Divide Two Integers
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Divide two integers without using multiplication, division and mod operator.
public class Solution { public int divide(int dividend, int divisor) { int sign = 1; if (dividend < 0) { sign *= -1; } if (divisor < 0) { sign *= -1; } long big = Math.abs((long) dividend); long small = Math.abs((long) divisor); long temp = small; long midres = 1; while (temp < big) { temp <<= 1; midres <<= 1; } int ret = 0; while (temp >= small) { while (big >= temp) { big -= temp; ret += midres; } temp >>= 1; midres >>= 1; } return ret * sign; }} 0 0
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