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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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Mastering Hollow Square Patterns in C: Stars, Numbers, Alphabets & Binary

🔢 C Program to Print Hollow Continuous Number Square

📄 Source Code:
#include <stdio.h>

int main()
{
    int num, k = 0;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                // k increments sequentially only along the borders
                printf("%d ", k++);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
0 1 2 3 4 
5       6 
7       8 
9       10 
11 12 13 14 15

🔢 C Program to Print Standard Hollow Binary Row Square

📄 Source Code (Fixed Specifier):
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                // Fixed: Changed %c to %d to correctly display the binary digits
                printf("%d ", i % 2);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
1 1 1 1 1 
0       0 
1       1 
0       0 
1 1 1 1 1

🔢 C Program to Print Standard Hollow Binary Column Square

📄 Source Code (Fixed Specifier):
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                // Fixed: Changed %c to %d to correctly display the binary digits
                printf("%d ", j % 2);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
1 0 1 0 1 
1       1 
1       1 
1       1 
1 0 1 0 1

🔢 C Program to Print Inverted Hollow Row-Alphabet Square

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = num; i >= 1; i--)
    {
        for(int j = num; j >= 1; j--)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                // Prints character based on the inverted row index (i)
                printf("%c ", i + 64);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
E E E E E 
D       D 
C       C 
B       B 
A A A A A

🔢 C Program to Print Inverted Hollow Alphabet Square Pattern

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = num; i >= 1; i--)
    {
        for(int j = num; j >= 1; j--)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                printf("%c ", j + 64);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
E D C B A 
E       A 
E       A 
E       A 
E D C B A

🔢 C Program to Print Hollow Star Square Pattern

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                printf("* ");
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n");
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
* * * * *
*       *
*       *
*       *
* * * * *

🔢 C Program to Print Hollow Row-Alphabet Square Pattern

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                // Prints character based on row index (i)
                printf("%c ", i + 64);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
A A A A A 
B       B 
C       C 
D       D 
E E E E E

🔢 C Program to Print Hollow Alphabet Square Pattern

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                printf("%c ", j + 64);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
A B C D E 
A       E 
A       E 
A       E 
A B C D E

🔢 C Program to Print Inverted Hollow Number Square Pattern

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = num; i >= 1; i--)
    {
        for(int j = num; j >= 1; j--)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                printf("%d ", j);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
5 4 3 2 1 
5       1 
5       1 
5       1 
5 4 3 2 1

🔢 C Program to Print Hollow Number Square Pattern

📄 Source Code:
#include <stdio.h>

int main()
{
    int num;

    printf("Enter the number:\n");
    scanf("%d", &num);

    for(int i = 1; i <= num; i++)
    {
        for(int j = 1; j <= num; j++)
        {
            if(i == 1 || i == num || j == 1 || j == num)
            {
                printf("%d ", j);
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n"); 
    }

    return 0;
}
💻 Expected Output (Input: 5):
Enter the number:
5
1 2 3 4 5 
1       5 
1       5 
1       5 
1 2 3 4 5
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