Submission #1305868

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Source Code Expand

import java.io.*;
import java.math.*;
import java.util.*;

public class Main {
    private static boolean debug = false;
    private static boolean elapsed = false;

    private static PrintWriter _out = new PrintWriter(System.out);
    private static PrintWriter _err = new PrintWriter(System.err);

    private void solve(Scanner sc) {
        String S = sc.nextLine();
        boolean n = false;
        boolean s = false;
        boolean w = false;
        boolean e = false;
        for (int i = 0; i < S.length(); ++i) {
            char ch = S.charAt(i);
            switch (ch) {
                case 'N':
                    n = true;
                    break;
                case 'S':
                    s = true;
                    break;
                case 'W':
                    w = true;
                    break;
                case 'E':
                    e = true;
                    break;
            }
        }
        if (s && n && w && e || s && n && !w && !e || !s && !n && w && e) {
            _out.println("Yes");
        } else {
            _out.println("No");
        }
    }
    private static BigInteger C(long n, long r) {
        BigInteger res = BigInteger.ONE;
        for (long i = n; i > n - r; --i) {
            res = res.multiply(BigInteger.valueOf(i));
        }
        for (long i = r; i > 1; --i) {
            res = res.divide(BigInteger.valueOf(i));
        }
        return res;
    }
    private static BigInteger P(long n, long r) {
        BigInteger res = BigInteger.ONE;
        for (long i = n; i > n - r; --i) {
            res = res.multiply(BigInteger.valueOf(i));
        }
        return res;
    }
    /*
     * 10^10 > Integer.MAX_VALUE = 2147483647 > 10^9
     * 10^19 > Long.MAX_VALUE = 9223372036854775807L > 10^18
     */
    public static void main(String[] args) {
        long S = System.currentTimeMillis();

        Scanner sc = new Scanner(System.in);
        new Main().solve(sc);
        _out.flush();

        long G = System.currentTimeMillis();
        if (elapsed) {
            _err.println((G - S) + "ms");
        }
        _err.flush();
    }
}

Submission Info

Judge Result