【Codeforces 493D】Vasya and Chess
【链接】 我是链接,点我呀:)
【题意】
【题解】
会发现两个皇后之间如果只有奇数个位置 也就是n%2==1 那么第二个人总是赢的 因为如果white往下跑的话,black也能往下跑。 第二个人没有输的机会。 其他情况就是第一个人赢了...【代码】
import java.io.*;
import java.util.*;
public class Main {
static InputReader in;
static PrintWriter out;
public static void main(String[] args) throws IOException{
//InputStream ins = new FileInputStream("E:\\rush.txt");
InputStream ins = System.in;
in = new InputReader(ins);
out = new PrintWriter(System.out);
//code start from here
new Task().solve(in, out);
out.close();
}
static int N = 50000;
static class Task{
int n;
public void solve(InputReader in,PrintWriter out) {
n = in.nextInt();
if ( n%2==0) {
out.println("white\n1 2");
}else {
out.println("black");
}
}
}
static class InputReader{
public BufferedReader br;
public StringTokenizer tokenizer;
public InputReader(InputStream ins) {
br = new BufferedReader(new InputStreamReader(ins));
tokenizer = null;
}
public String next(){
while (tokenizer==null || !tokenizer.hasMoreTokens()) {
try {
tokenizer = new StringTokenizer(br.readLine());
}catch(IOException e) {
throw new RuntimeException(e);
}
}
return tokenizer.nextToken();
}
public int nextInt() {
return Integer.parseInt(next());
}
}
}