﻿ C++ : Add two integers to get the third from three integers

# C++ Exercises: Check if it is possible to add two integers to get the third integer from three given integers

## C++ Basic Algorithm: Exercise-44 with Solution

Write a C++ program to check if it is possible to add two integers to get the third integer from three given integers.

Sample Solution:

C++ Code :

#include <iostream>

using namespace std;

bool test(int x, int y, int z)
{
return x == y + z || y == x + z || z == x + y;
}

int main()
{
cout << test(1, 2, 3) << endl;
cout << test(4, 5, 6) << endl;
cout << test(-1, 1, 0) << endl;
return 0;
}

Sample Output:

1
0
1

Pictorial Presentation:

Flowchart:

C++ Code Editor:

What is the difficulty level of this exercise?

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## C++ Programming: Tips of the Day

What is the "-->" operator in C/C++?

--> is not an operator. It is in fact two separate operators, -- and >.

The conditional's code decrements x, while returning x's original (not decremented) value, and then compares the original value with 0 using the > operator.

To better understand, the statement could be written as follows:

while( (x--) > 0 )

Ref : https://bit.ly/3kOTBby

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