# Status Problem Level Completes Likes 1 find the Arithmetic Progression sequence Beginner % 2 2 Find the Nth-term in a given arithmetic progression Beginner % 0 3 Find the number of pairs with odd XOR Beginner % 2 4 Given two coordinates, Print the line equation Beginner % 0 5 Evaluation of Prefix Expressions (Polish Notation) | Set 2 Medium % 0 6 Check if Number is divisible by its digits Beginner % 0 7 Evaluation of Prefix Expressions (Polish Notation) | Set 1 Medium % 0 8 Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2 Medium % 0 9 Check if Arithmetic Expression contains duplicate parenthesis Medium % 0 10 Convert Prefix to Postfix Expression Medium % 0 11 Convert Postfix to Prefix Expression Medium % 0 12 Convert Postfix to Infix Expression Medium % 0 13 Convert Infix to Prefix Expression Medium % 0 14 Convert Infix to Postfix Expression Medium % 0 15 Evaluation of Infix expressions Medium % 0 16 Convert Prefix to Infix Expression Medium % 0 17 Infix, Postfix and Prefix Notations/Expressions Beginner % 0 18 Check if given number is perfect square - O(√N) Solution Beginner % 0 19 Find the roots of Quadratic Equation – Java Program Beginner % 0 20 Calculate Logn base r – Java Implementation Beginner % 0 21 Find the Area and Perimeter of Rectangle – Java Program Beginner % 0 22 Find the Area of Triangle using base and height - Java Program Beginner % 0 23 Calculate Log2n without using built-in function Beginner % 1 24 Find the Circumference of a Circle - Java Program Beginner % 0 25 Floyd’s Triangle – Java Implementation Beginner % 0 26 Java Program to determine if Given Year is Leap Year Beginner % 0 27 Find number of Distinct Permutations of a String Medium % 0 28 Find the Area of a Circle - Java Program Beginner % 0 29 Divide with power of 2 without using pow() or / operator Beginner % 1 30 Minimum number of guesses needed to find a specific number Beginner % 0 31 Find the Area of a Triangle Using coordinates Beginner % 0 32 Java Program to find if Triangle can be formed using given 3 sides Beginner % 0 33 Find the Area of a Triangle Given Three Sides – Heron’s Formula Beginner % 0 34 Find Factorial of a given Number Beginner % 0 35 Euclidean algorithm - Greatest Common Divisor(GCD) Beginner % 0 find the Arithmetic Progression sequence Find the Nth-term in a given arithmetic progression Find the number of pairs with odd XOR Given two coordinates, Print the line equation Evaluation of Prefix Expressions (Polish Notation) | Set 2 Check if Number is divisible by its digits Evaluation of Prefix Expressions (Polish Notation) | Set 1 Evaluation of Postfix Expressions (Polish Postfix notation) | Set 2 Check if Arithmetic Expression contains duplicate parenthesis Convert Prefix to Postfix Expression Convert Postfix to Prefix Expression Convert Postfix to Infix Expression Convert Infix to Prefix Expression Convert Infix to Postfix Expression Evaluation of Infix expressions Convert Prefix to Infix Expression Infix, Postfix and Prefix Notations/Expressions Check if given number is perfect square - O(√N) Solution Find the roots of Quadratic Equation – Java Program Calculate Logn base r – Java Implementation Find the Area and Perimeter of Rectangle – Java Program Find the Area of Triangle using base and height - Java Program Calculate Log2n without using built-in function Find the Circumference of a Circle - Java Program Floyd’s Triangle – Java Implementation Java Program to determine if Given Year is Leap Year Find number of Distinct Permutations of a String Find the Area of a Circle - Java Program Divide with power of 2 without using pow() or / operator Minimum number of guesses needed to find a specific number Find the Area of a Triangle Using coordinates Java Program to find if Triangle can be formed using given 3 sides Find the Area of a Triangle Given Three Sides – Heron’s Formula Find Factorial of a given Number Euclidean algorithm - Greatest Common Divisor(GCD) 1
