BOJ 10872번 팩토리얼

• 문제링크 : https://www.acmicpc.net/problem/10872
• 제출링크 : https://www.acmicpc.net/source/19805980
• CPP소스 : https://github.com/skysign/WSAPT/blob/master/BOJ/10872%EB%B2%88%20%ED%8C%A9%ED%86%A0%EB%A6%AC%EC%96%BC/10872%EB%B2%88%20%ED%8C%A9%ED%86%A0%EB%A6%AC%EC%96%BC.cpp