The Largest Number in an Array in C++

 A program asks the user to give seven numbers and then the program will check and determine which of the seven numbers given is the largest number and its location in a one-dimensional array using a C++ programming language.

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Program Listing

/* largest.cpp

   Author : Jake Rodriguez Pomperada, MAED-IT, MIT

   www.jakerpomperada.com  and www.jakerpomperada.blogspot.com

   jakerpomperada@gmail.com

   Bacolod City, Negros Occidental

   September 15, 2022  Thursday  6:54 PM

*/

#include <iostream>

using namespace std;

int main() {

  int i=0, n=0;

  int arr[7];

  int b = sizeof(arr)/sizeof(arr[0]);

  int y=0;  int index=0;

 

  cout <<"\n\n";

  cout << "\tThe Largest Number in an Array in C++";

  cout <<"\n\n";

  

  for(i = 0; i < 7; ++i) {

    cout << "\tEnter Number " << i + 1 << " : ";

    cin >> arr[i];

  }

 cout <<"\n\n";

 cout << "\tList of Array Elements\n\n";

 

   for(i = 0;i <7; ++i) {

     cout << "\tElement Value [" << i+1 << "] = " 

<<arr[i] <<"\n";

  }

  for(i = 1;i < 7; ++i) {

    if(arr[0] < arr[i])

      arr[0] = arr[i];

  }

  cout << endl << "\tLargest element = " << arr[0];

  cout << "\n\n";

  for(y=1; y<7; y++)

    {

        if(arr[y]==arr[0])

        {

            index = y+1;

            break;

        }

    }

    cout <<"\n";

     cout<<"\n\tThe Largest Number " <<arr[0] <<

" at Location Number "<<index <<".";

  return 0;

}