結果

問題 No.265 数学のテスト
コンテスト
ユーザー uwi
提出日時 2015-08-09 20:53:10
言語 Java
(openjdk 23)
結果
WA  
(最新)
AC  
(最初)
実行時間 -
コード長 4,141 bytes
コンパイル時間 4,359 ms
コンパイル使用メモリ 88,336 KB
実行使用メモリ 43,960 KB
最終ジャッジ日時 2024-11-24 11:28:26
合計ジャッジ時間 8,750 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 31 WA * 1
権限があれば一括ダウンロードができます

ソースコード

diff # 

package contest;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class Q605 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	int pos = 0;
	char[] s;
	int D;
	
	void solve()
	{
		int n = ni();
		D = ni();
		s = ns().toCharArray();
		long[] res = expr();
		for(int i = 0;i <= D;i++){
			out.print(res[i] + " ");
		}
		out.println();
	}
	
	long[] expr() {
		long[] ret = item();
		while(pos < s.length && s[pos] == '+'){
			pos++;
			long[] res = item();
			for(int i = 0;i < res.length;i++){
				ret[i] += res[i];
			}
		}
		return ret;
	}
	
	long[] item() {
		if(s[pos] == 'd'){
			pos++; pos++;
			long[] f = expr();
			for(int i = 1;i < f.length;i++){
				f[i-1] = f[i] * i;
				f[i] = 0;
			}
			pos++; // }
			return f;
		}else{
			int e = 0;
			long c = 1;
			while(true){
				if(s[pos] == 'x'){
					e++;
					pos++;
				}else{
					c *= s[pos]-'0';
					pos++;
				}
				if(pos >= s.length || s[pos] == '}' || s[pos] == '+')break;
				pos++;
			}
			long[] ret = new long[D+1];
			ret[e] = c;
			return ret;
		}
	}
	
	void run() throws Exception
	{
//		int n = 50000, m = 99999;
//		Random gen = new Random();
//		StringBuilder sb = new StringBuilder();
//		sb.append(n + " ");
//		sb.append(10 + " ");
//		for (int i = 0; i < n/3; i++) {
//			sb.append("d{");
//		}
//		sb.append("8");
//		for (int i = 0; i < n/3; i++) {
//			sb.append("}");
//		}
//		INPUT = sb.toString();
		
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
			@Override
			public void run() {
				long s = System.currentTimeMillis();
				solve();
				out.flush();
				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
			}
		};
		t.start();
		t.join();
	}
	
	public static void main(String[] args) throws Exception { new Q605().run(); }
	
	private byte[] inbuf = new byte[1024];
	private int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private char[][] nm(int n, int m)
	{
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private int ni()
	{
		int num = 0, b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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