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Cherry Pickup
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Input
Example 1
Example 2
Example 3
Blocked Path
Mixed
Custom
grid
=
[[0,1,-1],[1,0,-1],[1,1,1]]
grid =
3x3
grid
dp[r1][r2]
0
1
X
1
0
X
1
1
1
two walkers collect cherries from corner to corner; shared cells count once
algo
master
.
io
Step:
Two walkers go top-left to bottom-right at the same time, picking cherries. Shared cells count once
0 / 18
Input
Example 1
Example 2
Example 3
Blocked Path
Mixed
Custom
grid
=
[[0,1,-1],[1,0,-1],[1,1,1]]
0 / 18
grid =
3x3
grid
dp[r1][r2]
0
1
X
1
0
X
1
1
1
two walkers collect cherries from corner to corner; shared cells count once
algo
master
.
io
Step:
Two walkers go top-left to bottom-right at the same time, picking cherries. Shared cells count once
