Top 100 Codes

August 26, 2019

PrepInsta Top 100 Codes

Below You will find some of the most important codes in languages like C, C++ and Java. These codes are of prime importance for college semester exams and also for various online tests and interviews of the companies offering placements within varying range in LPA.

These codes are very important since these will help you clear your basic concepts in various languages.

Positive or Negative number: C | C++ | Java
Even or Odd number: C | C++ | Java
Sum of First N Natural numbers: C | C++ | Java
Sum of N natural numbers: C | C++ | Java
Sum of numbers in a given range: C | C++ | Java
Greatest of two numbers: C | C++ | Java
Greatest of the Three numbers: C | C++ | Java
Leap year or not: C | C++ | Java
Prime number: C | C++ | Java
Prime number within a given range: C | C++ | Java
Factorial of a number: C | C++ | Java
Sum of digits of a number: C | C++ | Java
Reverse of a number : C | C++ | Java
Palindrome number: C | C++ | Java
Armstrong number : C | C++ | Java
Armstrong number in a given range : C | C++ | Java
Fibonacci Series upto nth term : C | C++ | Java
Factorial of a number : C | C++ | Java
Power of a number : C | C++ | Java
Factor of a number : C | C++ | Java
Strong number : C | C++ | Java
Perfect number : C | C++ | Java
Automorphic number : C | C++ | Java
Harshad number : C | C++ | Java
Abundant number : C| C++ | Java
Friendly pair : C | C++ | Java

Highest Common Factor(HCF): C | C++ | Java
Lowest Common Multiple (LCM) : C | C++ | Java
Greatest Common Divisor : C | C++ | Java
Binary to Decimal to conversion : C | C++ | Java
Binary to Octal conversion : C | C++ | Java
Decimal to Binary conversion: C | C++ | Java
Decimal to octal Conversion: C | C++ | Java
Octal to Binary conversion : C | C++ | Java
Octal to Decimal conversion : C | C++ | Java
Quadrants in which a given coordinate lies : C | C++ | Java
Permutations in which n people can occupy r seats in a classroom : C | C++ | Java
Maximum number of handshakes: C | C++ | Java
Addition of two fractions: C | C++ | Java
Replace all 0’s with 1 in a given integer : C | C++ | Java
Can a number be expressed as a sum of two prime numbers
: C | C++ | Java

Important Codes related to Arrays

Program for Pyramid star pattern
Program for Pyramid number pattern
Program for Palindromic pyramid pattern
Program for Diamond star pattern
Program for Diamond number pattern
Program for Floyd’s Triangle
Program for Pascal triangle
Program for Smallest element in the array
Program for Largest element in the array
Program for Sum of elements in an array
Program to Check array similarity
Program for Reverse of an array.
Program for Square sum
Program for Second smallest element in the array
Program for Longest palindrome in the array
Program for Distinct element in the array
Program for Non- repeating element in the array
Program for Repeating element in an array
Program for Minimum scalar product
Program for Maximum scalar product