mirror of
https://github.com/halfrost/LeetCode-Go.git
synced 2025-07-08 10:24:58 +08:00
25 lines
453 B
Go
25 lines
453 B
Go
package leetcode
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func toHex(num int) string {
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if num == 0 {
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return "0"
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}
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if num < 0 {
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num += 1 << 32
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}
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mp := map[int]string{
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0: "0", 1: "1", 2: "2", 3: "3", 4: "4", 5: "5", 6: "6", 7: "7", 8: "8", 9: "9",
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10: "a", 11: "b", 12: "c", 13: "d", 14: "e", 15: "f",
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}
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var bitArr []string
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for num > 0 {
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bitArr = append(bitArr, mp[num%16])
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num /= 16
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}
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str := ""
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for i := len(bitArr) - 1; i >= 0; i-- {
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str += bitArr[i]
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}
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return str
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}
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