Brain Booster #8

Update 1 : 15 minutes extended.

Please click on attend contest to confirm registration.

Codeforces Blog announcement : Contest Announcement

Problem
#1: P1108 Triangle Triangle Triangle!!!
#2: P1132 Festivity Frenzy!
#3: P1159 Binary String
#4: P1164 Simple character matching game
#5: P1163 Roy and Array Construction
#6: P1160 Max path sum (Easy Version)
#7: P1161 Max path sum (Hard Version)
#8: P1162 Roy and Maximum Partition

Problem