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Difficulty Easy
Moderate
Hard
Ninja
Problem Title
Difficulty
Avg Time to solve
Attempted
K-th Permutation Sequence NEW
16
Moderate
15 mins
1032
Divide Array In K Sets Of Consecutive Numbers NEW
1
Moderate
15 mins
37
Ninja And The Tree NEW
2
Hard
45 mins
26
Minimum Remove to Make Valid Parentheses NEW
1
Moderate
25 mins
42
Modify BST NEW
4
Moderate
20 mins
39
Smallest divisor NEW
0
Moderate
20 mins
27
Longest Alternating Subsequence NEW
3
Moderate
15 mins
90
LRU Cache Implementation NEW
27
Moderate
25 mins
1265
Minimum insertions to make a string palindrome NEW
0
Moderate
30 mins
1871
Factorial of a Number NEW
0
Moderate
25 mins
304
Ninja’s 3D structures NEW
0
Moderate
15 mins
1
Frog Jump NEW
103
Easy
30 mins
15887
Maximum Path Sum Between Two Leaves NEW
49
Hard
50 mins
1378
Total area of overlapping rectangles NEW
6
Easy
10 mins
72
Count ROR NEW
2
Easy
20 mins
132
Hit Counter NEW
1
Moderate
15 mins
48
Reverse the first “K” elements of a queue NEW
2
Easy
20 mins
212
Collect Maximum Coins in Matrix NEW
0
Moderate
-
34
Convert Min-Heap to Max-Heap NEW
3
Moderate
26 mins
781
Internet Address NEW
5
Easy
15 mins
209
Ninja and the Storyteller NEW
0
Easy
15 mins
27
Sum Of K Smallest Elements In BST NEW
8
Easy
15 mins
331
N Stacks In An Array NEW
28
Hard
20 mins
2312
Spiral Matrix III NEW
0
Moderate
15 mins
8
K-th Smallest NEW
0
Easy
15 mins
7
K-th Permutation Sequence NEW
Moderate
16 upvotes
Divide Array In K Sets Of Consecutive Numbers NEW
Moderate
1 upvote
Ninja And The Tree NEW
Hard
2 upvotes
Minimum Remove to Make Valid Parentheses NEW
Moderate
1 upvote
Modify BST NEW
Moderate
4 upvotes
Smallest divisor NEW
Moderate
0 upvotes
Longest Alternating Subsequence NEW
Moderate
3 upvotes
LRU Cache Implementation NEW
Moderate
27 upvotes
Minimum insertions to make a string palindrome NEW
Moderate
0 upvotes
Factorial of a Number NEW
Moderate
0 upvotes
Ninja’s 3D structures NEW
Moderate
0 upvotes
Frog Jump NEW
Easy
103 upvotes
Maximum Path Sum Between Two Leaves NEW
Hard
49 upvotes
Total area of overlapping rectangles NEW
Easy
6 upvotes
Count ROR NEW
Easy
2 upvotes
Hit Counter NEW
Moderate
1 upvote
Reverse the first “K” elements of a queue NEW
Easy
2 upvotes
Collect Maximum Coins in Matrix NEW
Moderate
0 upvotes
Convert Min-Heap to Max-Heap NEW
Moderate
3 upvotes
Internet Address NEW
Easy
5 upvotes
Ninja and the Storyteller NEW
Easy
0 upvotes
Sum Of K Smallest Elements In BST NEW
Easy
8 upvotes
N Stacks In An Array NEW
Hard
28 upvotes
Spiral Matrix III NEW
Moderate
0 upvotes
K-th Smallest NEW
Easy
0 upvotes
Page of 112
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