Example: C++ Program to Find Largest and Smallest Number in an Array using For loop

// C++ Program to Find Largest and Smallest Number in an Array using For loop
#include <iostream>
using namespace std;

int main() {
    int x[50], s, i, b, sm;
    
    // x - To store the array list of input numbers
    // s - To store the size of the array
    // b - To store the big element variable
    // sm - To store the small element variable

    cout << "\n-----Enter the size of the array-----\n";
    cin >> s;

    cout << "\n\n-----Enter the " << s << " elements of the array-----\n\n";
    
    for(i = 0; i < s; i++) {
        cin >> x[i];
    }

    // It stored first element of array to check the element
    b = x[0];
    
    for(i = 1; i < s; i++) {
        // It checks one by one with each value of array
        // To compare the value is smallest or largest
        if(b < x[i]) {
            b = x[i];
        }
    }
    cout << "\n\n-----The largest element is: " << b << "\n\n";

    // It stored first element of array to check the element
    sm = x[0];
    
    for(i = 1; i < s; i++) {
        // It checks one by one with each value of array
        // To compare the value is smallest or largest
        if(sm > x[i]) {
            sm = x[i];
        }
    }
    
    cout << "\n\n-----The smallest element is: " << sm << "\n\n";
    return 0;
}