Question

5. (5 points) What does the following program do, assume the keyboard input was 12, 10: #include<iostream> int mystery(int int); int main() { int x, y; cout << "Enter two integers" << endl; cin >> x>> y; cout << "The result is" << mystery(x,y)<< endl; return 0; } int mystery(int a, int b) { // b must be positive if (b==1) return a; else return (a+mystery(a+1,b-1)); }

          5. (5 points) What does the following program do, assume the keyboard input was 12, 10:
#include<iostream>
int mystery(int int);
int main() {
int x, y;
cout << "Enter two integers" << endl;
cin >> x>> y;
cout << "The result is" << mystery(x,y)<< endl;
return 0;
}
int mystery(int a, int b) { // b must be positive
if (b==1) return a;
else return (a+mystery(a+1,b-1));
}

5. (5 points) What does the following program do, assume the keyboard input was 12, 10:
#include<iostream>
int mystery(int int);
int main()
int x, y;
cout << "Enter two integers" << endl;
cin >> x>> y;
cout << "The result is" << mystery(x,y)<< endl;
return 0;

int mystery(int a, int b) // b must be positive
if (b==1) return a;
else return (a+mystery(a+1,b-1));

Added by Paul G.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Vysakh M

Step 1

The program includes the iostream library and declares a function called mystery that takes an integer as an argument and returns an integer. Show more…

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5.5 points. What does the following program do? Assume the keyboard input was 12, 10. #include <iostream> int mystery(int); int main() { int x, y; cout << "Enter two integers" << endl; cin >> x >> y; cout << "The result is " << mystery(x, y) << endl; return 0; } if (b == 1) return a; else return a + mystery(a + 1, b - 1);