Menu-driven Loop

Hard
3 views 24 Jan 2026
do-while loop by showing menu (1.Add, 2.Subtract, 3.Exit). Take choice input and perform operation. At the exit the loop breaks. Benefit of at-least-once execution....

Loop Unrolling Demo

Hard
3 views 24 Jan 2026
Create a simple loop that adds 100 numbers. Then unroll them - 4 operations per iteration. Performance should theoretically be better....

Multiplication Table Grid

Hard
2 views 24 Jan 2026
Print 10x10 multiplication table from nested loop properly formatted. Columns remain aligned. Outer loop rows, inner loop columns....

Infinite Loop with Exit

Medium
1 views 24 Jan 2026
Create infinite loop by using while(1). Check other conditions and exit with break on specific condition. Example of multiple exit points....

Fibonacci Generator (Loop)

Medium
2 views 24 Jan 2026
Print Fibonacci series of n terms using loop (not recursion). Do variables maintaining same as for previous two numbers. Space-efficient approach....

Loop Break vs Continue

Medium
3 views 24 Jan 2026
There are numbers in the Array. Loop in:
Break at negative number (stop completely)
Zero on continue (skip current iteration)
Demonstrate the effect of both by printing positive numbers.
...

Armstrong Number Finder

Medium
3 views 24 Jan 2026
Print Armstrong numbers from 1 to 1000 (153 = 1³+5³+3³). Nested logic: extract outer loop numbers, inner loop digits and calculate power....

Matrix Multiplication

Easy
2 views 24 Jan 2026
Two 2D arrays (matrices) input. Multiply with nested loops. Logic: result[i][j] = sum of (a[i][k] * b[k][j]). Complex example of triple nested loop.
...

Prime Number Generator

Easy
2 views 24 Jan 2026
Print all the prime numbers in the given range. Outer loop iterate numbers, inner loop divisibility check. Optimization: √n ...

Nested Loop Pattern Controller

Easy
2 views 24 Jan 2026
Take row input from the user. Print a pattern using nested loops that increment the number of stars in each row. Then modify it to decrement it. Mastery of loop control....