https://www.youtube.com/watch?v=IOKjByD5VnY코드포스 풀이방송(Codeforces Round #641 1AB 2ABCD)0:00 1350A Orac and Factors6:55 1350B Orac and Models17:34 1350C 1349A Orac and LCM 39:23 1350D 1349B Orac and Medians문제:https://codeforces.com/contest/1349https://codeforces.com/contest/1350
잘봤습니다 - dc App
div1BC 난이도 비슷한데 왜 C 풀이 안 해줌 ㅠㅠ
항상 잘보고 있습니다