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Apple_Division.cpp
Apple_Division.cpp
 
 
Bit_Strings.cpp
Bit_Strings.cpp
 
 
Chessboard_and_Queens.cpp
Chessboard_and_Queens.cpp
 
 
Coin_Piles.cpp
Coin_Piles.cpp
 
 
Creating_Strings.cpp
Creating_Strings.cpp
 
 
Dice_Combinations.cpp
Dice_Combinations.cpp
 
 
Digit_Queries.cpp
Digit_Queries.cpp
 
 
Gray_Code.cpp
Gray_Code.cpp
 
 
Grid_Paths.cpp
Grid_Paths.cpp
 
 
Increasing_Array.cpp
Increasing_Array.cpp
 
 
Minimizing_Coins.cpp
Minimizing_Coins.cpp
 
 
Missing_Number.cpp
Missing_Number.cpp
 
 
Number_Spiral.cpp
Number_Spiral.cpp
 
 
Palindrome_Reorder.cpp
Palindrome_Reorder.cpp
 
 
Permutations.cpp
Permutations.cpp
 
 
README.md
README.md
 
 
Raab_Game_I.cpp
Raab_Game_I.cpp
 
 
Removing_Digits.cpp
Removing_Digits.cpp
 
 
Repetitions.cpp
Repetitions.cpp
 
 
Tower_of_Hanoi.cpp
Tower_of_Hanoi.cpp
 
 
Trailing_Zeros.cpp
Trailing_Zeros.cpp
 
 
Two_Knights.cpp
Two_Knights.cpp
 
 
Two_Sets.cpp
Two_Sets.cpp
 
 
Weird_Algorithm.cpp
Weird_Algorithm.cpp
 
 

README.md

📖 Introductory Problems

This directory contains solutions to the 19 introductory problems from the CSES Problem Set. These problems are designed to help beginners learn basic programming concepts and algorithms.

🎯 Problems Overview

# Problem Name Difficulty Topic Solution
1 Weird Algorithm ★☆☆☆☆ Implementation View Solution
2 Missing Number ★☆☆☆☆ Array Manipulation View Solution
3 Repetitions ★☆☆☆☆ String Processing View Solution
4 Increasing Array ★☆☆☆☆ Greedy Algorithms View Solution
5 Permutations ★☆☆☆☆ Combinatorics View Solution
6 Number Spiral ★★☆☆☆ Pattern Recognition View Solution
7 Two Knights ★★☆☆☆ Combinatorics View Solution
8 Two Sets ★★☆☆☆ Greedy Algorithms View Solution
9 Bit Strings ★☆☆☆☆ Combinatorics View Solution
10 Trailing Zeros ★★☆☆☆ Mathematics View Solution
11 Coin Piles ★★☆☆☆ Game Theory View Solution
12 Palindrome Reorder ★★☆☆☆ String Manipulation View Solution
13 Gray Code ★★☆☆☆ Bit Manipulation View Solution
14 Tower of Hanoi ★★☆☆☆ Recursion View Solution
15 Creating Strings ★★☆☆☆ Permutations View Solution
16 Apple Division ★★★☆☆ Subset Sum View Solution
17 Chessboard and Queens ★★★☆☆ Backtracking View Solution
18 Digit Queries ★★★☆☆ Mathematics View Solution
19 Grid Paths ★★★☆☆ Dynamic Programming View Solution

🚀 Learning Objectives

After solving these problems, you should be comfortable with:

  • Basic input/output operations
  • Array and string manipulation
  • Simple mathematical concepts
  • Basic greedy algorithms
  • Recursion fundamentals
  • Pattern recognition
  • Combinatorics basics

💡 Tips for Beginners

  1. Start Simple: Begin with the 1-star problems
  2. Read Carefully: Understand the problem statement completely
  3. Test Cases: Always test with edge cases
  4. Time Complexity: Consider the efficiency of your solution
  5. Practice: Solve problems multiple times to reinforce concepts

🔗 Related Resources

Happy Coding! 🎉