結果
問題 | No.1570 Blocks |
ユーザー |
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提出日時 | 2021-06-29 08:43:16 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 427 ms / 2,000 ms |
コード長 | 1,595 bytes |
コンパイル時間 | 3,967 ms |
コンパイル使用メモリ | 78,368 KB |
実行使用メモリ | 51,316 KB |
最終ジャッジ日時 | 2024-06-25 17:26:39 |
合計ジャッジ時間 | 16,100 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 45 |
ソースコード
import java.io.*;import java.util.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();PriorityQueue<Block> blocks = new PriorityQueue<>();for (int i = 0; i < n; i++) {blocks.add(new Block(sc.nextInt(), sc.nextInt()));}long weight = 0;while (blocks.size() > 0) {Block b = blocks.poll();if (weight > b.limit) {System.out.println("No");return;}weight += b.weight;}System.out.println("Yes");}static class Block implements Comparable<Block> {int weight;int limit;public Block(int weight, int limit) {this.weight = weight;this.limit = limit;}public int compareTo(Block b) {return (weight + limit) - (b.limit + b.weight);}}}class Scanner {BufferedReader br = new BufferedReader(new InputStreamReader(System.in));StringTokenizer st = new StringTokenizer("");public Scanner() throws Exception {}public int nextInt() throws Exception {return Integer.parseInt(next());}public long nextLong() throws Exception {return Long.parseLong(next());}public String next() throws Exception {if (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}return st.nextToken();}}