Codechef Starters 181
時系列順のACコード 魚拓済 https://megalodon.jp/
https://www.codechef.com/viewsolution/1150858728
https://www.codechef.com/viewsolution/1150867071

https://www.codechef.com/viewsolution/1150951411

https://www.codechef.com/viewsolution/1150980393
https://www.codechef.com/viewsolution/1151001767