結果
問題 | No.1827 最長部分スーパーリッチ門松列列 |
ユーザー | 37zigen |
提出日時 | 2022-01-20 21:52:03 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 208 ms / 2,000 ms |
コード長 | 4,367 bytes |
コンパイル時間 | 2,468 ms |
コンパイル使用メモリ | 82,328 KB |
実行使用メモリ | 45,152 KB |
最終ジャッジ日時 | 2024-05-03 08:29:03 |
合計ジャッジ時間 | 8,541 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 61 ms
37,448 KB |
testcase_01 | AC | 59 ms
37,032 KB |
testcase_02 | AC | 63 ms
37,308 KB |
testcase_03 | AC | 128 ms
41,288 KB |
testcase_04 | AC | 149 ms
41,352 KB |
testcase_05 | AC | 151 ms
41,632 KB |
testcase_06 | AC | 148 ms
41,924 KB |
testcase_07 | AC | 181 ms
44,632 KB |
testcase_08 | AC | 180 ms
44,732 KB |
testcase_09 | AC | 188 ms
44,704 KB |
testcase_10 | AC | 180 ms
44,820 KB |
testcase_11 | AC | 188 ms
45,052 KB |
testcase_12 | AC | 184 ms
44,740 KB |
testcase_13 | AC | 184 ms
45,152 KB |
testcase_14 | AC | 207 ms
44,940 KB |
testcase_15 | AC | 182 ms
44,616 KB |
testcase_16 | AC | 190 ms
44,972 KB |
testcase_17 | AC | 208 ms
44,788 KB |
testcase_18 | AC | 207 ms
44,764 KB |
testcase_19 | AC | 187 ms
44,812 KB |
testcase_20 | AC | 182 ms
44,772 KB |
testcase_21 | AC | 183 ms
44,980 KB |
testcase_22 | AC | 186 ms
44,960 KB |
testcase_23 | AC | 182 ms
44,992 KB |
testcase_24 | AC | 191 ms
44,948 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.NoSuchElementException; class Main { public static void main(String[] args) { new Main().run(); } void run() { FastScanner sc=new FastScanner(); int T=sc.nextInt(); PrintWriter pw=new PrintWriter(System.out); int sumn=0; while (T-->0) { int N=sc.nextInt(); sumn+=N; if (!(3 <= N && N <= 5e5)) throw new AssertionError(); int[] P=new int[N]; boolean[] vis=new boolean[N]; for (int i=0;i<N;++i) { P[i]=sc.nextInt()-1; if (vis[P[i]]) throw new AssertionError(); vis[P[i]]=true; } pw.println(solve(N, P)); } if (sumn>5e5) throw new AssertionError(); pw.close(); } long solve(int N, int[] P) { int[] sum=new int[N+1]; for (int i=0;i+1<N;++i) { int lower=Math.min(P[i], P[i+1]); int upper=Math.max(P[i], P[i+1]); sum[lower]+=1; sum[upper]-=1; } for (int i=0;i+1<N;++i) { sum[i+1]+=sum[i]; } int ans=1+Arrays.stream(sum).max().getAsInt(); return ans; } static void tr(Object...objects) { System.out.println(Arrays.deepToString(objects)); } } class BruteForce { class DSU { int[] parent; public DSU(int n) { parent=new int[n]; Arrays.fill(parent, -1); } int root(int x) { return parent[x] < 0 ? x : (parent[x] = root(parent[x])); } void union(int x, int y) { x=root(x); y=root(y); if (x==y) return; parent[y]+=parent[x]; parent[x]=y; } boolean equiv(int x, int y) { return root(x) == root(y); } } int gcd(int a, int b) { if (a == 0) return b; return gcd(b%a, a); } boolean iscoprime(int a, int b) { return gcd(a, b) == 1; } int grundy(ArrayList<Integer> set, int mod) { DSU dsu=new DSU(mod); for (int i=1;i<mod;++i) { if (!iscoprime(i, mod)) continue; for (int a : set) { dsu.union(i*a%mod, i); } } boolean equiv = true; for (int i=1;i<mod;++i) if (iscoprime(i, mod)) equiv &= dsu.equiv(1, i); if (equiv) return 0; boolean[] vis=new boolean[mod]; for (int i=1;i<mod;++i) if (iscoprime(i, mod)) { loop:for (int j=1;j<mod;++j) if (iscoprime(j, mod)) { if (!dsu.equiv(i, i*j%mod)){ set.add(j); vis[grundy(set, mod)]=true; set.remove(set.size()-1); continue loop; } } } int ret=0; while (vis[ret]) ++ret; return ret; } } 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;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); 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() { return (int)nextLong(); } }