結果
問題 | No.1560 majority x majority |
ユーザー | 37zigen |
提出日時 | 2021-04-16 14:05:50 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 644 ms / 2,000 ms |
コード長 | 2,925 bytes |
コンパイル時間 | 2,133 ms |
コンパイル使用メモリ | 75,424 KB |
実行使用メモリ | 55,660 KB |
最終ジャッジ日時 | 2023-09-07 13:54:20 |
合計ジャッジ時間 | 9,825 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge13 |
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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 | 644 ms
55,660 KB |
testcase_01 | AC | 574 ms
55,184 KB |
testcase_02 | AC | 40 ms
49,364 KB |
testcase_03 | AC | 338 ms
54,924 KB |
testcase_04 | AC | 274 ms
54,916 KB |
testcase_05 | AC | 327 ms
54,900 KB |
testcase_06 | AC | 114 ms
54,672 KB |
testcase_07 | AC | 98 ms
52,420 KB |
testcase_08 | AC | 324 ms
54,692 KB |
testcase_09 | AC | 148 ms
54,340 KB |
testcase_10 | AC | 42 ms
49,332 KB |
testcase_11 | AC | 87 ms
52,580 KB |
testcase_12 | AC | 61 ms
49,888 KB |
testcase_13 | AC | 89 ms
52,616 KB |
testcase_14 | AC | 74 ms
52,520 KB |
testcase_15 | AC | 151 ms
54,336 KB |
testcase_16 | AC | 47 ms
47,684 KB |
testcase_17 | AC | 403 ms
54,856 KB |
testcase_18 | AC | 171 ms
52,420 KB |
testcase_19 | AC | 43 ms
49,308 KB |
testcase_20 | AC | 47 ms
49,124 KB |
testcase_21 | AC | 47 ms
49,260 KB |
testcase_22 | AC | 220 ms
52,636 KB |
testcase_23 | AC | 43 ms
49,392 KB |
testcase_24 | AC | 45 ms
49,256 KB |
testcase_25 | AC | 217 ms
54,304 KB |
testcase_26 | AC | 39 ms
49,172 KB |
testcase_27 | AC | 40 ms
49,176 KB |
testcase_28 | AC | 40 ms
49,672 KB |
testcase_29 | AC | 40 ms
49,316 KB |
testcase_30 | AC | 43 ms
49,356 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.math.BigInteger; import java.util.Arrays; import java.util.NoSuchElementException; import java.util.Random; public class Main { public static void main(String[] args) { new Main().run(); } void run() { FastScanner sc = new FastScanner(); int N=sc.nextInt(); int M=sc.nextInt(); assert(1<=N&&N<=5000); assert(1<=M&&M<=12); boolean[][] S=new boolean[N][M]; for (int i=0;i<N;++i) { for (int j=0;j<M;++j) { S[i][j]=sc.nextInt()==1; } } long[] dp=new long[1<<M]; dp[0]=1; for (int s=0;s<1<<M;++s) { boolean[] alive=new boolean[N]; out:for (int i=0;i<N;++i) { for (int j=0;j<M;++j) { if ((s>>j)%2==0) continue; if (!S[i][j]) continue out; } alive[i]=true; } for (int next=0;next<M;++next) { if ((s>>next)%2==1) continue; int ok=0; int ng=0; for (int i=0;i<N;++i) { if (!alive[i]) continue; if (S[i][next]) ++ok; else ++ng; } if (ok>=ng) { dp[s|1<<next] += dp[s]; } } } System.out.println(dp[(1<<M)-1]); } static void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } } class FastScanner { 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(); } 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(); 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(); } } public int nextInt() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next()); } }