Dealing with Integer's maximum value

  • 1

    How can the input be 2^32 when int's only go from -(2^31) to (2^31 - 1)? I understand the problem deals with unsigned ints, but my code is failing when the input is 2^31, and I think my logic is fine? How is 2^31 even allowed to be an input when int's are assumed to be signed in java?

    int count = 0;
    while(n > 0) {
         n = (n & (n-1));
    return count;

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