結果
| 問題 |
No.1703 Much Matching
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-04-26 08:51:38 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,760 bytes |
| コンパイル時間 | 3,169 ms |
| コンパイル使用メモリ | 95,880 KB |
| 実行使用メモリ | 93,984 KB |
| 最終ジャッジ日時 | 2024-11-15 17:21:04 |
| 合計ジャッジ時間 | 24,771 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 9 WA * 25 TLE * 1 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
static Pair[] pairs;
static int[][] dp;
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int m = sc.nextInt();
int q = sc.nextInt();
Pair[] pairs = new Pair[q];
for (int i = 0; i < q; i++) {
pairs[i] = new Pair(sc.nextInt() - 1, sc.nextInt() - 1);
}
Arrays.sort(pairs);
int[] dp = new int[q + 1];
Arrays.fill(dp, Integer.MAX_VALUE);
dp[0] = -1;
int max = 0;
for (Pair x : pairs) {
int left = 0;
int right = max + 1;
while(right - left > 1) {
int mm = (left + right) / 2;
if (dp[mm] <= x.female) {
left = mm;
} else {
right = mm;
}
}
dp[right] = x.female;
max = Math.max(max, right);
}
System.out.println(max);
}
static class Pair implements Comparable<Pair> {
int male;
int female;
public Pair(int male, int female) {
this.male = male;
this.female = female;
}
public int compareTo(Pair another) {
if (male == another.male) {
return another.female - female;
} else {
return male - another.male;
}
}
}
}
class Utilities {
static String arrayToLineString(Object[] arr) {
return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
}
static String arrayToLineString(int[] arr) {
return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public int[] nextIntArray() throws Exception {
return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
}
public String next() throws Exception {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten