leetcode new problems

leetcode/lc3010/MinCostArray.cpp

@@ -0,0 +1,15 @@
+class Solution {
+public:
+    int minimumCost(vector<int>& nums) {
+        int min1 = 100, min2 = 100;
+        int n = nums.size();
+        for(int i = 1;i<n;i++){
+            if(nums[i]<min1){
+                min2 = min1;
+                min1 = nums[i];
+            }else if(nums[i]<min2)
+                    min2 = nums[i];
+        }
+        return nums[0] + min1 + min2;
+    }
+};