#388682 (Java21) No.904 サメトロ

• 問題: No.904 サメトロ
• ユーザー: uwi
• 提出日時: 2019-10-11 21:23:27
• 言語: Java21 (openjdk 21)
• 結果: WA
• 実行時間: -
• コード長: 3,203 bytes
• コンパイル時間: 3,379 ms
• コンパイル使用メモリ: 87,140 KB
• 実行使用メモリ: 51,704 KB
• 最終ジャッジ日時: 2024-11-25 06:24:27
• 合計ジャッジ時間: 6,032 ms
• ジャッジサーバーID （参考情報）: judge1 / judge2

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	49 ms; 49,760 KB
testcase_01	WA	-
testcase_02	AC	50 ms; 50,104 KB
testcase_03	WA	-
testcase_04	AC	49 ms; 50,204 KB
testcase_05	AC	49 ms; 49,808 KB
testcase_06	AC	49 ms; 50,196 KB
testcase_07	WA	-
testcase_08	AC	51 ms; 49,972 KB
testcase_09	AC	52 ms; 49,984 KB
testcase_10	WA	-
testcase_11	WA	-
testcase_12	AC	50 ms; 50,012 KB
testcase_13	WA	-
testcase_14	WA	-
testcase_15	AC	48 ms; 50,028 KB
testcase_16	WA	-
testcase_17	AC	50 ms; 49,720 KB
testcase_18	AC	50 ms; 50,016 KB
testcase_19	WA	-
testcase_20	AC	50 ms; 49,908 KB
testcase_21	WA	-
testcase_22	AC	49 ms; 50,160 KB
testcase_23	WA	-
testcase_24	AC	49 ms; 50,156 KB
testcase_25	WA	-
testcase_26	WA	-
testcase_27	AC	49 ms; 49,868 KB
testcase_28	AC	50 ms; 49,664 KB
testcase_29	AC	50 ms; 50,048 KB
testcase_30	WA	-
testcase_31	AC	50 ms; 49,848 KB
testcase_32	AC	48 ms; 50,116 KB
testcase_33	AC	49 ms; 49,900 KB
testcase_34	AC	50 ms; 49,692 KB
testcase_35	AC	49 ms; 50,112 KB

ソースコード

package contest1910;
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 B {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int as = 0;
		int bs = 0;
		for(int i = 0;i < n-1;i++) {
			as += ni();
			bs += ni();
		}
		if(as > bs) {
			int d = as; as = bs; bs = d;
		}
		out.println(bs-(bs-as)+1);
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		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 B().run(); }
	
	private byte[] inbuf = new byte[1024];
	public 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 int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	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[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	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)); }
}