結果
問題 | No.953 席 |
ユーザー | 37zigen |
提出日時 | 2020-04-08 03:04:44 |
言語 | Java21 (openjdk 21) |
結果 |
RE
|
実行時間 | - |
コード長 | 4,639 bytes |
コンパイル時間 | 2,386 ms |
コンパイル使用メモリ | 84,600 KB |
実行使用メモリ | 69,936 KB |
最終ジャッジ日時 | 2024-07-16 00:38:22 |
合計ジャッジ時間 | 14,045 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 62 ms
50,944 KB |
testcase_01 | AC | 62 ms
50,520 KB |
testcase_02 | RE | - |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.Comparator; import java.util.NoSuchElementException; import java.util.PriorityQueue; public class Main { public static void main(String[] args) { new Main().run(); } boolean disjoint(int id, boolean[] on) { boolean ret=true; for(int i=Math.max(0, id-1);i<=Math.min(on.length-1, id+1);++i) { ret&=!on[i]; } return ret; } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int fst=sc.nextInt()-1; int snd=sc.nextInt()-1; int[] dist=new int[N]; int[] id=new int[N]; int Q=sc.nextInt(); int[] ans=new int[Q]; Arrays.fill(ans, -1); PriorityQueue<Integer> disjoint=new PriorityQueue<>(); PriorityQueue<Integer> adjacent=new PriorityQueue<>(); { int p=1; int s=fst,t=fst+1; while (s>0||t<N) { if (fst<snd) { if(t<dist.length) dist[t++]=p++; if(s>0) dist[--s]=p++; } else { if(s>0) dist[--s]=p++; if(t<dist.length) dist[t++]=p++; } } for(int i=0;i<N;++i) { id[dist[i]]=i; } } for(int i=0;i<N;++i) { disjoint.add(i); } int[][] in=new int[Q+1][2]; int[][] out=new int[Q+1][2]; for(int i=0;i<Q;++i) { in[i][0]=sc.nextInt(); out[i][0]=in[i][0]+sc.nextInt(); in[i][1]=i; out[i][1]=i; } int INF=Integer.MAX_VALUE/3; in[Q][0]=out[Q][0]=INF; in[Q][1]=out[Q][1]=-1; Arrays.sort(in, Comparator.comparing(v->v[0])); Arrays.sort(out, Comparator.comparing(v->v[0])); boolean[] on=new boolean[N]; int u=0,v=0; while(u!=Q || v!=Q) { if(out[u][0]<=in[v][0]) { // out[u]を実行 int id_=ans[out[u][1]]; on[id_]=false; if(disjoint(id_, on)) disjoint.add(dist[id_]); else adjacent.add(dist[id_]); ++u; }else{ // in[v]を実行 while(!disjoint.isEmpty() && (!disjoint(id[disjoint.peek()], on) || on[id[disjoint.peek()]])) { disjoint.poll(); } if(disjoint.isEmpty()&&adjacent.isEmpty()) { in[v][0]=out[u][0]; continue; } int dist_=!disjoint.isEmpty()?disjoint.poll():adjacent.poll(); int id_=id[dist_]; if(on[id_]) continue; ans[in[v][1]]=id_; on[id_]=true; for(int i=Math.max(0, id_-1);i<=Math.min(N-1, id_+1);++i) { if(!on[i] && !disjoint(i, on)) adjacent.add(dist[i]); } ++v; } } PrintWriter pw=new PrintWriter(System.out); for(int i=0;i<Q;++i) { pw.println(ans[i]+1); } pw.close(); } 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());} }