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Minimize_xor.java #119

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28 changes: 28 additions & 0 deletions 2429. Minimize XOR
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
class Solution {
public int minimizeXor(int num1, int num2) {
if(num1 == num2) return num1;

int bit = Integer.bitCount(num2);

int ans = 0;

for(int i=31;i>=0;i--) {
int currBit = (num1 >> i) & 1;
if(currBit == 1 && bit > 0) {
ans |= (1 << i);
bit--;
}
}

// if bits to set are remaining, set the `LSB`
for(int i=0;i<32;i++) {
if(bit == 0) break;
int currBit = (ans >> i) & 1;
if(currBit != 1) {
ans |= (1 << i);
bit--;
}
}
return ans;
}
}