Brain Booster #9

Please click on attend contest to confirm registration.

Codeforces Blog announcement : Contest Announcement

Problem
#1: P1187 Ticket Battle: Hridoy vs Kamona
#2: P1186 Equal to X
#3: P1190 Segment Strength
#4: P1184 The Curious Kid and the Number Game
#5: P1180 Maximum Divisor
#6: P1169 Thakur vs Roy again
#7: P1183 The Sorcerer’s Subsequence Sum
#8: P1188 The Mysty Lock
#9: P1185 Segment

Problem