https://open.kattis.com/contests/m5k75o
https://open.kattis.com/contests/a53fnz
https://open.kattis.com/contests/nq7sji
https://open.kattis.com/contests/hxqy3p
https://open.kattis.com/contests/usw2hm
https://open.kattis.com/contests/xyvgap
https://open.kattis.com/contests/xgegch
https://open.kattis.com/contests/mykkgd
https://open.kattis.com/contests/pgu566
https://open.kattis.com/contests/osjzcg
https://open.kattis.com/contests/yjwsbz
https://open.kattis.com/contests/ukgkxh
https://open.kattis.com/contests/mehfez
https://open.kattis.com/contests/gm8r6r
https://open.kattis.com/contests/qobuix
https://open.kattis.com/contests/fxyrix
https://open.kattis.com/contests/nddkir
https://open.kattis.com/contests/ibxun4
https://open.kattis.com/contests/mq6ngt
https://open.kattis.com/contests/gemiai
https://open.kattis.com/contests/b9p3h3
https://open.kattis.com/contests/baw7z9
https://open.kattis.com/contests/e8unof
https://open.kattis.com/contests/kvmi2p
https://open.kattis.com/contests/mqjjvg
https://open.kattis.com/contests/gg2ct5
https://open.kattis.com/contests/eun3eh
https://open.kattis.com/contests/qyeacm
https://open.kattis.com/contests/p8x67j
https://open.kattis.com/contests/dzga6b
https://open.kattis.com/contests/d64sv2
https://open.kattis.com/contests/qfpgfx
https://open.kattis.com/contests/j95f39
https://open.kattis.com/contests/ngimpv
https://open.kattis.com/contests/djckg2
https://open.kattis.com/contests/bpyv8z
https://open.kattis.com/contests/q75hoc