13518554010

Committed 25 Feb 2025 10:01AM UTC coverage: 96.565% (-0.2%) from 96.788%

Build # 13518554010

Build Type

push

github

Committed by

fxss5201

Commit Message

feat: add 8. 字符串转换整数 (atoi)

Run Details

847 of 908 branches covered (93.28%)

Branch coverage included in aggregate %.

58 of 66 new or added lines in 2 files covered. (87.88%)

3117 of 3197 relevant lines covered (97.5%)

5.1 hits per line

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86.05

/src/leetcode/stringToIntegerAtoi/typescript.ts

// 8. 字符串转换整数 (atoi)：https://leetcode.cn/problems/string-to-integer-atoi/
// 输入：" -042"
// 输出：-42

export function stringToIntegerAtoi (s: string): number {
  let res = 0
  let sign = 1
  let i = 0
  const len = s.length
  while (i < len && s[i] === ' ') {
    i++
  }
  if (i < len && s[i] === '-') {
    sign = -1
    i++
  }
  if (i < len && s[i] === '+') {
    if (sign === -1) return 0
    i++
  }
  while (i < len && s[i] >= '0' && s[i] <= '9') {
    res = res * 10 + Number(s[i])
    i++
  }
  res = res * sign
  const intMax = 2 ** 31 - 1
  if (res > intMax) {
    return intMax
  }
  const intMin = -(2 ** 31)
  if (res < intMin) {
    return intMin
  }
  return res
}

1	// 8. 字符串转换整数 (atoi)：https://leetcode.cn/problems/string-to-integer-atoi/
2	// 输入：" -042"
3	// 输出：-42
4
5	export function stringToIntegerAtoi (s: string): number {	1✔
6	let res = 0	7✔
7	let sign = 1	7✔
8	let i = 0	7✔
9	const len = s.length	7✔
10	while (i < len && s[i] === ' ') {	7✔
11	i++	1✔
12	}	1✔
13	if (i < len && s[i] === '-') {	7✔
14	sign = -1	2✔
15	i++	2✔
16	}	2✔
17	if (i < len && s[i] === '+') {	7✔
18	if (sign === -1) return 0	2✔
19	i++	1✔
20	}	1✔
21	while (i < len && s[i] >= '0' && s[i] <= '9') {	7✔
22	res = res * 10 + Number(s[i])	12✔
23	i++	12✔
24	}	12✔
25	res = res * sign	6✔
26	const intMax = 2 ** 31 - 1	6✔
27	if (res > intMax) {	7!
NEW 28	return intMax	×
NEW 29	}	✔
30	const intMin = -(2 ** 31)	6✔
31	if (res < intMin) {	7!
NEW 32	return intMin	×
NEW 33	}	✔
34	return res	6✔
35	}	6✔

fxss5201 / fxss-leetcode / 13518554010

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