165. 階乘計算
user_6817964
c_cpp
3 years ago
199 B
7
Indexable
int fac(int n);
int fac(int n) {
if (n == 1) {
return 1;
}
else {
return n * fac(n - 1);
}
}
int main() {
int n;
scanf("%d", &n);
printf("%d", fac(n));
return 0;
}
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