Read or initialize base and exponent. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. 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To calculate the power of any number, the base number and an exponent are required. // Two integers x and n (separated by space). Steps to Find Power of a Number. Using the while loop, we keep on multiplying the result by base until the exponent becomes zero. x raise to the power n) // Constraints: // 0 <= x <= 8, 0 <= n <= 9 // Sample Input 1 : // 3 4 Note: For this question, you can assume that 0 raised to the power of 0 is 1 Input format : Assignment Lecture 3 Conditionals and Loops. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch? Learn more about bidirectional Unicode characters. You signed in with another tab or window. Syntax: This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. x^n). Note : For this question, you can assume that 0 raised to the power of 0 is 1 Input format : Output Format : Constraints: Sample Input 1 : Sample Output 1 : Sample Input 2 : // Input format : // Two integers x and n (separated by space) // Output Format : // x^n (i.e. To review, open the file in an editor that reveals hidden Unicode characters. But we're not ones to leave you hanging. These are: To calculate the power of any number, the base number and an exponent are required. There are different ways of doing the same thing, especially when you are programming. Print the result. Find power of a number September 28, 2022 by admin Write a program to find x to the power n (i.e. Using the for loop or while loop, multiply the base by power and store the result into power. You signed in with another tab or window. Below are the various ways to find N P: Method 1: Using Recursion Java class GFG { static int power (int N, int P) { if (P == 0) return 1; else return N * power (N, P - 1); } public static void main (String [] args) { int N = 2; int P = 3; System.out.println (power (N, P)); } } Output 8 Method 2: With the help of Loop Java class GFG { Take x and n from the user. In Java, three techniques are used primarily to find the power of any number. ___________________________________________________________________________________________________________________. You need to print the answer. To understand this lesson, the level of difficulty is low, but the basic understanding of Java arithmetic operators, data types, basic input/output and loop is necessary.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'w3schools_in-box-2','ezslot_1',131,'0','0'])};__ez_fad_position('div-gpt-ad-w3schools_in-box-2-0'); In Java, three techniques are used primarily to find the power of any number. x^n). You need to print the answer. Take x and n from the user. Answer = 81 In this program, base and exponent are assigned values 3 and 4 respectively. Take x and n from the user. // Write a program to find x to the power n (i.e. in Kotlin you have shl instead of << so You need to print the answer. A tag already exists with the provided branch name. To review, open the file in an editor that reveals hidden Unicode characters. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Calculate the power of a number by through pow () function. x raise to the power n) Sample Input 1 : 3 4: Sample Output 1 : 81: Sample Input 2 : 2 5: Sample Output 2 : 32 _____ import java . Example 2: Calculate the power of a number using a for loop Learn more about bidirectional Unicode characters. 18 Answers Sorted by: 61 When it's power of 2. Find power of a number: Write a program to find x to the power n (i.e. Take in mind, that you can use simple and fast shift expression 1 << exponent example: 2 2 = 1 << 2 = (int) Math.pow (2, 2) 2 10 = 1 << 10 = (int) Math.pow (2, 10) For larger exponents (over 31) use long instead 2 32 = 1L << 32 = (long) Math.pow (2, 32) btw. Cannot retrieve contributors at this time. // Find power of a number // Send Feedback // Write a program to find x to the power n (i.e. Find power of a number Last Updated: 4 Feb, 2021 Difficulty: Easy PROBLEM STATEMENT Try Problem Write a program to find x to the power n (i.e., x^n). In the above program, the base number and exponent values have been assigned 2 and 3, respectively. Take another variable ( power) to store the result and initialize it to 1. x^n). These are: Calculate the power of a number through while loop . Are you sure you want to create this branch? Repeat the above step (3) until the exponent becomes 0. Go back to home Take x and n from the user. For the numerical input value, you can use predefined standard values, or take input from the user through scanner class, or take it through command line arguments. Take x and n from the user. Code navigation not available for this commit. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Input format : Two integers x and n (separated by space) Output Format : x^n (i.e. In this case, we multiply result by base 4 times in total, so result = 1 * 3 * 3 * 3 * 3 = 81. Find power of a number 404 - That's an error. Head to our homepage for a full catalog of awesome stuff. Calculate the power of a number by through for loop . You need to print the answer. You need to print the answer. x^n). Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. In Java, there are several ways to do the same thing, and in this tutorial, various techniques have been demonstrated to calculate the power of a number. A tag already exists with the provided branch name. Review, open the file in an editor that reveals hidden Unicode characters interpreted or compiled differently what... To a fork outside of the repository belong to any branch on repository. // Send Feedback // Write a program to find x to the power of number. To 1. x^n ) many Git commands accept both tag and branch names, so creating this branch this... & # x27 ; s an error Java, three techniques are used to... Output format: x^n ( i.e an error September 28, 2022 by Write. 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