leetcode之twosum

 1 class Solution {
 2 public:
 3     vector<int> twoSum(vector<int>& nums, int target) {
 4         vector<int>result;
 5         int i,j,k;
 6         map<int,int>h;
 7         for(i=0;i<nums.size();i++) {
 8             if(!h.count(nums[i]))
 9             h[nums[i]]=i+1;
10             k=h[target-nums[i]];
11             if(k>0&&k!=i+1) {
12                 result.push_back(k-1);
13                 result.push_back(i);
14                 break;
15             }
16         } 
17         return result;
18         
19     }
20 };
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原文地址：https://www.cnblogs.com/thefirstfeeling/p/5573238.html