ShahOJ

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Explore competitive programming problems

60
Public Problems
94
Total Problems
228
Users

Public Problems

10 of 60 (Page 2)
Status Problem Title Difficulty Tags Author Published Views Submissions
Colour Tree #colour-tree Medium Graphs Trees
Shahnawaz Hussain Shahnawaz Hussain
Sep 24, 2025
60
1
Road Reparation #road-reparation Hard Graphs Union Find
Shahnawaz Hussain Shahnawaz Hussain
Sep 24, 2025
69
2
Tree Diameter I #tree-diameter-i Hard Trees DFS
Shahnawaz Hussain Shahnawaz Hussain
Sep 24, 2025
70
5
Tree Diameter II #tree-diameter-ii Hard Trees DFS Graph
Shahnawaz Hussain Shahnawaz Hussain
Sep 24, 2025
80
9
Tree Distance #tree-distance Hard trees dfs distance
Shahnawaz Hussain Shahnawaz Hussain
Sep 24, 2025
69
1
Partial Sum on Tree #partial-sum-on-tree Hard tree dfs path queries data structures
Shahnawaz Hussain Shahnawaz Hussain
Sep 24, 2025
72
1
Decision Vertex Cover #decision-vertex-cover Hard graph
Shahnawaz Hussain Shahnawaz Hussain
Sep 21, 2025
86
1
MINIMUM OF ARRAY #minimum-of-array Easy Array
Nitish Kumar Singh Nitish Kumar Singh
Sep 22, 2025
89
7
Maple and Tree Beauty (Hard Version) #maple-and-tree-beauty-hard-version Hard tree
Shahnawaz Hussain Shahnawaz Hussain
Sep 21, 2025
148
1
Two numbers appearing odd numbers of times #two-numbers-appearing-odd-numbers-of-times Medium bit array
Shahnawaz Hussain Shahnawaz Hussain
Sep 21, 2025
78
1