Title Solved Submit
Add edges to the graph
4
25
Build staircases
3
39
Make up a triangle
6
28
Even Odd grid
6
22
Find the missing number
12
39
Prefer ones than zeros
8
11
The last student (queue)
11
28
Climb the stairs
9
10
Climb the stair version 2
6
12
Sub Set Sum
1
1
Sub Set Sum Version 2
1
1
Floor Fill 1
11
20
Floor Fill 2
8
12
All possible strings
3
7
Y = Y/2
7
15
The same pairs
1
9
Stuck in a Rut
4
6
Climb the stair 2
4
6
Hedgehog Grid
1
1
Infix to Postfix
0
3
Card Game
4
5
permutation (recursion)
3
6
The number of ways (recursion)
2
9
pick up numbers (recursion)
3
4
the sum of digits ( Recursion)
0
0
shortest subarray
1
6
The battle to the enemy
4
4
Find the perfect index
1
3
Group of flowers
1
2
Distribute numbers
3
4
make up a square
6
9
Funny Game
0
2