結果

問題 No.2451 Redistribute Integers
ユーザー AsahiAsahi
提出日時 2023-09-01 21:54:37
言語 Java21
(openjdk 21)
結果
AC  
実行時間 157 ms / 2,000 ms
コード長 4,971 bytes
コンパイル時間 2,420 ms
コンパイル使用メモリ 83,244 KB
実行使用メモリ 43,700 KB
最終ジャッジ日時 2024-06-11 11:02:54
合計ジャッジ時間 5,660 ms
ジャッジサーバーID
(参考情報)
judge5 / judge4
このコードへのチャレンジ
(要ログイン)

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 44 ms
37,248 KB
testcase_01 AC 45 ms
37,112 KB
testcase_02 AC 45 ms
36,984 KB
testcase_03 AC 43 ms
37,164 KB
testcase_04 AC 139 ms
43,536 KB
testcase_05 AC 50 ms
37,236 KB
testcase_06 AC 46 ms
36,824 KB
testcase_07 AC 45 ms
37,196 KB
testcase_08 AC 157 ms
43,700 KB
testcase_09 AC 47 ms
37,020 KB
testcase_10 AC 47 ms
37,240 KB
testcase_11 AC 49 ms
37,168 KB
testcase_12 AC 103 ms
40,244 KB
testcase_13 AC 117 ms
43,164 KB
testcase_14 AC 125 ms
43,360 KB
testcase_15 AC 114 ms
41,592 KB
testcase_16 AC 107 ms
41,116 KB
testcase_17 AC 117 ms
42,396 KB
testcase_18 AC 114 ms
43,388 KB
testcase_19 AC 80 ms
39,040 KB
testcase_20 AC 115 ms
42,908 KB
testcase_21 AC 127 ms
43,652 KB
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ソースコード

diff #

import java.util.*; import java.io.*;
import java.math.*; import java.util.stream.*;

class Main implements Runnable{

    // introduced in Java 16
    record pair(int first , int second) { } 

    void solve() {  
        int n = in.nextInt();
        long [] A = in.LongArray(n);
        long sum = 0 ;
        boolean ok = true ;
        for(int i = 0 ; i < n ; i ++ ) {
            sum += A[i];
        }
        for(int i = 0 ; i < n - 1 ; i ++ ) {
            ok &= (A[i] - A[i + 1]) % n == 0 ;
        }
        out.println(sum % n == 0 && ok ? "Yes":"No");
    }  

    public static void main(String[] args) {
        new Thread(null, new Main(), "", Runtime.getRuntime().maxMemory()).start(); 
    }

    public void run() {   
        solve();
        out.flush();
    }
    
    PrintWriter out = new PrintWriter(System.out);
    In in = new In();

}

class In{

    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;

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

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

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

    public boolean hasNext() { 
        while(hasNextByte() && !isPrintableChar(buffer[ptr])) {
            ptr++; 
        }
        return hasNextByte();
    }

    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();
    }

    long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true){
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            }else if(b == -1 || !isPrintableChar(b)){
                return minus ? -n : n;
            }else{
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
        return (int) nl;
    }
    double nextDouble() { 
        return Double.parseDouble(next());
    }
    char nextChar() {
        return next().charAt(0);
    }
    
    int [] IntArray(int n) {
        final int [] Array = new int [n];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = nextInt();
        }
        return Array;
    }
    int [][] IntArray(int n , int m) {
        final int [][] Array = new int [n][m];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = IntArray(m);
        }
        return Array;
    }   
    long [] LongArray(int n) {
        final long [] Array = new long [n];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = nextLong();
        }
        return Array;
    }
    long [][] LongArray(int n , int m) {
        final long [][] Array = new long [n][m];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = LongArray(m);
        }
        return Array;
    }
    String [] StringArray(int n) {
        final String [] Array = new String [n];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = next();
        }
        return Array;
    }
    char [] CharArray(int n) {
        final char [] Array = new char[n];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = next().charAt(0);
        }
        return Array;
    }
    char [][] CharArray(int n , int m) {
        final char [][] Array = new char [n][m];
        for(int i = 0 ; i < n ; i ++ ) {
            Array[i] = next().toCharArray();
        }
        return Array;
    }
    char [][] CharArray2(int n , int m) {
        final char [][] Array = new char [n][m];
        for(int i = 0 ; i < n ; i ++ ) {
            for(int j = 0 ; j < n ; j ++ ) {
                Array[i][j] = next().charAt(0);
            }
        }
        return Array;
    }
    List<Integer> [] Graph(int n) {
        @SuppressWarnings("unchecked")
        List<Integer> [] G = new ArrayList[n];
        for(int i = 0 ; i < n ; i ++ ) {
            G[i] = new ArrayList<>();
        }
        return G ;
    }
}
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