C++ Examples

C++ Program to Find Second Smallest elements in a given array

The Program in C++ Program to Find Second Smallest elements in a given array is given below:

#include <iostream>
#include <algorithm>

int main() {
    int n;
    std::cout << "Hello Codeauri Family,enter the number of elements to find out the second largest element here: ";
    std::cin >> n; // Read the size of the array
    int a[n];
    std::cout << "Well, enter the elements here: ";
    for (int i = 0; i < n; i++) {
        std::cin >> a[i]; // Read the elements of the array
    }
    std::sort(a, a + n); // Sort the array
    int secondSmallest = a[1]; // The second smallest element is the second element after sorting
    std::cout << "Okay,the second smallest element is: " << secondSmallest << std::endl;
    return 0;
}

Output:

Hello Codeauri Family,enter the number of elements to find out the second largest element here: 3
Well, enter the elements here: 20987
90875
105678
Okay,the second smallest element is: 90875

Pro-Tips💡

In this program, after reading the elements of the array, it sorts the array in ascending order using the std::sort function from the algorithm library.

The second smallest element is then the second element in the sorted array.

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