結果

問題 No.178 美しいWhitespace (1)
ユーザー amyuamyu
提出日時 2016-06-03 22:31:26
言語 Java21
(openjdk 21)
結果
AC  
実行時間 51 ms / 2,000 ms
コード長 3,937 bytes
コンパイル時間 2,394 ms
コンパイル使用メモリ 78,676 KB
実行使用メモリ 37,076 KB
最終ジャッジ日時 2024-10-08 06:49:42
合計ジャッジ時間 4,254 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge4
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 43 ms
36,956 KB
testcase_01 AC 43 ms
36,972 KB
testcase_02 AC 45 ms
36,988 KB
testcase_03 AC 45 ms
36,992 KB
testcase_04 AC 47 ms
37,040 KB
testcase_05 AC 45 ms
36,748 KB
testcase_06 AC 51 ms
36,808 KB
testcase_07 AC 48 ms
36,992 KB
testcase_08 AC 47 ms
36,672 KB
testcase_09 AC 46 ms
37,044 KB
testcase_10 AC 48 ms
36,740 KB
testcase_11 AC 47 ms
36,740 KB
testcase_12 AC 46 ms
36,552 KB
testcase_13 AC 46 ms
36,908 KB
testcase_14 AC 47 ms
36,560 KB
testcase_15 AC 48 ms
37,076 KB
testcase_16 AC 46 ms
36,900 KB
testcase_17 AC 46 ms
36,680 KB
testcase_18 AC 47 ms
36,944 KB
testcase_19 AC 48 ms
36,920 KB
testcase_20 AC 46 ms
36,568 KB
testcase_21 AC 45 ms
37,028 KB
testcase_22 AC 47 ms
36,852 KB
testcase_23 AC 46 ms
36,580 KB
testcase_24 AC 46 ms
36,992 KB
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ソースコード

diff # 

import java.util.*;
import java.io.*;

public class Main{
    static final Reader sc = new Reader();
    static final PrintWriter out = new PrintWriter(System.out,false);

    public static void main(String[] args) throws Exception {
    	int n = sc.nextInt();
    	long[] a = new long[n];
    	long[] b = new long[n];
    	long[] c = new long[n];
    	long max = 0;
    	for(int i=0;i<n;i++){
    		a[i] = sc.nextLong();
    		b[i] = sc.nextLong();
    		c[i] = a[i] + 4*b[i];
    		max = Math.max(max,c[i]);
    	}
    	long ans = 0;
    	boolean flag = true;
    	for(int i=0;i<n;i++){
    		ans += (max-c[i])/2;
    		if((max-c[i])%2==1){
    			flag = false;
    		}
    	}
    	if(!flag){
    		out.println(-1);
    	}
    	else{
    		out.println(ans);
    	}
    	out.flush();
        sc.close();
        out.close();
    }

    static void trace(Object... o) { System.out.println(Arrays.deepToString(o));}
}

class Reader {

    private final InputStream in;
    private final byte[] buf = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

    public Reader() { this(System.in);}
    public Reader(InputStream source) { this.in = source;}

    private boolean hasNextByte() {
        if (ptr < buflen) return true;
        ptr = 0;
        try{
            buflen = in.read(buf);
        }catch (IOException e) {e.printStackTrace();}
        if (buflen <= 0) return false;
        return true;
    }

    private int readByte() { if (hasNextByte()) return buf[ptr++]; else return -1;}

    private boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}

    private void skip() { while(hasNextByte() && !isPrintableChar(buf[ptr])) ptr++;}

    public boolean hasNext() {skip(); return hasNextByte();}

    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }

    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        boolean minus = false;
        long num = readByte();

        if(num == '-'){
            num = 0;
            minus = true;
        }else if (num < '0' || '9' < num){
            throw new NumberFormatException();
        }else{
            num -= '0';
        }

        while(true){
            int b = readByte();
            if('0' <= b && b <= '9')
                num = num * 10 + (b - '0');
            else if(b == -1 || !isPrintableChar(b))
                return minus ? -num : num;
            else
                throw new NoSuchElementException();
        }
    }

    public int nextInt() {
        long num = nextLong();
        if (num < Integer.MIN_VALUE || Integer.MAX_VALUE < num)
            throw new NumberFormatException();
        return (int)num;
    }

    public double nextDouble() {
        return Double.parseDouble(next());
    }

    public char nextChar() {
        if (!hasNext()) throw new NoSuchElementException();
        return (char)readByte();
    }

    public String nextLine() {
        while (hasNextByte() && (buf[ptr] == '\n' || buf[ptr] == '\r')) ptr++;
        if (!hasNextByte()) throw new NoSuchElementException();

        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (b != '\n' && b != '\r') {
            sb.appendCodePoint(b);
            b = readByte();
        }

        return sb.toString();
    }

    public int[] nextIntArray(int n) {
        int[] res = new int[n];
        for (int i=0; i<n; i++) res[i] = nextInt();
        return res;
    }

    public char[] nextCharArray(int n) {
        char[] res = new char[n];
        for (int i=0; i<n; i++) res[i] = nextChar();
        return res;
    }

    public void close() {try{ in.close();}catch(IOException e){ e.printStackTrace();}};
}
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