ZJdog @ 2024-02-25 12:36:50
#include <stdio.h>
int main() {
long long int n, s = 0;
long long int f[100];
scanf("%lld", &n);
int fac = 1;
for (int i = 1; i <= n; i++) {
f[i] = fac *= i;
}
for (int j = 1; j <= n; j++) {
s += f[j];
}
printf("%lld", s);
return 0;
}
by Axolotl_awa @ 2024-02-25 12:41:23
@ZJdog 要高精度,光long long是不行的
by Axolotl_awa @ 2024-02-25 12:42:14
@ZJdog 可以去看看题解(不是让你抄
by Rindong @ 2024-02-25 21:13:12
需要实现高精度大整数哦,使用longlong还是会越标的
by ZJdog @ 2024-02-28 09:21:49
谢谢大佬们!!
by PYM20111102 @ 2024-03-20 21:04:31
@ZJdog 那个程序早爆了!