Task: | Loops |
Sender: | jeroenrobben |
Submission time: | 2018-09-13 13:44:18 +0300 |
Language: | Java |
Status: | COMPILE ERROR |
Compiler report
input/Loops.java:3: error: class Main2 is public, should be declared in a file named Main2.java public class Main2 { ^ 1 error
Code
import java.util.Scanner; public class Main2 { public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextLong(); //long n = 5000000000l; System.out.println(calculate2(n)); //System.out.println(calculate2(n)); // scan.close(); } public static long calculate(long n) { return (long) ( (Math.pow(n, 3) / 6.0 ) + (Math.pow(n, 2) / 2.0 ) + ( n/ 3.0 ) ); } public static long calculate2(long n) { return (n*(2l + n*(n + 3l))) / 6l; } }