結果
| 問題 |
No.1067 #いろいろな色 / Red and Blue and more various colors (Middle)
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-06-11 18:41:30 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 982 ms / 2,000 ms |
| コード長 | 3,618 bytes |
| コンパイル時間 | 2,680 ms |
| コンパイル使用メモリ | 78,776 KB |
| 実行使用メモリ | 90,000 KB |
| 最終ジャッジ日時 | 2024-06-24 03:10:09 |
| 合計ジャッジ時間 | 11,428 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 25 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.NoSuchElementException;
import java.util.PriorityQueue;
public class Main {
public static void main(String[] args) {
new Main().run();
}
class State implements Comparable<State>{
int id;
int col;
int num;
public State(int id,int col,int num) {
this.id=id;
this.col=col;
this.num=num;
}
@Override
public int compareTo(State o) {
return -Integer.compare(col, o.col);
}
}
final long MOD=998244353;
void run() {
FastScanner sc=new FastScanner();
int N=sc.nextInt();
int Q=sc.nextInt();
long[] A=new long[N+1];
long[] ans=new long[Q];
long[] prd=new long[N+1];
for (int i=0;i<N;++i) {
A[i]=-sc.nextLong();
}
A[N]=0;
Arrays.sort(A);
for (int i=0;i<N;++i) A[i]*=-1;
prd[N]=1;
for (int i=N-1;i>=0;--i) prd[i]=prd[i+1]*A[i]%MOD;
PriorityQueue<State> pq=new PriorityQueue<>();
for (int i=0;i<Q;++i) {
int l=sc.nextInt();
int r=sc.nextInt();
int p=sc.nextInt();
for (int j=l;j<=r;++j) {
pq.add(new State(i, j, p));
}
}
long[] dp=new long[N+1];
dp[0]=1;
for (int i=0;i<=N;++i) {
while (!pq.isEmpty() && A[i]<pq.peek().col) {
State s=pq.poll();
ans[s.id]^=dp[s.num]*prd[i]%MOD;
}
if (i==N) break;
for (int j=N;j>=0;--j) {
dp[j]=((j==0?0:dp[j-1])+(A[i]-1)*dp[j]%MOD)%MOD;
}
}
for (int i=0;i<Q;++i) {
System.out.println(ans[i]);
}
}
void tr(Object...o) {System.out.println(Arrays.deepToString(o));}
}
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());}
}