結果

問題 No.1570 Blocks
ユーザー tenten
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
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 45
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

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();
}
}
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