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Counting Bits
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Input
Example 1
Example 2
Example 3
Custom
n
=
5
0
1
2
3
4
5
0
0
0
0
0
0
algo
master
.
io
Step:
Count the 1-bits of every number from 0 to 5. Reuse earlier answers: ans[i] = ans[i & (i-1)] + 1
0 / 12
Input
Example 1
Example 2
Example 3
Custom
n
=
5
0 / 12
0
1
2
3
4
5
0
0
0
0
0
0
algo
master
.
io
Step:
Count the 1-bits of every number from 0 to 5. Reuse earlier answers: ans[i] = ans[i & (i-1)] + 1
