C++ Exercises: Asked user to input positive integers to process count, maximum, minimum, and average
C++ For Loop: Exercise-15 with Solution
Write a C++ program that asks the user to enter positive integers in order to process count, maximum, minimum, and average or terminate the process with -1.
Pictorial Presentation:

Sample Solution :-
C++ Code :
#include <iostream>
#include <climits>
#include <iomanip>
using namespace std;
int main()
{
int posnum, ctr, sum, max = 0;
int min = INT_MAX;
int terval = -1;
cout << "\n\n Input a positive integers to calculate some processes or -1 to terminate:\n";
cout << "----------------------------------------------------------------------------\n";
cout << " Input positive integer or " << terval << " to terminate: ";
while (cin >> posnum && posnum != terval)
{
if (posnum > 0)
{
++ctr;
sum += posnum;
if (max < posnum)
max = posnum;
if (min > posnum)
min = posnum;
}
else
{
cout << "error: input must be positive! if negative, the value will only be -1! try again..." << endl;
}
cout << " Input positive integer or " << terval << " to terminate: ";
}
cout << "\n Your input is for termination. Here is the result below: " << endl;
cout << " Number of positive integers is: " << ctr << endl;
if (ctr > 0)
{
cout << " The maximum value is: " << max << endl;
cout << " The minimum value is: " << min << endl;
cout << fixed << setprecision(2);
cout << " The average is " << (double)sum / ctr << endl;
}
}
Sample Output:
Input a positive integers to calculate some processes or -1 to terminate: ---------------------------------------------------------------------------- Input positive integer or -1 to terminate: 25 Input positive integer or -1 to terminate: 15 Input positive integer or -1 to terminate: 35 Input positive integer or -1 to terminate: -1 Your input is for termination. Here is the result below: Number of positive integers is: 3 The maximum value is: 35 The minimum value is: 15 The average is 25.00
Flowchart:

C++ Code Editor:
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Previous: Write a program in C++ to find the sum of series 1 - X^2/2! + X^4/4!-.... upto nth term.
Next: Write a program in C++ to list non-prime numbers from 1 to an upperbound.
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