結果
問題 | No.1001 注文の多い順列 |
ユーザー | uwi |
提出日時 | 2020-02-28 22:48:11 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 126 ms / 2,000 ms |
コード長 | 3,969 bytes |
コンパイル時間 | 4,193 ms |
コンパイル使用メモリ | 92,208 KB |
実行使用メモリ | 67,600 KB |
最終ジャッジ日時 | 2024-10-13 18:39:11 |
合計ジャッジ時間 | 8,433 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 51 ms
50,376 KB |
testcase_01 | AC | 49 ms
50,176 KB |
testcase_02 | AC | 49 ms
50,320 KB |
testcase_03 | AC | 49 ms
49,680 KB |
testcase_04 | AC | 50 ms
50,176 KB |
testcase_05 | AC | 49 ms
50,196 KB |
testcase_06 | AC | 48 ms
49,812 KB |
testcase_07 | AC | 49 ms
49,684 KB |
testcase_08 | AC | 49 ms
50,084 KB |
testcase_09 | AC | 48 ms
50,136 KB |
testcase_10 | AC | 49 ms
50,204 KB |
testcase_11 | AC | 48 ms
50,204 KB |
testcase_12 | AC | 49 ms
50,116 KB |
testcase_13 | AC | 49 ms
50,032 KB |
testcase_14 | AC | 48 ms
50,044 KB |
testcase_15 | AC | 50 ms
50,056 KB |
testcase_16 | AC | 49 ms
50,112 KB |
testcase_17 | AC | 48 ms
50,140 KB |
testcase_18 | AC | 114 ms
63,680 KB |
testcase_19 | AC | 118 ms
63,460 KB |
testcase_20 | AC | 94 ms
60,804 KB |
testcase_21 | AC | 94 ms
60,512 KB |
testcase_22 | AC | 122 ms
67,312 KB |
testcase_23 | AC | 126 ms
67,600 KB |
testcase_24 | AC | 120 ms
67,464 KB |
testcase_25 | AC | 119 ms
67,388 KB |
testcase_26 | AC | 52 ms
49,772 KB |
testcase_27 | AC | 91 ms
53,428 KB |
testcase_28 | AC | 88 ms
56,468 KB |
testcase_29 | AC | 97 ms
56,364 KB |
testcase_30 | AC | 103 ms
60,512 KB |
testcase_31 | AC | 108 ms
60,744 KB |
testcase_32 | AC | 54 ms
49,900 KB |
testcase_33 | AC | 52 ms
50,120 KB |
ソースコード
package contest200228; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.InputMismatchException; import java.util.List; public class D { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int mod = 1000000007; int n = ni(); List<Integer> less = new ArrayList<>(); List<Integer> more = new ArrayList<>(); int[] fless = new int[n+2]; int[] fmore = new int[n+2]; for(int i = 0;i < n;i++) { int t = ni(); int x = ni(); if(t == 0) { less.add(x); fless[0]++; fless[x+1]--; }else { more.add(x); fmore[x]++; } } for(int i = 0;i < n;i++) { fless[i+1] += fless[i]; fmore[i+1] += fmore[i]; } int u = less.size()+1; int v = more.size()+1; long[][] dp = new long[u][v]; dp[0][0] = 1; for(int i = 0;i < u;i++) { for(int j = 0;j < v;j++) { if(i+1 < u && fless[i+1+j]-(u-i)+2 > 0) { dp[i+1][j] += dp[i][j] * (fless[i+1+j]-(u-i)+2); dp[i+1][j] %= mod; } if(j+1 < v && fmore[i+1+j]-j > 0) { dp[i][j+1] += dp[i][j] * (fmore[i+1+j]-j); dp[i][j+1] %= mod; } } } out.println(dp[u-1][v-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 D().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)); } }