Topic	Replies	Views	Activity
Magical Strings - Editorial general ipc151a , pigeonhole , union-find	7	5205	July 6, 2020
GCD on a tree - Editorial general centroid-decomposition , data-structure , ipc151a , greatest-common-divisor	5	5671	March 29, 2016
Max Subarray GCD - Editorial editorial binary-search , easy-medium , editorial , ipc151a , ipcquestion , greatest-common-divisor	21	11267	January 16, 2016
Subarray Sum - Editorial general ipc151a , maths , pigeonhole	1	4181	December 4, 2015
Poker Chips - Editorial general brute-force , cakewalk , ipc151a	3	2214	December 2, 2015
Alternating Colored Paths - Editorial general counting-sort , depth-first-search , easy , ipc151a	2	2159	November 28, 2015
Shinigami and Apples - Editorial editorial dynamic-programming , editorial , ipc151a , ipcquestion , maths	2	2389	November 27, 2015
Count Permutations - Editorial editorial combinatorics , editorial , ipc151a , recursion	1	2166	November 27, 2015
Acyclic Graph- Editorial editorial bipartite , editorial , graphs , ipc151a , ipcquestion	1	2115	November 26, 2015
Maximum Magic Walk - Editorial editorial depth-first-search , dynamic-programming , editorial , graphs , ipc151a , ipcquestion	0	2745	November 25, 2015

ipc151a