| Sr. No | Problem | Difficulty | Topics | Description | Example | Solution File | Additional Tutorial |
|---|---|---|---|---|---|---|---|
| 1 | Even or Odd | Easy | Basics, Conditionals | Check if a number is even or odd. | Input: 5 → Output: Odd |
EvenOdd.cpp | - |
| 2 | Prime Number | Easy | Math, Loops | Check if a number is prime. | Input: 7 → Output: Prime |
PrimeNumber.cpp | Prime.md |
| 3 | Leap Year Validation | Easy | Conditionals | Determine if a given year is a leap year. | Input: 2024 → Output: Leap Year |
ValidatingLeapYears.cpp | - |
| 4 | Armstrong Number | Medium | Math, Loops | Check if a number is an Armstrong number. | Input: 153 → Output: Yes |
CalculatinArmstrongNumbers.cpp | - |
| 5 | Fibonacci Series | Easy | Recursion, Loops | Print Fibonacci series up to n terms. | Input: 5 → Output: 0 1 1 2 3 |
Fibonacci Series.cpp | - |
| 6 | Palindrome Check | Medium | Strings, Two Pointers | Check if a string is a palindrome. | Input: "madam" → Output: Yes |
Palindromes.cpp | - |
| 7 | Star Patterns | Easy | Loops | Print star patterns. | Input: 3 → Output: *\n**\n*** |
Star Patterns.cpp | - |
| 8 | Factorial | Medium | Recursion, Loops | Calculate the factorial of a number. | Input: 5 → Output: 120 |
FactorialNumber.cpp | Factorial.md |
| 9 | Sum of Digits | Easy | Math | Sum the digits of a number. | Input: 123 → Output: 6 |
SummingDigitsNumber.cpp | - |
| 10 | Greatest Common Divisor (GCD) | Medium | Math | Compute the GCD of two numbers. | Input: (8, 12) → Output: 4 |
GreatestCommonDivisor(GCD).cpp | gcd.md |
| 11 | Least Common Multiple (LCM) | Medium | Math | Compute the LCM of two numbers. | Input: (4, 6) → Output: 12 |
LeastCommonMultiple(LCM).cpp | - |
| 12 | Reverse a Number | Easy | Math, Loops | Reverse the digits of a number. | Input: 123 → Output: 321 |
ReversingNumber.cpp | - |
| 13 | Count Digits | Easy | Math | Count the number of digits in a given number. | Input: 12345 → Output: 5 |
CountingDigits.cpp | - |
| 14 | Check Perfect Number | Medium | Math | Determine if a number is a perfect number. | Input: 28 → Output: Yes |
PerfectNumber.cpp | - |
| 15 | Check Strong Number | Medium | Math, Factorials | Determine if a number is a strong number (sum of factorials of digits equals the number). | Input: 145 → Output: Yes |
StrongNumber.cpp | - |
| 16 | Decimal to Binary Conversion | Medium | Math, Bit Manipulation | Convert a decimal number to binary. | Input: 10 → Output: 1010 |
DecimalToBinary.cpp | - |
| 17 | Binary to Decimal Conversion | Medium | Math, Bit Manipulation | Convert a binary number to decimal. | Input: 1010 → Output: 10 |
BinaryToDecimal.cpp | - |
| 18 | Sum of First N Natural Numbers | Easy | Math, Loops | Compute the sum of the first N natural numbers. | Input: 5 → Output: 15 |
SumOfFirstNNumbers.cpp | - |
| 19 | Power of a Number | Medium | Math, Recursion | Calculate the power of a number using recursion. | Input: (2, 3) → Output: 8 |
PowerOfANumber.cpp | - |
| 20 | Greatest of Three Numbers | Easy | Conditionals | Find the largest of three numbers. | Input: (3, 7, 5) → Output: 7 |
GreatestOfThreeNumbers.cpp | - |
| 21 | Check Armstrong Number | Medium | Math | Determine if a number is an Armstrong number (sum of cubes of digits equals the number). | Input: 153 → Output: Yes |
ArmstrongNumber.cpp | - |
| 22 | Sum of Digits | Easy | Math | Compute the sum of digits of a number. | Input: 123 → Output: 6 |
SumOfDigits.cpp | - |
| 23 | Factorial of a Number | Medium | Math, Recursion | Compute the factorial of a given number. | Input: 5 → Output: 120 |
Factorial.cpp | - |
| 24 | Fibonacci Series | Medium | Recursion, Loops | Generate the Fibonacci series up to N terms. | Input: 5 → Output: 0 1 1 2 3 |
FibonacciSeries.cpp | - |
| 25 | Palindrome Number | Medium | Math | Check if a number is a palindrome. | Input: 121 → Output: Yes |
PalindromeNumber.cpp | - |
| 26 | Prime Number | Medium | Math | Check if a number is prime. | Input: 7 → Output: Yes |
PrimeNumber.cpp | - |
| 27 | Prime Numbers in a Range | Medium | Math, Loops | Find all prime numbers in a given range. | Input: 1-10 → Output: 2 3 5 7 |
PrimeNumbersInRange.cpp | - |
| 28 | Sum of Prime Numbers | Medium | Math | Compute the sum of prime numbers up to N. | Input: 10 → Output: 17 |
SumOfPrimes.cpp | - |
| 29 | HCF (GCD) of Two Numbers | Medium | Math | Compute the Highest Common Factor (GCD) of two numbers. | Input: (8, 12) → Output: 4 |
HCF_GCD.cpp | - |
| 30 | LCM of Two Numbers | Medium | Math | Compute the Least Common Multiple (LCM) of two numbers. | Input: (4, 6) → Output: 12 |
LCM.cpp | - |
| 31 | Decimal to Binary | Easy | Math, Bit Manipulation | Convert a decimal number to binary representation. | Input: 10 → Output: 1010 |
DecimalToBinary.cpp | - |
| 32 | Binary to Decimal | Easy | Math, Bit Manipulation | Convert a binary number to decimal representation. | Input: 1010 → Output: 10 |
BinaryToDecimal.cpp | - |
| 33 | Reverse a Number | Easy | Math, Loops | Reverse the digits of a given number. | Input: 123 → Output: 321 |
ReverseNumber.cpp | - |
| 34 | Power of a Number | Medium | Math, Recursion | Compute a^b using recursion. |
Input: (2, 3) → Output: 8 |
PowerOfNumber.cpp | - |
| 35 | Fibonacci using Recursion | Medium | Recursion | Compute Fibonacci series using recursion. | Input: 5 → Output: 0 1 1 2 3 |
FibonacciRecursion.cpp | - |
| 36 | Count Digits in a Number | Easy | Math, Loops | Count the number of digits in a given number. | Input: 1234 → Output: 4 |
CountDigits.cpp | - |
| 37 | Check Perfect Number | Medium | Math | Check if a number is a perfect number (sum of divisors equals the number). | Input: 28 → Output: Yes |
PerfectNumber.cpp | - |
| 38 | Sum of Natural Numbers | Easy | Math | Compute the sum of the first N natural numbers. | Input: 5 → Output: 15 |
SumNaturalNumbers.cpp | - |
| 39 | Check Automorphic Number | Medium | Math | Check if a number is automorphic (its square ends with the number itself). | Input: 25 → Output: Yes |
AutomorphicNumber.cpp | - |
| 40 | Check Harshad Number | Medium | Math | Check if a number is a Harshad number (divisible by the sum of its digits). | Input: 18 → Output: Yes |
HarshadNumber.cpp | - |
| 41 | Check Armstrong Number | Medium | Math | Check if a number is an Armstrong number (sum of digits raised to power of count equals the number). | Input: 153 → Output: Yes |
ArmstrongNumber.cpp | - |
| 42 | Reverse a String | Easy | Strings | Reverse a given string. | Input: "hello" → Output: "olleh" |
ReverseString.cpp | - |
| 43 | Palindrome String | Easy | Strings | Check if a string is a palindrome. | Input: "madam" → Output: Yes |
PalindromeString.cpp | - |
| 44 | Find Factorial | Easy | Math, Recursion | Compute the factorial of a number using recursion. | Input: 5 → Output: 120 |
Factorial.cpp | - |
| 45 | Find GCD | Medium | Math | Find the Greatest Common Divisor (GCD) of two numbers. | Input: (12, 18) → Output: 6 |
GCD.cpp | - |
| 46 | Find LCM | Medium | Math | Find the Least Common Multiple (LCM) of two numbers. | Input: (12, 18) → Output: 36 |
LCM.cpp | - |
| 47 | Sum of Digits | Easy | Math | Compute the sum of digits of a number. | Input: 123 → Output: 6 |
SumOfDigits.cpp | - |
| 48 | Count Vowels and Consonants | Easy | Strings | Count the number of vowels and consonants in a string. | Input: "hello" → Output: Vowels: 2, Consonants: 3 |
VowelsConsonants.cpp | - |
| 49 | Fibonacci using Iteration | Easy | Iteration, Math | Compute Fibonacci series using loops. | Input: 5 → Output: 0 1 1 2 3 |
FibonacciIteration.cpp | - |
| 50 | Print Pyramid Pattern | Easy | Patterns, Loops | Print a pyramid pattern of stars. | Input: 3 → Output: \n * \n *** \n***** |
PyramidPattern.cpp | - |
| Sr. No | Problem | Difficulty | Topics | Description | Example | Solution File | Additional Tutorial |
|---|---|---|---|---|---|---|---|
| 51 | Check Prime Number | Medium | Math | Check if a number is prime. | Input: 7 → Output: Yes |
PrimeNumber.cpp | - |
| 52 | Find Prime Factors | Medium | Math | Find all prime factors of a number. | Input: 28 → Output: 2 2 7 |
PrimeFactors.cpp | - |
| 53 | Check Perfect Number | Medium | Math | Check if a number is a perfect number (sum of divisors equals the number). | Input: 6 → Output: Yes |
PerfectNumber.cpp | - |
| 54 | Decimal to Binary | Easy | Math, Conversion | Convert a decimal number to binary. | Input: 10 → Output: 1010 |
DecimalToBinary.cpp | - |
| 55 | Binary to Decimal | Easy | Math, Conversion | Convert a binary number to decimal. | Input: 1010 → Output: 10 |
BinaryToDecimal.cpp | - |
| 56 | Armstrong Numbers in a Range | Medium | Math | Print all Armstrong numbers within a given range. | Input: (1, 500) → Output: 1, 153, 370, 371, 407 |
ArmstrongInRange.cpp | - |
| 57 | Find HCF (GCD) using Recursion | Medium | Math, Recursion | Compute the GCD using recursion. | Input: (12, 18) → Output: 6 |
GCDRecursion.cpp | - |
| 58 | Find LCM using Recursion | Medium | Math, Recursion | Compute the LCM using recursion. | Input: (4, 6) → Output: 12 |
LCMRecursion.cpp | - |
| 59 | Reverse a Number | Easy | Math | Reverse the digits of a number. | Input: 1234 → Output: 4321 |
ReverseNumber.cpp | - |
| 60 | Count Digits in a Number | Easy | Math | Count the number of digits in a given number. | Input: 9876 → Output: 4 |
CountDigits.cpp | - |
| 61 | Sum of N Natural Numbers | Easy | Math | Compute the sum of the first N natural numbers. | Input: 5 → Output: 15 |
SumNaturalNumbers.cpp | - |
| 62 | Find Power of a Number | Medium | Math, Recursion | Compute a^b using recursion. |
Input: (2, 3) → Output: 8 |
PowerRecursion.cpp | - |
| 63 | Find Square Root | Medium | Math | Compute the square root of a number (without using built-in functions). | Input: 16 → Output: 4 |
SquareRoot.cpp | - |
| 64 | Check Automorphic Number | Medium | Math | Check if a number is automorphic (square ends with the number itself). | Input: 25 → Output: Yes |
AutomorphicNumber.cpp | - |
| 65 | Check Harshad (Niven) Number | Medium | Math | Check if a number is divisible by the sum of its digits. | Input: 18 → Output: Yes |
HarshadNumber.cpp | - |
| 66 | Find Fibonacci using Recursion | Medium | Recursion, Math | Compute Fibonacci series using recursion. | Input: 5 → Output: 0 1 1 2 3 |
FibonacciRecursion.cpp | - |
| 67 | Generate Pascal’s Triangle | Hard | Math, Loops | Generate Pascal’s triangle up to N rows. | Input: 4 → Output: \n 1 \n 1 1 \n1 2 1\n1 3 3 1 |
PascalsTriangle.cpp | - |
| 68 | Find Sum of an AP Series | Medium | Math | Compute the sum of the first N terms of an arithmetic progression. | Input: a=2, d=3, n=5 → Output: 40 |
APSeriesSum.cpp | - |
| 69 | Find Sum of a GP Series | Medium | Math | Compute the sum of the first N terms of a geometric progression. | Input: a=2, r=3, n=4 → Output: 80 |
GPSeriesSum.cpp | - |
| 70 | Find nCr (Binomial Coefficient) | Hard | Math, Combinatorics | Compute the binomial coefficient using factorial formula. | Input: n=5, r=2 → Output: 10 |
BinomialCoefficient.cpp | - |
| 71 | Find HCF using Euclidean Algorithm | Medium | Math | Compute the Highest Common Factor (HCF) using the Euclidean algorithm. | Input: (48, 18) → Output: 6 |
HCF_Euclidean.cpp | - |
| 72 | Find LCM using HCF | Medium | Math | Compute the Least Common Multiple (LCM) using HCF. | Input: (12, 15) → Output: 60 |
LCM_Using_HCF.cpp | - |
| 73 | Check Neon Number | Medium | Math | Check if a number is neon (sum of digits of its square equals the number). | Input: 9 → Output: Yes |
NeonNumber.cpp | - |
| 74 | Check Spy Number | Medium | Math | Check if a number is a spy number (sum of digits equals product of digits). | Input: 1124 → Output: Yes |
SpyNumber.cpp | - |
| 75 | Convert Decimal to Binary | Easy | Number System | Convert a decimal number to binary representation. | Input: 10 → Output: 1010 |
DecimalToBinary.cpp | - |
| 76 | Convert Binary to Decimal | Easy | Number System | Convert a binary number to decimal. | Input: 1010 → Output: 10 |
BinaryToDecimal.cpp | - |
| 77 | Convert Decimal to Octal | Easy | Number System | Convert a decimal number to octal representation. | Input: 10 → Output: 12 |
DecimalToOctal.cpp | - |
| 78 | Convert Octal to Decimal | Easy | Number System | Convert an octal number to decimal. | Input: 12 → Output: 10 |
OctalToDecimal.cpp | - |
| 79 | Convert Decimal to Hexadecimal | Easy | Number System | Convert a decimal number to hexadecimal. | Input: 255 → Output: FF |
DecimalToHexadecimal.cpp | - |
| 80 | Convert Hexadecimal to Decimal | Easy | Number System | Convert a hexadecimal number to decimal. | Input: FF → Output: 255 |
HexadecimalToDecimal.cpp | - |
| 81 | Convert Binary to Octal | Easy | Number System | Convert a binary number to octal. | Input: 1010 → Output: 12 |
BinaryToOctal.cpp | - |
| 82 | Convert Octal to Binary | Easy | Number System | Convert an octal number to binary. | Input: 12 → Output: 1010 |
OctalToBinary.cpp | - |
| 83 | Convert Binary to Hexadecimal | Easy | Number System | Convert a binary number to hexadecimal. | Input: 1010 → Output: A |
BinaryToHexadecimal.cpp | - |
| 84 | Convert Hexadecimal to Binary | Easy | Number System | Convert a hexadecimal number to binary. | Input: A → Output: 1010 |
HexadecimalToBinary.cpp | - |
| 85 | Convert Octal to Hexadecimal | Easy | Number System | Convert an octal number to hexadecimal. | Input: 12 → Output: A |
OctalToHexadecimal.cpp | - |
| 86 | Convert Hexadecimal to Octal | Easy | Number System | Convert a hexadecimal number to octal. | Input: A → Output: 12 |
HexadecimalToOctal.cpp | - |
| 87 | Find ASCII Value of Character | Easy | Strings | Find the ASCII value of a given character. | Input: A → Output: 65 |
ASCIIValue.cpp | - |
| 88 | Swap Two Numbers Without Temp Variable | Easy | Math, Bit Manipulation | Swap two numbers without using a temporary variable. | Input: (3, 5) → Output: (5, 3) |
SwapWithoutTemp.cpp | - |
| 89 | Find Power of a Number | Easy | Math, Recursion | Compute the power of a number using recursion. | Input: (2, 3) → Output: 8 |
PowerRecursion.cpp | - |
| 90 | Compute nCr (Combination Formula) | Medium | Math | Compute combinations using the formula nCr = n! / (r! * (n-r)!). |
Input: (5, 2) → Output: 10 |
CombinationFormula.cpp | - |
| 91 | Compute nPr (Permutation Formula) | Medium | Math | Compute permutations using the formula nPr = n! / (n-r)!. |
Input: (5, 2) → Output: 20 |
PermutationFormula.cpp | - |
| 92 | Convert Uppercase to Lowercase | Easy | Strings | Convert an uppercase string to lowercase. | Input: "HELLO" → Output: "hello" |
UpperToLower.cpp | - |
| 93 | Convert Lowercase to Uppercase | Easy | Strings | Convert a lowercase string to uppercase. | Input: "hello" → Output: "HELLO" |
LowerToUpper.cpp | - |
| 94 | Find Maximum Subarray Sum (Kadane’s Algorithm) | Medium | Arrays, Dynamic Programming | Find the maximum sum of a contiguous subarray using Kadane’s algorithm. | Input: [-2,1,-3,4,-1,2,1,-5,4] → Output: 6 |
KadaneAlgorithm.cpp | - |
| 95 | Find First Non-Repeating Character | Medium | Strings, Hashing | Find the first non-repeating character in a string. | Input: "swiss" → Output: "w" |
FirstNonRepeatingChar.cpp | - |
| 96 | Reverse Words in a Sentence | Medium | Strings | Reverse the words in a given sentence. | Input: "I love coding" → Output: "coding love I" |
ReverseWords.cpp | - |
| 97 | Check for Anagrams | Medium | Strings, Sorting | Check if two strings are anagrams of each other. | Input: ("listen", "silent") → Output: Yes |
CheckAnagram.cpp | - |
| 98 | Longest Common Prefix | Medium | Strings | Find the longest common prefix among an array of strings. | Input: ["flower","flow","flight"] → Output: "fl" |
LongestCommonPrefix.cpp | - |
| 99 | Implement Binary Search | Easy | Searching, Divide & Conquer | Implement binary search to find an element in a sorted array. | Input: ([1, 3, 5, 7, 9], 5) → Output: 2 |
BinarySearch.cpp | - |
| 100 | Implement Selection Sort | Easy | Sorting | Implement selection sort to sort an array. | Input: [64, 25, 12, 22, 11] → Output: [11, 12, 22, 25, 64] |
SelectionSort.cpp | - |
| Sr. No | Problem | Difficulty | Topics | Description | Example | Solution File | Additional Tutorial |
|---|---|---|---|---|---|---|---|
| 101 | Print a Right Angle Triangle of Stars | Easy | Patterns, Loops | Print a right-angle triangle using stars. | Input: 3 → Output: \n* \n** \n*** |
101.PrintARightAngleTriangleofStars.cpp | - |
| 102 | Print a Square of Stars | Easy | Patterns, Loops | Print a square of stars with given size. | Input: 3 → Output: \n*** \n*** \n*** |
102.PrintASquareofStars.cpp | - |
| 103 | Print a Pyramid Pattern | Easy | Patterns, Loops | Print a pyramid pattern using stars. | Input: 3 → Output: \n * \n *** \n***** |
103.PrintAPyramidPattern.cpp | - |
| 104 | Print a Diamond Pattern | Easy | Patterns, Loops | Print a diamond shape using stars. | Input: 3 → Output: \n * \n *** \n***** \n *** \n * |
104.PrintADiamondPattern.cpp | - |
| 105 | Print a Hollow Square of Stars | Medium | Patterns, Loops | Print a hollow square of stars. | Input: 3 → Output: \n*** \n* * \n*** |
105.PrintAHollowSquareofStars.cpp | - |
| 106 | Print a Number Triangle | Easy | Patterns, Loops | Print a right-angle triangle with numbers. | Input: 3 → Output: \n1 \n12 \n123 |
106.PrintANumberTriangle.cpp | - |
| 107 | Print an Inverted Triangle Pattern | Easy | Patterns, Loops | Print an inverted right-angle triangle. | Input: 3 → Output: \n*** \n** \n* |
107.PrintAnInvertedTrianglePattern.cpp | - |
| 108 | Print a Diamond Pattern with Numbers | Medium | Patterns, Loops | Print a diamond pattern using numbers. | Input: 3 → Output: \n 1 \n 121 \n12321 \n 121 \n 1 |
108.PrintADiamondPatternWithNumbers.cpp | - |
| 109 | Print a Right Angle Triangle of Numbers | Easy | Patterns, Loops | Print a right-angle triangle of numbers. | Input: 3 → Output: \n1 \n22 \n333 |
109.PrintARightAngleTriangleOfNumbers.cpp | - |
| 110 | Print a Pyramid Pattern with Numbers | Medium | Patterns, Loops | Print a pyramid pattern with numbers. | Input: 3 → Output: \n 1 \n 121 \n12321 |
110.PrintAPyramidPatternWithNumbers.cpp | - |
| 111 | Print Alternating 0s and 1s | Easy | Patterns, Loops | Print a pattern of alternating 0s and 1s. | Input: 3 → Output: \n0 1 0 \n1 0 1 \n0 1 0 |
111.PrintAlternating0sAnd1s.cpp | - |
| 112 | Print Pascal’s Triangle | Medium | Math, Patterns | Print Pascal’s Triangle up to a given number of rows. | Input: 3 → Output: \n 1 \n 1 1 \n1 2 1 |
112.PrintPascalsTriangle.cpp | - |
| 113 | Print Consecutive Numbers Matrix | Easy | Patterns, Loops | Print a square matrix with consecutive numbers. | Input: 3 → Output: \n1 2 3 \n4 5 6 \n7 8 9 |
113.PrintConsecutiveNumbersMatrix.cpp | - |
| 114 | Print Increasing Width Star Pattern | Easy | Patterns, Loops | Print a star pattern with increasing width. | Input: 3 → Output: \n* \n** \n*** \n** \n* |
114.PrintIncreasingWidthStarPattern.cpp | - |
| 115 | Print Right Angle Triangle with Characters | Easy | Patterns, Loops | Print a right-angle triangle with characters. | Input: 3 → Output: \nA \nB B \nC C C |
115.PrintRightAngleTriangleWithCharacters.cpp | - |
| 116 | Print Checkerboard Pattern | Easy | Patterns, Loops | Print a checkerboard pattern using stars and spaces. | Input: 3 → Output: \n* * * \n * * * \n* * * |
116.PrintCheckerboardPattern.cpp | - |
| 117 | Print Pyramid Pattern of Increasing Stars | Easy | Patterns, Loops | Print a pyramid pattern where each row increases in stars. | Input: 3 → Output: \n * \n *** \n***** |
117.PrintPyramidPatternOfIncreasingStars.cpp | - |
| 118 | Print Border Pattern with Numbers | Medium | Patterns, Loops | Print a border pattern using numbers. | Input: 3 → Output: \n1 1 1 \n1 2 1 \n1 1 1 |
118.PrintBorderPatternWithNumbers.cpp | - |
| 119 | Print Inverted Pyramid Pattern with Characters | Medium | Patterns, Loops | Print an inverted pyramid pattern using characters. | Input: 3 → Output: \nC C C \nB B \nA |
119.PrintInvertedPyramidPatternWithCharacters.cpp | - |
| 120 | Print Cross Pattern with Stars | Medium | Patterns, Loops | Print a cross pattern using stars. | Input: 3 → Output: \n* * \n * * \n * \n * * \n* * |
120.PrintCrossPatternWithStars.cpp | - |
| 121 | Print Spiral Matrix | Hard | Arrays, Loops | Print a matrix in a spiral order. | Input: 3x3 → Output: 1 2 3 6 9 8 7 4 5 |
121.PrintSpiralMatrix.cpp | - |
| 122 | Print Diamond Pattern Increasing Width | Medium | Patterns, Loops | Print a diamond pattern with increasing width. | Input: 3 → Output: \n * \n *** \n***** \n *** \n * |
122.PrintDiamondPatternIncreasingWidth.cpp | - |
| 123 | Print Diamond Pattern with Numbers Increasing | Medium | Patterns, Loops | Print a diamond pattern using increasing numbers. | Input: 3 → Output: \n 1 \n 2 2 \n3 3 3 \n 2 2 \n 1 |
123.PrintDiamondPatternWithNumbersIncreasing.cpp | - |
| 124 | Print Increasing and Decreasing Stars | Medium | Patterns, Loops | Print a pattern where stars increase and then decrease. | Input: 3 → Output: \n* \n** \n*** \n** \n* |
124.PrintIncreasingAndDecreasingStars.cpp | - |
| 125 | Print Zigzag Matrix | Hard | Arrays, Loops | Print a zigzag traversal of a matrix. | Input: 3x3 → Output: 1 2 3 6 5 4 7 8 9 |
125.PrintZigzagMatrix.cpp | - |
| 126 | Print Alternating Character Rows | Easy | Patterns, Loops | Print rows with alternating characters. | Input: 3 → Output: \nA A A \nB B B \nC C C |
126.PrintAlternatingCharacterRows.cpp | - |
| 127 | Print Number Pyramid with Characters | Medium | Patterns, Loops | Print a pyramid with numbers represented as characters. | Input: 3 → Output: \n A \n B B \nC C C |
127.PrintNumberPyramidWithCharacters.cpp | - |
| 128 | Print Diagonal Lines with Characters | Medium | Patterns, Loops | Print diagonal lines using characters. | Input: 3 → Output: \nA \n B \n C |
128.PrintDiagonalLinesWithCharacters.cpp | - |
| 129 | Print Diamond Matrix with Numbers | Hard | Arrays, Patterns | Print a matrix with a diamond pattern of numbers. | Input: 3 → Output: \n 1 \n 2 2 \n3 3 3 \n 2 2 \n 1 |
129.PrintDiamondMatrixWithNumbers.cpp | - |
| 130 | Print Cross Pattern with Diagonals | Hard | Patterns, Loops | Print a cross pattern with diagonal elements. | Input: 3 → Output: \nX X \n X X \n X \n X X \nX X |
130.PrintCrossPatternWithDiagonals.cpp | - |
| 131 | Print Triangular Matrix with Numbers | Medium | Arrays, Patterns | Print a triangular matrix using numbers. | Input: 3 → Output: \n1 \n2 3 \n4 5 6 |
131.PrintTriangularMatrixWithNumbers.cpp | - |
| 132 | Print Star Pattern Increasing & Decreasing Width | Medium | Patterns, Loops | Print a star pattern that first increases and then decreases in width. | Input: 3 → Output: \n* \n** \n*** \n** \n* |
132.PrintStarPatternIncreasingDecreasingWidth.cpp | - |
| 133 | Print Nested Squares Pattern | Hard | Patterns, Loops | Print a pattern of nested squares. | Input: 3 → Output: \n**** \n* * \n**** |
133.PrintNestedSquaresPattern.cpp | - |
| 134 | Print Increasing Characters in Columns | Easy | Patterns, Loops | Print columns with increasing characters. | Input: 3 → Output: \nA B C \nA B C \nA B C |
134.PrintIncreasingCharactersInColumns.cpp | - |
| 135 | Print Matrix with Spiral Diagonals | Hard | Arrays, Patterns | Print a matrix where diagonals form a spiral pattern. | Input: 3x3 → Output: Spiral Diagonal Matrix |
135.PrintMatrixWithSpiralDiagonals.cpp | - |
| 136 | Print Checkerboard Pattern Increasing Size | Medium | Patterns, Loops | Print a checkerboard pattern where size increases. | Input: 3 → Output: \n* * * \n * * \n* * * |
136.PrintCheckerboardPatternIncreasingSize.cpp | - |
| 137 | Print Cross Pattern Increasing Size | Medium | Patterns, Loops | Print a cross pattern where the size increases. | Input: 3 → Output: Cross Pattern |
137.PrintCrossPatternIncreasingSize.cpp | - |
| 138 | Print Alternating Triangles Pattern | Medium | Patterns, Loops | Print alternating triangle patterns. | Input: 3 → Output: \n* \n** \n*** \n** \n* |
138.PrintAlternatingTrianglesPattern.cpp | - |
| 139 | Print Matrix with Diamond Numbers | Hard | Arrays, Patterns | Print a matrix where numbers form a diamond pattern. | Input: 3 → Output: Diamond Matrix |
139.PrintMatrixWithDiamondNumbers.cpp | - |
| 140 | Print Star Pattern Increasing Width Centered | Medium | Patterns, Loops | Print a centered star pattern where width increases. | Input: 3 → Output: \n * \n *** \n***** |
140.PrintStarPatternIncreasingWidthCentered.cpp | - |
| 141 | Print Spiral and Zigzag Pattern | Hard | Arrays, Patterns | Print a matrix with a spiral and zigzag pattern. | Input: 4 → Output: Spiral & Zigzag Matrix |
141.PrintSpiralAndZigzagPattern.cpp | - |
| 142 | Print Alternating Characters Matrix | Medium | Patterns, Loops | Print a matrix with alternating characters. | Input: 3 → Output: \nA B A \nB A B \nA B A |
142.PrintAlternatingCharactersMatrix.cpp | - |
| 143 | Print Nested Triangles Pattern | Medium | Patterns, Loops | Print nested triangles in a pattern. | Input: 3 → Output: Nested Triangle |
143.PrintNestedTrianglesPattern.cpp | - |
| 144 | Print Matrix Increasing Rows & Columns | Medium | Arrays, Patterns | Print a matrix where rows and columns increase. | Input: 3 → Output: \n1 2 3 \n4 5 6 \n7 8 9 |
144.PrintMatrixIncreasingRowsColumns.cpp | - |
| 145 | Print Rows Increasing Characters | Medium | Patterns, Loops | Print rows where characters increase. | Input: 3 → Output: \nA \nA B \nA B C |
145.PrintRowsIncreasingCharacters.cpp | - |
| 146 | Print Diamond Shape Numbers | Hard | Patterns, Loops | Print a diamond pattern using numbers. | Input: 3 → Output: Diamond Number Pattern |
146.PrintDiamondShapeNumbers.cpp | - |
| 147 | Print Cross Pattern Numbers | Medium | Patterns, Loops | Print a cross pattern using numbers. | Input: 3 → Output: Cross Number Pattern |
147.PrintCrossPatternNumbers.cpp | - |
| 148 | Print Concentric Squares Pattern | Hard | Patterns, Loops | Print concentric squares in a pattern. | Input: 3 → Output: Concentric Squares |
148.PrintConcentricSquaresPattern.cpp | - |
| 149 | Print Alternating Rows & Columns Numbers | Medium | Patterns, Loops | Print a matrix where rows and columns alternate with numbers. | Input: 3 → Output: Alternating Numbers |
149.PrintAlternatingRowsColumnsNumbers.cpp | - |
| 150 | Print Zigzag Pattern with Stars | Medium | Patterns, Loops | Print a zigzag pattern using stars. | Input: 3 → Output: Zigzag Star Pattern |
150.PrintZigzagPatternStars.cpp | - |