165. 階乘計算
user_6817964
c_cpp
3 years ago
199 B
4
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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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; }