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- int sumTen(int numbers[], int length){
- unordered_map<int, bool> nums;
- for(int i = 0; i < length; i++){
- nums.insert(numbers[i], true);
- }
- for(int i = 0; i < length; i++){
- if(nums.count(10-numbers[i]) > 0){
- return true;
- }
- }
- return false;
- }
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