添加40.组合总和IIJavaScript版本

This commit is contained in:
qingyi.liu
2021-06-05 18:44:08 +08:00
parent d6955ebf03
commit ece55fe7ef

View File

@ -293,7 +293,7 @@ class Solution {
}
```
Python
```python3
```py
class Solution:
def combinationSum2(self, candidates: List[int], target: int) -> List[List[int]]:
res = []
@ -314,7 +314,39 @@ class Solution:
```
Go
javaScript
```js
/**
* @param {number[]} candidates
* @param {number} target
* @return {number[][]}
*/
var combinationSum2 = function(candidates, target) {
const res = []; path = [], len = candidates.length;
candidates.sort();
backtracking(0, 0);
return res;
function backtracking(sum, i) {
if (sum > target) return;
if (sum === target) {
res.push(Array.from(path));
return;
}
let f = -1;
for(let j = i; j < len; j++) {
const n = candidates[j];
if(n > target - sum || n === f) continue;
path.push(n);
sum += n;
f = n;
backtracking(sum, j + 1);
path.pop();
sum -= n;
}
}
};
```
-----------------------