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CATEGORY.md
src
- 39-combination-sum
  - index.js
- 4-median-of-two-sorted-arrays
  - 20210603.js

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-20

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`@@ -76,10 +76,47 @@ https://garciparedes.me/#headers`
`76`	`76`	`- [ ] 264`
`77`	`77`	`- [ ] 279`
`78`	`78`	`- [ ] 300`
`79`		`- - [ ] 303`
`80`	`79`	`- [ ] 309`
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`83`	`82`	`- [ ] 343`
`84`	`83`	`- [ ] 357`
`85`	`84`	`- [ ] 376`
	`85`	`+`
	`86`	`+- 数组`
	`87`	`+`
	`88`	`+ - [x] 4`
	`89`	`+ - [x] 11`
	`90`	`+ - [ ] 15`
	`91`	`+ - [x] 16`
	`92`	`+ - [ ] 18`
	`93`	`+ - [x] 26`
	`94`	`+ - [x] 27`
	`95`	`+ - [x] 34`
	`96`	`+ - [x] 35`
	`97`	`+ - [ ] 39`
	`98`	`+ - [ ] 40`
	`99`	`+ - [ ] 42`
	`100`	`+ - [ ] 45`
	`101`	`+ - [ ] 48`
	`102`	`+ - [ ] 53`
	`103`	`+ - [ ] 55`
	`104`	`+ - [ ] 56`
	`105`	`+ - [ ] 59`
	`106`	`+ - [ ] 62`
	`107`	`+ - [ ] 64`
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	`109`	`+ - [ ] 73`
	`110`	`+ - [ ] 75`
	`111`	`+ - [ ] 78`
	`112`	`+ - [ ] 80`
	`113`	`+ - [ ] 88`
	`114`	`+ - [ ] 90`
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	`116`	`+ - [ ] 119`
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Lines changed: 20 additions & 19 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,23 +1,24 @@`
`1`		`-// HELP:`
`2`		`-// backtracking`
`3`		`-`
`4`		`-export const combinationSum = (candidates, target) => {`
`5`		`- let res = [];`
`6`		`- backtracking(res, [], candidates, target, 0);`
	`1`	`+/**`
	`2`	`+ * @param {number[]} candidates`
	`3`	`+ * @param {number} target`
	`4`	`+ * @return {number[][]}`
	`5`	`+ */`
	`6`	`+var combinationSum = function (candidates, target) {`
	`7`	`+ const res = [];`
	`8`	`+ dfs(target, [], 0);`
`7`	`9`	`return res;`
`8`		`-};`
`9`	`10`
`10`		`-function backtracking(res,temp,candidates,target,start) {`
`11`		`- if (target === 0)res.push(temp.slice());`
`12`		`- if(target>0){`
`13`		`- for(leti=start;i<candidates.length;i++){`
`14`		`- backtracking(`
`15`		`- res,`
`16`		`- [...temp,candidates[i]],`
`17`		`- candidates,`
`18`		`- target-candidates[i],`
`19`		`- i,`
`20`		`- );`
	`11`	`+function dfs(target,combine,index) {`
	`12`	`+ if (index === candidates.length){`
	`13`	`+ return;`
	`14`	`+ }`
	`15`	`+ if(target===0){`
	`16`	`+ res.push(combine);`
	`17`	`+ return;`
	`18`	`+ }`
	`19`	`+ dfs(target,combine,index+1);`
	`20`	`+ if(target-candidates[index]>=0){`
	`21`	`+ dfs(target-candidates[index],[...combine,candidates[index]],index);`
`21`	`22`	`}`
`22`	`23`	`}`
`23`		`-}`
	`24`	`+};`

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`@@ -0,0 +1,38 @@`
	`1`	`+/**`
	`2`	`+ * @param {number[]} nums1`
	`3`	`+ * @param {number[]} nums2`
	`4`	`+ * @return {number}`
	`5`	`+ */`
	`6`	`+var findMedianSortedArrays = function (nums1, nums2) {`
	`7`	`+ const len = nums1.length + nums2.length;`
	`8`	`+ if (len === 1) {`
	`9`	`+ return ~~nums1[0] + ~~nums2[0];`
	`10`	`+ }`
	`11`	`+ const start = Math.floor(len / 2);`
	`12`	`+ let count = 0;`
	`13`	`+ const res = [];`
	`14`	`+`
	`15`	`+ while (nums1.length > 0 \|\| nums2.length > 0) {`
	`16`	`+ let temp;`
	`17`	`+ if (nums1.length > 0 && nums2.length > 0) {`
	`18`	`+ if (nums1[0] < nums2[0]) {`
	`19`	`+ temp = nums1.shift();`
	`20`	`+ } else {`
	`21`	`+ temp = nums2.shift();`
	`22`	`+ }`
	`23`	`+ } else {`
	`24`	`+ temp = nums1.shift();`
	`25`	`+ temp = temp !== undefined ? temp : nums2.shift();`
	`26`	`+ }`
	`27`	`+`
	`28`	`+ if (count === start - 1 \|\| count === start) {`
	`29`	`+ res.push(temp);`
	`30`	`+ }`
	`31`	`+`
	`32`	`+ if (res.length === 2) {`
	`33`	`+ return len % 2 === 1 ? res[1] : (res[0] + res[1]) / 2;`
	`34`	`+ }`
	`35`	`+`
	`36`	`+ count++;`
	`37`	`+ }`
	`38`	`+};`

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