C语言求1到20的阶乘之和

#include<stdio.h>int main(){int i, j;long long sum = 0, jieCheng;for (i = 1; i <= 20; i++){jieCheng = 1;for (j = 1; j <= i; j++){jieCheng *= j;}sum += jieCheng;}printf("%lld", sum);return

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问答

Roozen

24292人浏览 · 2021-11-06 12:13:02

Roozen · 2021-11-06 12:13:02 发布

#include<stdio.h>

int main()
{
	int i, j;
	long long sum = 0, jieCheng;
	for (i = 1; i <= 20; i++)
	{
		jieCheng = 1;
		for (j = 1; j <= i; j++)
		{
			jieCheng *= j;
		}
		sum += jieCheng;
	}
	printf("%lld", sum);
	return 0;
}