Using c++, ) What input must be provided to this “ double Nested For Sum” fragment for it to display 48? #include using namespace std; int main() {            int n, sum = 0;        cout << ("please enter a positive integer") << endl;            cin >> n;            for (int j = 0; j <= n; j++) {                   for (int k = 0; k <= n; k++) {                          sum += j + k;                   }            }            cout << sum << endl; }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Using c++, ) What input must be provided to this “ double Nested For Sum” fragment for it to display 48?

#include <iostream>

using namespace std;

int main() {

           int n, sum = 0;

       cout << ("please enter a positive integer") << endl;

           cin >> n;

           for (int j = 0; j <= n; j++) {

                  for (int k = 0; k <= n; k++) {

                         sum += j + k;

                  }

           }

           cout << sum << endl;

}

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Step 1

Introduction:-

C++ :-

C++ is a object-oriented programming language and which gives a clear structure to the programs and allows to the code to be reused and  the lowering development cost

 

 

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