perform shift

Author: Ashish-kumar7

Perform String Shifts.cpp

@@ -0,0 +1,51 @@
+class Solution {
+public:
+    string stringShift(string s, vector<vector<int>>& shift) {
+        int left=0;
+        int right=0;
+        for(int i=0;i<shift.size();i++){
+            if(shift[i][0]==0){
+                left+=shift[i][1];
+            }
+            else if(shift[i][0]==1)
+            {
+                right+=shift[i][1];
+            }
+        }
+        int n=s.size();
+         int x;
+        string final="";
+        cout<<left<<" "<<right;
+        if(left>right){
+            x=left-right;
+            x=x%n;
+            string aage="";
+            for(int i=x;i<n;i++){
+                aage+=s[i];
+            }
+            string piche="";
+            for(int i=0;i<x;i++){
+                piche+=s[i];
+            }
+             final=aage + piche;
+        }
+        else {
+            x=right-left;
+            x=x%n;
+            
+            string aage="";
+            for(int i=n-x;i<n;i++){
+                aage+=s[i];
+            }
+            string piche="";
+            for(int i=0;i<n-x;i++){
+                piche+=s[i];
+            }
+             final=aage + piche;
+        }
+        if(x==0){
+            return s; 
+        }
+        return final;
+    }
+};