
scanf("%d",&len);
for ( i = 0; i <= len; i++)
{
sum += i;
}
printf("%d\n",sum);
return 0;
}
#include <stdio.h>
int main(){
int len ;
int i = 0,sum =0;
printf("请输入求和个数:");
scanf("%d",&len);
for ( i = 0; i <= len; i++)
{
sum += i;
}
printf("%d\n",sum);
return 0;
}
本文标题:C 语言实例21 - 计算自然数的和
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