vector 两个元素相加

Author: zhang-xh95

twosum.cpp

@@ -0,0 +1,16 @@
+vector<int> twoSum(vector<int>& nums, int target) {
+    vector<int> twoSum(vector<int>& nums, int target) {
+    vector<int> res;
+    vector<int>::iterator start=nums.begin();
+    vector<int>::iterator it;
+    for(it=nums.begin();it!=nums.end();++it){
+        vector<int>::iterator b=find(it+1,nums.end(),target-(*it));
+        if((b!=nums.end())&&(b!=it)){
+            res.push_back(distance(start,it));
+            res.push_back(distance(start,b));
+            break;
+        }
+    }
+    return res;    
+    }
+}