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需要帮助呜呜呜呜
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lsee8023楼主2020/5/9 21:09
#include <stdio.h>
int fun(int N);

int main() {
	int N,i;
	long S = 0;
	printf("输入一个正整数N:");
	scanf_s("%d", &N);
	for (i = 1; i <= N; i++) {
		S = S+fun(i);
	}
	printf("S=%d\n", S);
	return 0;
}

int fun(int N) {
	int i;
	long result=1;
	for (i = 1; i <= N; i++) {
		result *= i;
	}
	return result;
}```
2020/5/9 21:09
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