Imporant Note: D was correct! Hi I'm catupper(かつっぱ) I usually take live comentary videos in Japanese. This time I took the viedo in English for those who don't understand Japanese. Please Enjoy! Jump/my submission Problem A 00:35 https://atcoder.jp/contests/abc156/su... Problem B 03:30 https://atcoder.jp/contests/abc156/su... Problem C 07:40 https://atcoder.jp/contests/abc156/su... Problem D 11:30 https://atcoder.jp/contests/abc156/su... And,,, don't forget for subscribe ;). ※ For some reason, I was late for this contest. I had only 40 minutes for 100 minutes contest. In this video I only solved problem A,B,C and D. #かつっぱ#競技プログラミング#AtCoder#ABC