Brain booster #2 - SeriousOJ

Welcome to the coding challenge "Brain booster #2". Please click on "attend contest" option to register yourself for the contest.

Problem
#1: P1021 A. Pivot points
#2: P1025 B. GCM
#3: P1026 C. LUFA cup 2024
#4: P1036 D. Perfect subarray
#5: P1031 E. Clash of programmers
#6: P1024 F. Rearrange Character
#7: P1027 G. Right triangle
#8: P1037 H. Generous CR
#9: P1028 I. Magical box and spell
#10: P1029 J. Make it zero
#11: P1030 K. A boring train journey

Status: Done
Rule: ACM/ICPC
Problem: 11
Start at: 2024-03-06 13:00
End at: 2024-03-06 17:00
Duration: 4.0 hour(s)
Host: thakuremon
Partic.: 49