結果
| 問題 |
No.230 Splarraay スプラレェーイ
|
| コンテスト | |
| ユーザー |
ぴろず
|
| 提出日時 | 2015-11-26 22:15:49 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 399 ms / 5,000 ms |
| コード長 | 7,168 bytes |
| コンパイル時間 | 4,821 ms |
| コンパイル使用メモリ | 81,592 KB |
| 実行使用メモリ | 50,916 KB |
| 最終ジャッジ日時 | 2024-09-13 17:44:10 |
| 合計ジャッジ時間 | 8,751 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 |
ソースコード
package test;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.NoSuchElementException;
public class Main {
public static void main(String[] args) {
// RangeSetRangeSumLong st = new RangeSetRangeSumLong(8);
// st.set(0, 7, 10);
// System.out.println(st.sum(3, 5));
IO io = new IO();
int n = io.nextInt();
int q = io.nextInt();
RangeSetRangeSumLong teamA = new RangeSetRangeSumLong(n);
RangeSetRangeSumLong teamB = new RangeSetRangeSumLong(n);
long scoreA = 0,scoreB = 0;
// System.out.println("----");
// System.out.println(teamA);
// System.out.println(teamB);
for(int i=0;i<q;i++) {
int x = io.nextInt();
int l = io.nextInt();
int r = io.nextInt();
if (x == 0) {
long a = teamA.sum(l, r + 1);
long b = teamB.sum(l, r + 1);
// System.out.println(a + " - " + b);
if (a > b) {
scoreA += a;
}else if(a < b) {
scoreB += b;
}
}else if(x == 1) {
teamA.set(l, r + 1, 1);
teamB.set(l, r + 1, 0);
}else{
teamA.set(l, r + 1, 0);
teamB.set(l, r + 1, 1);
}
// System.out.println("----");
// System.out.println(teamA);
// System.out.println(teamB);
}
scoreA += teamA.sum(0, n);
scoreB += teamB.sum(0, n);
System.out.println(scoreA + " " + scoreB);
}
}
class RangeSetRangeSumLong {
private int size,n = 1;
private long[] sum;
private boolean[] lazy;
private long[] lazyValue;
public RangeSetRangeSumLong(int size) {
this.size = size;
while(this.n<this.size) {
this.n*=2;
}
sum = new long[n*2-1];
lazy = new boolean[n*2-1];
lazyValue = new long[n*2-1];
}
private void propagate(int k) {
if (lazy[k] && k < n - 1) {
sum[k*2+1] = sum[k*2+2] = sum[k] >> 1; //区間の長さが半分だからこうなる
lazy[k*2+1] = lazy[k*2+2] = true;
lazyValue[k*2+1] = lazyValue[k*2+1] = lazyValue[k];
}
lazy[k] = false;
}
private void update(int k) {
sum[k] = sum[k*2+1] + sum[k*2+2];
}
public void set(int begin,int end,long x) {
set(begin,end,x,0,0,n);
}
private void set(int begin,int end,long x,int k,int l,int r) {
propagate(k); //先に遅延された値があれば伝搬
if (r <= begin || end <= l) { //交差してない
return;
}
if (begin <= l && r <= end) { //含んでるからここの値はちゃんとして、下に丸投げ。
sum[k] = x * (r - l);
lazy[k] = true;
lazyValue[k] = x;
propagate(k);
return;
}
//中途半端な場合はちゃんとやらないとまずい
set(begin,end,x,k*2+1,l,(l+r)>>>1);
set(begin,end,x,k*2+2,(l+r)>>>1,r);
update(k);
//この3つでここの値がちゃんとする
}
public long sum(int begin,int end) {
return sum(begin,end,0,0,n);
}
private long sum(int begin,int end,int k,int l,int r) {
propagate(k); //先に遅延された値があれば伝搬
if (r <= begin || end <= l) { //交差してない
return 0;
}
if (begin <= l && r <= end) { //含んでる。ここの値は正しくなってる。
return sum[k];
}
//ちゃんと計算
long sum1 = sum(begin,end,k*2+1,l,(l+r)/2);
long sum2 = sum(begin,end,k*2+2,(l+r)/2,r);
update(k); //遅延伝搬があるからsumクエリでも値の更新が必要。
return sum1 + sum2;
}
//遅延伝搬大破壊
public String toString() {
ArrayList<Long> data = new ArrayList<>();
for(int i=0;i<size;i++) {
data.add(sum(i, i+1));
}
return data.toString();
}
}
class IO extends PrintWriter {
private final InputStream in;
private final byte[] buffer = new byte[1024];
private int ptr = 0;
private int buflen = 0;
public IO() { this(System.in);}
public IO(InputStream source) { super(System.out); this.in = source;}
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 static boolean isNewLine(int c) { return c == '\n' || c == '\r';}
public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
public boolean hasNextLine() { while(hasNextByte() && isNewLine(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 char[] nextCharArray(int len) {
if (!hasNext()) {
throw new NoSuchElementException();
}
char[] s = new char[len];
int i = 0;
int b = readByte();
while(isPrintableChar(b)) {
if (i == len) {
throw new InputMismatchException();
}
s[i++] = (char) b;
b = readByte();
}
return s;
}
public String nextLine() {
if (!hasNextLine()) {
throw new NoSuchElementException();
}
StringBuilder sb = new StringBuilder();
int b = readByte();
while(!isNewLine(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 char nextChar() {
if (!hasNext()) {
throw new NoSuchElementException();
}
return (char) readByte();
}
public double nextDouble() { return Double.parseDouble(next());}
public int[] nextIntArray(int n) { int[] a = new int[n]; for(int i=0;i<n;i++) a[i] = nextInt(); return a;}
public long[] nextLongArray(int n) { long[] a = new long[n]; for(int i=0;i<n;i++) a[i] = nextLong(); return a;}
public double[] nextDoubleArray(int n) { double[] a = new double[n]; for(int i=0;i<n;i++) a[i] = nextDouble(); return a;}
public void nextIntArrays(int[]... a) { for(int i=0;i<a[0].length;i++) for(int j=0;j<a.length;j++) a[j][i] = nextInt();}
public int[][] nextIntMatrix(int n,int m) { int[][] a = new int[n][]; for(int i=0;i<n;i++) a[i] = nextIntArray(m); return a;}
public char[][] nextCharMap(int n,int m) { char[][] a = new char[n][]; for(int i=0;i<n;i++) a[i] = nextCharArray(m); return a;}
public void close() { super.close(); try {in.close();} catch (IOException e) {}}
}
ぴろず