結果
問題 | No.133 カードゲーム |
ユーザー | k_6101 |
提出日時 | 2019-03-27 02:15:22 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,388 bytes |
コンパイル時間 | 2,529 ms |
コンパイル使用メモリ | 80,668 KB |
実行使用メモリ | 37,312 KB |
最終ジャッジ日時 | 2024-10-11 01:39:09 |
合計ジャッジ時間 | 4,543 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | WA | - |
testcase_01 | WA | - |
testcase_02 | AC | 55 ms
37,192 KB |
testcase_03 | AC | 55 ms
37,076 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 54 ms
37,084 KB |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
ソースコード
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.math.BigDecimal; import java.util.AbstractMap; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.Deque; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Queue; import java.util.Set; import java.util.TreeSet; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; MyInput in = new MyInput(inputStream); PrintWriter out = new PrintWriter(outputStream); Solver solver = new Solver(); solver.solve(1, in, out); out.close(); } // ====================================================================== // 4 <= N <= 10 : カードの全数 // 2 <= K <= 4 : 選択するカード数 // 1 <= Si <= 99 : N枚のカードに書かれている数字 // // 選択した K枚のカードを並べて作れる整数の種類は? // // 組み合わせと順列の処理 → 順列とビット数の計算は人のルーチンの変形 // static class Solver { public void solve(int testNumber, MyInput in, PrintWriter out) { double ans = 0; int N = in.nextInt(); int[] A = new int[N]; int[] B = new int[N]; for(int i=0; i < N; i++) { A[i] = in.nextInt(); } for(int i=0; i < N; i++) { B[i] = in.nextInt(); } int cnt = 0; int total = 0; for(int i=0; i < N; i++) { for(int j=0; j < N; j++) { if(A[i] > B[j]) cnt++; total++; } } ans = (double)cnt / (double)total; // out.println("cnt = " + cnt + " total = " + total); out.println(ans); } } // ====================================================================== static class Pair<K, V> extends AbstractMap.SimpleEntry<K, V> { /** serialVersionUID. */ private static final long serialVersionUID = 6411527075103472113L; public Pair(final K key, final V value) { super(key, value); } } static class MyInput { private final BufferedReader in; private static int pos; private static int readLen; private static final char[] buffer = new char[1024 * 8]; private static char[] str = new char[500 * 8 * 2]; private static boolean[] isDigit = new boolean[256]; private static boolean[] isSpace = new boolean[256]; private static boolean[] isLineSep = new boolean[256]; static { for (int i = 0; i < 10; i++) { isDigit['0' + i] = true; } isDigit['-'] = true; isSpace[' '] = isSpace['\r'] = isSpace['\n'] = isSpace['\t'] = true; isLineSep['\r'] = isLineSep['\n'] = true; } public MyInput(InputStream is) { in = new BufferedReader(new InputStreamReader(is)); } public int read() { if (pos >= readLen) { pos = 0; try { readLen = in.read(buffer); } catch (IOException e) { throw new RuntimeException(); } if (readLen <= 0) { throw new MyInput.EndOfFileRuntimeException(); } } return buffer[pos++]; } public int nextInt() { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; int ret = 0; if (str[0] == '-') { i = 1; } for (; i < len; i++) ret = ret * 10 + str[i] - '0'; if (str[0] == '-') { ret = -ret; } return ret; } public String nextString() { String ret = new String(nextDChar()).trim(); return ret; } public char[] nextDChar() { int len = 0; len = reads(len, isSpace); char[] ret = new char[len + 1]; for (int i=0; i < len; i++) ret[i] = str[i]; ret[len] = 0x00; return ret; } public char nextChar() { while (true) { final int c = read(); if (!isSpace[c]) { return (char) c; } } } int reads(int len, boolean[] accept) { try { while (true) { final int c = read(); if (accept[c]) { break; } if (str.length == len) { char[] rep = new char[str.length * 3 / 2]; System.arraycopy(str, 0, rep, 0, str.length); str = rep; } str[len++] = (char) c; } } catch (MyInput.EndOfFileRuntimeException e) { } return len; } static class EndOfFileRuntimeException extends RuntimeException { } } }