C PROGRAMMING PROGRAM • PATTERN PROGRAMS

Print a Solid Square Star Pattern

Learn how to print a solid square star pattern using a clear C program.

IntermediateNested loopsRows and columnsPattern

PROBLEM UNDERSTANDING

Input and expected output

Sample input

Sample output

* * * *
* * * *
* * * *
* * * *

COMPLETE C PROGRAM

Complete C implementation

#include <stdio.h>

int main(void)
{
    int size;

    printf("Enter size: ");
    scanf("%d", &size);
    for (int row = 1; row <= size; row++) {
        for (int column = 1; column <= size; column++) printf("* ");
        printf("\n");
    }
    return 0;
}

CURRENT STEP

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SELECTED LINE

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EXPECTED OUTPUT FOR THE SAMPLE

* * * *
* * * *
* * * *
* * * *

0%Step 0 of 0

PROGRAM EXPLANATION

Algorithm and explanation

Read the required input values.
Use one loop for rows and another to print the same number of stars in every row.
Display the computed result.

Use one loop for rows and another to print the same number of stars in every row.

EFFICIENCY

Time and space complexity

Time complexity

O(n²)

Auxiliary space

O(1)

DEBUGGING CHECKLIST

Common mistakes

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Use the correct format specifier for every variable.

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Initialize variables before using their values.

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Check braces, semicolons and input order carefully.

Try it yourself

Practice: Run the program with the sample input, predict its output, and then test one boundary case of your own.