In this tutorial, we will discuss the concept of Cpp program to display largest and second largest elements in Array.
In this topic, we will learn how to find the largest and second largest elements of array elements in Cpp programming language
This program gets “n” number of elements and Enter the elements of the array as input from the user. then, this program finds and displays the largest and second largest elements from the array using for loop and if statements.
In this programs, we can see step by step procedure for completion of the program.
Program 1
#include <iostream> #include <conio.h> using namespace std; int main() { int size,i; int arr[50];//variable declaration to size of array int large=0, secondLarge=0 ; cout<<"Enter the number of element in array: "; cin>>size;//taking input from user for no of elements in array for(i=0; i<size; i++){ cout<<"Enter the array element"<<i+1<<": "; cin>>arr[i];//taking input from user for array elements if(large<arr[i]){ secondLarge=large; large=arr[i]; } else if(secondLarge<arr[i]){ secondLarge=arr[i]; } } cout<<"\n"; cout<<""<<large<<" is a largest nunber\n"; cout<<secondLarge<<" is a second largest nunber"; //display result on the screen getch(); return 0; }
When the above code is executed, it produces the following results
Enter the number of elements in the array: 6 Enter the array element 1: 34 Enter the array element 2: 67 Enter the array element 3: 89 Enter the array element 4: 98 Enter the array element 5: 32 98 is the largest number 89 is the second largest number
Program 2
#include <iostream> #include <conio.h> using namespace std; int main() { int size,i; float arr[50];//variable declaration for size of array float large=0.0, secondLarge=0.0; cout<<"Enter the number of element in the array: "; cin>>size;//taking input from user for no of elements for(i=0; i<size; i++){ cout<<"Enter the array element"<<i+1<<": "; cin>>arr[i];//taking input from user to array elements if(large<arr[i]){ secondLarge=large; large=arr[i]; } else if(secondLarge<arr[i]){ secondLarge=arr[i]; } } cout<<"\n"; cout<<""<<large<<" is the largest nunber\n"; cout<<secondLarge<<" is the second largest nunber"; //display result on the screen getch(); return 0; }
When the above code is executed, it produces the following results
Enter the number of elements in the array: 6 Enter the array element 1: 89.7 Enter the array element 2: 45.3 Enter the array element 3: 12.56 Enter the array element 4: 54.32 Enter the array element 5: 76.43 89.7 is the largest number 76.43 is the second largest number
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