https://open.kattis.com/contests/qnn232
https://open.kattis.com/contests/mhte95
https://open.kattis.com/contests/vvudj2
https://open.kattis.com/contests/xa6zd6
https://open.kattis.com/contests/ygeivt
https://open.kattis.com/contests/dx2st7
https://open.kattis.com/contests/tqy8r7
https://open.kattis.com/contests/cjdirn
https://open.kattis.com/contests/rco55q
https://open.kattis.com/contests/jmnt9y
https://open.kattis.com/contests/g6fh4j
https://open.kattis.com/contests/cednai
https://open.kattis.com/contests/epd9hn
https://open.kattis.com/contests/zudndk
https://open.kattis.com/contests/vyrg4n
https://open.kattis.com/contests/m6zwo9
https://open.kattis.com/contests/bh79mt
https://open.kattis.com/contests/fwdgdq
https://open.kattis.com/contests/naeru5
https://open.kattis.com/contests/tfpfs9