cpp_tests/t26_simple_program.cpp at master · s-kramer/cpp_tests · GitHub

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#include <iostream>

const int LOWER_VAL = 5;

const int UPPER_VAL = 9;

bool is_in_range(int val, int lower = LOWER_VAL, int upper = UPPER_VAL)

{

return (val >= lower && val <=upper);

}

int main()

{

long int sum = 0;

double average = 0;

unsigned count = 0;

int num = 0;

while (1) {

std::cout << "Enter number from the range 5 - 9 inclusive:\n";

std::cin >> num;

if (!is_in_range(num)) {

std::cout << "The number " << num << " is not within the range <" << LOWER_VAL << ", " << UPPER_VAL << ">.\n";

continue;

}

sum += num;

count++;

average = static_cast<double>(sum) / count;

std::cout << "Current average: " << average << '\n';

}

return 0;

}

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