Create NextGreaterElement

NextGreaterElement

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+// Simple C++ program to print 
+// next greater elements in a 
+// given array 
+#include<iostream> 
+using namespace std; 
+
+/* prints element and NGE pair 
+for all elements of arr[] of size n */
+void printNGE(int arr[], int n) 
+{ 
+	int next, i, j; 
+	for (i = 0; i < n; i++) 
+	{ 
+		next = -1; 
+		for (j = i + 1; j < n; j++) 
+		{ 
+			if (arr[i] < arr[j]) 
+			{ 
+				next = arr[j]; 
+				break; 
+			} 
+		} 
+		cout << arr[i] << " -- "
+			<< next << endl; 
+	} 
+} 
+
+// Driver Code 
+int main() 
+{ 
+	int arr[] = {11, 13, 21, 3}; 
+	int n = sizeof(arr)/sizeof(arr[0]); 
+	printNGE(arr, n); 
+	return 0; 
+} 
+
+// This code is contributed 
+// by Akanksha Rai(Abby_akku)