Commit d17467a

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Merge pull request #32 from limbowandering/master

add javascript solutions

2 parents 4a8e17a + a525ec3 commit d17467aCopy full SHA for d17467a

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+37

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Lines changed: 11 additions & 0 deletions

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`@@ -0,0 +1,11 @@`
	`1`	`+const twoSum = function(nums, target) {`
	`2`	`+ const map = {};`
	`3`	`+`
	`4`	`+ for (let i = 0; i < nums.length; i++) {`
	`5`	`+ if (map[nums[i]] !== undefined) {`
	`6`	`+ return [map[nums[i]], i]`
	`7`	`+ } else {`
	`8`	`+ map[target - nums[i]] = i`
	`9`	`+ }`
	`10`	`+ }`
	`11`	`+};`

Lines changed: 15 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,15 @@`
	`1`	`+const reverse1 = function(x){`
	`2`	`+ let s = String(x);`
	`3`	`+ let isNegative = false;`
	`4`	`+ if(s[0] === '-'){`
	`5`	`+ isNegative = true;`
	`6`	`+ }`
	`7`	`+ s = parseInt(s.split('').reverse().join(''));`
	`8`	`+ return isNegative ? (s > Math.pow(2,31) ? 0 : -s) : (s > Math.pow(2,31) - 1 ? 0 : s);`
	`9`	`+}`
	`10`	`+`
	`11`	`+const reverse = function(x){`
	`12`	`+ let result = parseInt(x.toString().split('').reverse().join(''));`
	`13`	`+ if(result > Math.pow(2,31) - 1 \|\| -result < Math.pow(-2,31)) return 0;`
	`14`	`+ return x > 0 ? result: -result;`
	`15`	`+}`

Lines changed: 11 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,11 @@`
	`1`	`+const longestCommonPrefix = function(strs){`
	`2`	`+ if(strs.length === 0) return '';`
	`3`	`+ for(let j = 0; j < strs[0].length; j++){`
	`4`	`+ for(let i = 0; i < strs.length; i++){`
	`5`	`+ if(strs[0][j] !== strs[i][j]){`
	`6`	`+ return strs[0].substring(0,j);`
	`7`	`+ }`
	`8`	`+ }`
	`9`	`+ }`
	`10`	`+ return strs[0];`
	`11`	`+}`

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