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GeezerVison is showing github.com — LeetCode_algorithm/DivideTwoIntegers.java at master · rpj911/LeetCode_algorithm Expand file tree/ Copy pathDivideTwoIntegers.javaMore file actions 24 lines (20 loc) · 633 Bytes / Copy pathDivideTwoIntegers.javaFile metadata and controls24 lines (20 loc) · 633 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 package Algorithms; public class DivideTwoIntegers { public static void main(String[] args) { System.out.println(divide(-2147483648, 1)); } public static int divide(int dividend, int divisor) { long a = Math.abs((long)dividend); long b = Math.abs((long)divisor); int ret = 0; while (a >= b) { long bTmp = b; int cnt = 1; for (int i = 1; a >= bTmp; cnt <<= 1, bTmp <<= 1) { a -= bTmp; ret += cnt; } } return ((dividend > 0) ^ (divisor > 0)) ? -ret: ret; } } |
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