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| class Solution {
public int rangeBitwiseAnd(int left, int right) {
int mask = 1 << 30;
int ans = 0;
while (mask != 0 && (left & mask) == (right & mask)) {
ans |= (left & mask);
mask >>= 1;
}
return ans;
}
}
|
References
201. Bitwise AND of Numbers Range