# C++ Exercises: Compute the difference between the highest number and the lowest number

## C++ Basic: Exercise-74 with Solution

Write a C++ program that accepts various numbers and computes the difference between the highest number and the lowest number. All input numbers should be real numbers between 0 and 1,000,000. The output (real numbers) may include an error of 0.01 or less.

**Pictorial Presentation:**

**Sample Solution**:

**C++ Code :**

```
#include <iostream>
using namespace std;
int main()
{
double num[52];
int c=0;
while(cin>>num[c++]);
sort(num, num+c-1);
cout << "Difference between the highest number and the lowest number: ";
cout<<num[c-2]-num[0]<<endl;
}
```

Sample Output:

Sample Input: 2 5 Difference between the highest number and the lowest number: 3

**Flowchart: **

**C++ Code Editor:**

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**Previous:** Write a C++ program that accepts sales unit price and sales quantity of various items and compute total sales amount and the average sales quantity. All input values must greater than or equal to 0 and less than or equal to 1,000, and the number of pairs of sales unit and sales quantity does not exceed 100. If a fraction occurs in the average of the sales quantity, round the first decimal place.

**Next:** Write a C++ program to compute the sum of the specified number of Prime numbers.

**What is the difficulty level of this exercise?**

## C++ Programming: Tips of the Day

**Why is there no std::stou? **

The most pat answer would be that the C library has no corresponding "strtou", and the C++11 string functions are all just thinly veiled wrappers around the C library functions: The std::sto* functions mirror strto*, and the std::to_string functions use sprintf.

Ref: https://bit.ly/3wtz2qA

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