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Merged
merged 2 commits into from
Oct 8, 2023
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[pull] master from youngyangyang04:master #360

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e68557e
修正0001.两数之和dart
w830207 Oct 3, 2023
2d57993
Merge pull request #2291 from w830207/master
youngyangyang04 Oct 8, 2023
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20 changes: 11 additions & 9 deletions problems/0001.两数之和.md
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Original file line number Diff line number Diff line change
Expand Up @@ -402,16 +402,18 @@ public class Solution {
### Dart:

```dart
List<int> twoSum(List<int> nums, int target) {
var tmp = [];
for (var i = 0; i < nums.length; i++) {
var rest = target - nums[i];
if(tmp.contains(rest)){
return [tmp.indexOf(rest), i];
}
tmp.add(nums[i]);
import 'dart:collection';

List<int> twoSum(List<int> nums, int target) {
HashMap<int, int> hashMap = HashMap();
for (int i = 0; i < nums.length; i++) {
int rest = target - nums[i];
if (hashMap.containsKey(rest)) {
return [hashMap[rest]!, i];
}
return [0 , 0];
hashMap.addEntries({nums[i]: i}.entries);
}
return [];
}
```

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