常規輸入輸出絕壁有毒～

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.math.BigDecimal;

import java.math.BigInteger;

import java.util.StringTokenizer;

public class Main {

public static void main(String[] args) {

InputReader in = new InputReader();

PrintWriter out = new PrintWriter(System.out);

out.close();

}

}

class InputReader {

BufferedReader buf;

StringTokenizer tok;

InputReader() {

buf = new BufferedReader(new InputStreamReader(System.in));

}

boolean hasNext() {

while (tok == null || !tok.hasMoreElements()) {

try {

tok = new StringTokenizer(buf.readLine());

} catch (Exception e) {

return false;

}

}

return true;

}

String next() {

if (hasNext())

return tok.nextToken();

return null;

}

int nextInt() {

return Integer.parseInt(next());

}

long nextLong() {

return Long.parseLong(next());

}

double nextDouble() {

return Double.parseDouble(next());

}

BigInteger nextBigInteger() {

return new BigInteger(next());

}

BigDecimal nextBigDecimal() {

return new BigDecimal(next());

}

}

總結

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