kotlin 查找id

A prime number is a natural number that is greater than 1 and cannot be formed by multiplying two smaller natural numbers.

質數是大于1的自然數，不能通過將兩個較小的自然數相乘而形成。

Given a range start and end, we have to print all prime numbers between start and end (including start and end).

給定范圍start和end ，我們必須打印start和end之間的所有素數(包括start和end )。

Example:

例：

Input:start = 1end = 100Output:[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97]

程序在Kotlin中查找給定范圍內的質數 (Program to find prime numbers in a given range in Kotlin)

/*** Kotlin Program to find out Prime Numbers between * given Range(include START and END)* A prime number is a whole number greater than 1 * whose only factors are 1 and itself.* e.g 7, 11, 13, 17 */package com.includehelp.basicimport java.util.*//Function to check Prime Number fun findPrimeNo(number: Long): Boolean {if(number<2) return falsefor (i in 2.toLong()..number/2) {if (number % i == 0.toLong()) {return false}}return true }//Main Function, Entry Point of Program fun main(arg: Array<String>) {//Input Streamval sc = Scanner(System.`in`)//Input Start of Rangeprint("Enter Start of Range : ")val start: Long = sc.nextLong()//Input End of Rangeprint("Enter End of Range : ")val end: Long = sc.nextLong()//Declare Mutable List to hold factorsval list: MutableList<Long> = ArrayList()//iterate through loop start to end to find Prime number in Rangefor (i in start..end) {if (findPrimeNo(i)) {list.add(i)}}println("Prime Numbers from $start to $end : $list") }

Output

輸出量

Run 1: Enter Start of Range : 1 Enter End of Range : 100 Prime Numbers from 1 to 100 : [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97] --- Run 2: Enter Start of Range : 333 Enter End of Range : 999 Prime Numbers from 333 to 999 : [337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997]

翻譯自: https://www.includehelp.com/kotlin/find-prime-numbers-between-given-range.aspx

kotlin 查找id

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