338. Counting Bits
class Solution {
public int[] countBits(int n) {
int[] ans = new int[n+1];
for(int i=1; i<=n; i++){
ans[i]=ans[i/2]+i%2;
}
return ans;
}
}
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class Solution {
public int[] countBits(int n) {
int[] ans = new int[n+1];
for(int i=1; i<=n; i++){
ans[i]=ans[i/2]+i%2;
}
return ans;
}
}
Last updated
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