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Practice Zone • C++
10 Topics 131 Questions All Difficulty
Topics
All Questions Full list for C++ 131 Arrays Practice Arrays with real questions. 15 C++ Data Types Practice C++ Data Types with real questions. 15 Classes & Objects Practice Classes & Objects with real questions. 8 Control Flow Practice Control Flow with real questions. 14 Functions Practice Functions with real questions. 15 Operators Practice Operators with real questions. 15 Pattern Printing all Pattern Printing in C++ 13 STL Practice STL with real questions. 15 Strings Practice Strings with real questions. 15 Variables Practice Variables with real questions. 6
Questions
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Find the Longest Palindrome in a String (C++)
Hard
Feb 12, 2026
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Find the Second Largest Number in an Array (C++)
Hard
Feb 12, 2026
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Check Even or Odd Number Using C++
Medium
Feb 12, 2026
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Using Input (cin) with Variables in C++
Medium
Feb 12, 2026
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Using Variables and Data Types in C++
Medium
Feb 12, 2026
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Understanding Variables in C++
Easy
Feb 12, 2026
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Next_permutation for All Arrangements
Hard
Jan 27, 2026
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Lower_bound and Upper_bound
Hard
Jan 27, 2026
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Deque - Double Ended Queue
Hard
Jan 27, 2026
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Multiset - Allow Duplicate Elements
Hard
Jan 27, 2026
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Custom Comparator for Sorting
Hard
Jan 27, 2026
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Pair - Store Two Values Together
Medium
Jan 27, 2026
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Count Frequency Using Map
Medium
Jan 27, 2026
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Priority Queue (Heap)
Medium
Jan 27, 2026
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Set - Store Unique Elements
Medium
Jan 27, 2026
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Map (Key-Value Pairs)
Medium
Jan 27, 2026
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Find Element in Vector
Easy
Jan 27, 2026
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Sort Vector Using STL
Easy
Jan 27, 2026
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Queue Operations (FIFO)
Easy
Jan 27, 2026
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Stack Operations (LIFO)
Easy
Jan 27, 2026
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Vector Basic Operations
Easy
Jan 27, 2026
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Find All Permutations of String
Hard
Jan 27, 2026
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Compress String (Character Count)
Hard
Jan 27, 2026
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Check if String is Rotation of Another
Hard
Jan 27, 2026
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Remove Duplicate Characters
Hard
Jan 27, 2026
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Find Longest Word in String
Hard
Jan 27, 2026
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Check Anagram Strings
Medium
Jan 27, 2026
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Find Substring in String
Medium
Jan 27, 2026
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Count Words in String
Medium
Jan 27, 2026
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Remove Spaces from String
Medium
Jan 27, 2026
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Check Plindrome String
Medium
Jan 27, 2026
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Compare Two Strings
Easy
Jan 27, 2026
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Reverse a String
Easy
Jan 27, 2026
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Count Vowels in String
Easy
Jan 27, 2026
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Convert String to Uppercase
Easy
Jan 27, 2026
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Find Length of String
Easy
Jan 27, 2026
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Print Alphabet Pattern (A to Z triangle)
Hard
Jan 27, 2026
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Print Hollow Diamond Pattern
Hard
Jan 27, 2026
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Print Zig-Zag Pattern
Hard
Jan 27, 2026
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Print Pascal's Triangle
Hard
Jan 27, 2026
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Print Butterfly Pattern
Hard
Jan 27, 2026
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Print Floyd's Triangle
Medium
Jan 27, 2026
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Print Hollow Square Pattern
Medium
Jan 27, 2026
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Print Diamond Pattern
Medium
Jan 27, 2026
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Print Inverted Pyramid
Medium
Jan 27, 2026
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Print Pyramid Pattern (Centered)
Medium
Jan 27, 2026
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Print Number Pattern (1 to N)
Easy
Jan 27, 2026
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Print Right Triangle Pattern
Easy
Jan 27, 2026
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Print Square Star Pattern
Easy
Jan 27, 2026
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Add Two Numbers Without + Operator
Hard
Jan 27, 2026
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Reverse Bits of Number
Hard
Jan 26, 2026
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Find Single Non-Duplicate Number
Hard
Jan 26, 2026
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Check Power of 2 Using Bitwise
Hard
Jan 26, 2026
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Count Set Bits (1s) in Binary
Hard
Jan 26, 2026
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Swap Without Third Variable Using XOR
Medium
Jan 26, 2026
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Check Even/Odd Using Bitwise AND
Medium
Jan 26, 2026
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Ternary Operator for Quick Decisions
Medium
Jan 26, 2026
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Left Shift and Right Shift
Medium
Jan 26, 2026
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Bitwise AND, OR, XOR Operations
Medium
Jan 26, 2026
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Assignment Operators Problem
Easy
Jan 26, 2026
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Logical Operators (AND, OR, NOT)
Easy
Jan 26, 2026
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Comparison Operators
Easy
Jan 26, 2026
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Increment and Decrement Operators
Easy
Jan 26, 2026
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Basic Arithmetic Operations
Easy
Jan 26, 2026
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Count Digits Using Recursion
Hard
Jan 26, 2026
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Tower of Hanoi Problem
Hard
Jan 26, 2026
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Check Palindrome String Using Recursion
Hard
Jan 26, 2026
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Generate Fibonacci Using Recursion
Hard
Jan 26, 2026
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Factorial Using Recursion
Hard
Jan 26, 2026
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Default Arguments in Function
Medium
Jan 26, 2026
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Swap Two Numbers Using Reference
Medium
Jan 26, 2026
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Pass Array to Function
Medium
Jan 26, 2026
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Function Overloading for Area Calculation
Medium
Jan 26, 2026
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Calculate Power Using Recursion
Medium
Jan 26, 2026
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Print Pattern Using Function
Easy
Jan 26, 2026
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Calculate Circle Area Using Function
Easy
Jan 26, 2026
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Find Maximum Using Function
Easy
Jan 26, 2026
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Check Even or Odd Using Function
Easy
Jan 26, 2026
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Add Two Numbers Using Function
Easy
Jan 26, 2026
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Find All Prime Numbers in Range (Sieve Method)
Hard
Jan 26, 2026
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Convert Decimal to Binary
Hard
Jan 26, 2026
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Print Diamond Pattern
Hard
Jan 26, 2026
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Check Armstrong Number
Hard
Jan 26, 2026
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Find GCD (Greatest Common Divisor)
Hard
Jan 26, 2026
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Generate Fibonacci Series
Medium
Jan 26, 2026
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Check Prime Number
Medium
Jan 26, 2026
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Find Factorial of Number
Medium
Jan 26, 2026
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Print Multiplication Table
Medium
Jan 26, 2026
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Check Leap Year
Medium
Jan 26, 2026
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Simple Calculator Using Switch
Easy
Jan 26, 2026
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Calculate Sum of First N Natural Numbers
Easy
Jan 26, 2026
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Find Largest of Three Numbers
Easy
Jan 26, 2026
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Check Student Pass or Fail
Easy
Jan 26, 2026
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Operator Overloading (+ operator)
Medium
Jan 26, 2026
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Friend Function Implementation
Medium
Jan 26, 2026
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Copy Constructor Implementation
Medium
Jan 26, 2026
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Count Objects Using Static Variable
Easy
Jan 26, 2026
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Class with Getter and Setter Methods
Easy
Jan 26, 2026
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Class with Multiple Constructors
Easy
Jan 26, 2026
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Class with Constructor
Easy
Jan 26, 2026
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