.cpp

// Cpp program to find second largest element in an array 
  
#include <bits/stdc++.h> 
using namespace std; 
  
/* Function to print the second largest elements */
void print2largest(int arr[], int arr_size) 
{ 
    int i, first, second; 
    /* There should be atleast two elements */
    if (arr_size < 2) { 
        printf(" Invalid Input "); 
        return; 
    } 
    // sort the array 
    sort(arr, arr + arr_size); 
    // start from second last element as the largest element 
    // is at last 
    for (i = arr_size - 2; i >= 0; i--) { 
        // if the element is not equal to largest element 
        if (arr[i] != arr[arr_size - 1]) { 
            printf("The second largest element is %d\n",arr[i]); 
            return; 
        } 
    } 
    printf("There is no second largest element\n"); 
} 
  
/* Driver code*/
int main() 
{ 
    int arr[] = { 12, 35, 1, 10, 34, 1 }; 
    int n = sizeof(arr) / sizeof(arr[0]); 
    print2largest(arr, n); 
    return 0; 
}