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C++ Program to Perform Linear Search on a Vector

  C++ Program to Perform Linear Search on a Vector Introduction In this C++ program, we will learn how to perform a Linear Search on a vector. The program first takes the size of the vector and its elements as input. Then it asks the user for the element to search. If the element is found, it displays the index where it is located. Otherwise, it displays a message indicating that the element is not found. C++ Program #include<bits/stdc++.h> using namespace std; int main() { int num, search, found = 0; cout << "Enter the size of the vector:" << endl; cin >> num; vector<int> v(num); cout << "Enter " << num << " elements in vector:" << endl; for(int i = 0; i < num; i++) { cin >> v[i]; } cout << "Enter element that you want to search:" << endl; cin >> search; for(int i = 0; i < num; i++) { ...
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C Program to Find the Smallest Element in an Array

🔍 C Program to Find the Smallest Element in an Array

#include<stdio.h>
int main( )
{
    int num, a[100];
    printf("Enter the size of the array:\n");
    scanf("%d", &num);

    if(num <= 0)
    {
        printf("Invalid array size");
        return 1;
    }

    printf("Enter %d elements into the array:\n", num);
    for(int i = 0; i < num; i++)
    {
        scanf("%d", &a[i]);
    }

    int min = a[0]; // Start by assuming first element is smallest

    for(int i = 1; i < num; i++) // Start from 1 to avoid rechecking a[0]
    {
        if(a[i] < min)
        {
            min = a[i];
        }
    }

    printf("The smallest element in the array is %d\n", min);

    return 0;
}

📝 Explanation:

This C program reads an array of integers from the user and finds the smallest element by comparing each item with a `min` variable initialized to the first element.

💡 Sample Output:

Enter the size of the array:
5
Enter 5 elements into the array:
12 5 9 30 2
The smallest element in the array is 2

🔍 Keywords:

Smallest number in array C program, find minimum element, array comparison logic, beginner C programs, interview C questions

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