알고리즘 및 자료구조/문제
백준알고리즘 1978번 소수 찾기
ktko
2018. 5. 9. 12:36
백준알고리즘
https://www.acmicpc.net/problem/1978
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int input = Integer.parseInt(scan.nextLine().trim()); int result = 0; for(int i=0; i < input; i++) { int data = scan.nextInt(); if(data == 1) { continue; } int count = 0; for(int j = 2; j <= data; j++) { if(count > 2) { break; } if( j < data && data % j == 0) { break; } if(j == data && data % j == 0) { result++; } } } System.out.println(result); scan.close(); } }