在Java中,Scanner是最常见的输入方式,但是当需要读取大量的数据时,使用Scanner就会变得很慢。这时候就可以使用Java快读快写来提高效率。 使用Java快读快写的前提是需要了解IO流的相关知识。读取数据时可以使用BufferedReader类,写入数据时可以使用BufferedWriter类。BufferedReader的readLine方法可以一次读取一行数据,而...
java 快读快写 原题: 棋盘 import java.io.*; import java.util.*; public class Main { static int N = 2005; static int[][] b = new int[N][N]; static int n, m; static int x1, y1, x2, y2; public static void insert(int x1, int y1, int x2, int y2) { b[x1][y1] ...
Java 牛客刷题快读快写模板 import java.io.*; import java.math.BigInteger; import java.util.StringTokenizer; //自定义快读 Read class Read { public BufferedReader reader; public StringTokenizer tokenizer; public Read(InputStream stream) { reader = new BufferedReader(new InputStreamReader(stream),...
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException{ StreamTokenizer in = new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in))); in.nextToken(); int n = (int) in.nval; TreeSet<Integer> intSet = new ...
Java快读写法 简介:Java快读写法 import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.util.StringTokenizer;public class Main {static PrintWriter out=new PrintWriter(System.out);static FastReader in=new FastReader();}class ...
快读快写 writer.flush();这个很重要不然不会输出 import java.io.*; import java.util.Scanner; public class Main { static int N=2010; static int[][] b=new int[N][N]; public static void main(String[] args) throws IOException { Scanner scanner=new Scanner(new BufferedInputStream(System.in...