题解 | #n的阶乘#
n的阶乘
https://www.nowcoder.com/practice/97be22ee50b14cccad2787998ca628c8
#include "cstdio"
int main() {
int n;
scanf("%d", &n);
long long result = 1;
while (n > 0) {
result *= n;
--n;
}
printf("%lld", result);
return 0;
}
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