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Output largest and smallest number out of four numbers

dat boi (4)
So I was challenged in class to write a code that lets the user enter in four numbers. The code is supposed to output the largest and smallest number, which I have done, but i have to do it in only four if statements and my code that I have written does it with five and else if statements count as a if statement.

Please help!

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#include <cstdlib>
#include <iostream>
using namespace std;

/*
 * 
 */
int main(int argc, char** argv) {
   
    int w, x, y, z, smallest, biggest;
    
    cout << "You are going to enter in 4 numbers" << endl << endl;
    
    cout << "Enter the first number: ";
    cin >> w;
    
    
    cout << "Enter the second number: ";
    cin >> x;
    
    
    cout << "Enter the third number: ";
    cin >> y;
    
    cout << "Enter the fourth number: ";
    cin >> z;
    cout << endl;
    
    if (w > x){
    biggest = w;
    smallest = x;
    }
    else
        biggest = x;
    smallest = w;
    
    if (y > biggest)
        biggest = y;
    else if (y < smallest)
        smallest = y;
 
    if (z > biggest)
        biggest = z;
    else if (z < smallest)
        smallest = z;
    
    
    
    cout << "The biggest number was: " << biggest << endl;
    cout << "The smallest number was: " << smallest << endl;
    
    
    
    cout << endl << endl;
    return 0;
}
dat boi (4)
I have just edited my code and I think I solved my own problem!

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#include <cstdlib>
#include <iostream>
using namespace std;

/*
 * 
 */
int main(int argc, char** argv) {
   
    int w, x, y, z, smallest, biggest, smallest2, biggest2;
    
    cout << "You are going to enter in 4 numbers" << endl << endl;
    
    cout << "Enter the first number: ";
    cin >> w;
    
    
    cout << "Enter the second number: ";
    cin >> x;
    
    
    cout << "Enter the third number: ";
    cin >> y;
    
    cout << "Enter the fourth number: ";
    cin >> z;
    cout << endl;
    
    if (w > x){
    biggest = w;
    smallest = x;
    }
    else
        biggest = x;
    smallest = w;
    
    if (y > z){
        biggest2 = y;
    smallest2 = z;
    }
    else
        smallest2 = y;
    biggest2 = z;
 
    if (biggest2 > biggest)
        biggest = biggest2;
    else
        biggest = biggest;
    
    if (smallest2 < smallest)
        smallest = smallest2;
    else
        smallest = smallest;
    
    
    
    cout << "The biggest number was: " << biggest << endl;
    cout << "The smallest number was: " << smallest << endl;
    
    
    
    cout << endl << endl;
    return 0;
}


It might be a little confusing to read since I chose to use the words biggest and biggest2 along with smallest and smallest2 but there you go!
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