C factorial()

1 개요[ | ]

C factorial()

C

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#include <stdio.h>

long long factorial(int num) {
    if (num == 0) return 1;
    return num * factorial(num - 1);
}

int main() {
    printf("%lld\n", factorial(9));  // 362880
    printf("%lld\n", factorial(12)); // 479001600
}

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