adding one more leetcode problem

leetcode/p977_sortedsquare.cpp

@@ -0,0 +1,13 @@
+class Solution {
+public:
+    vector<int> sortedSquares(vector<int>& nums) {
+        int size = nums.size();
+        vector<int> squares;
+        // create the squares vector
+        for(int i=0;i<size;i++){
+            squares.push_back(nums[i]*nums[i]);
+        }
+        sort(squares.begin(),squares.end());
+        return squares;
+    }
+};