結果
| 問題 |
No.1012 荷物収集
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-02-01 10:14:26 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 700 ms / 2,000 ms |
| コード長 | 3,113 bytes |
| コンパイル時間 | 2,690 ms |
| コンパイル使用メモリ | 95,968 KB |
| 実行使用メモリ | 69,044 KB |
| 最終ジャッジ日時 | 2024-07-01 07:19:45 |
| 合計ジャッジ時間 | 23,632 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 41 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int q = sc.nextInt();
ArrayList<Weight> weights = new ArrayList<>();
for (int i = 0; i < n; i++) {
weights.add(new Weight(false, sc.nextInt(), sc.nextInt()));
}
for (int i = 0; i < q; i++) {
weights.add(new Weight(true, sc.nextInt(), i));
}
Collections.sort(weights);
long[] ans = new long[q];
long left = 0;
long leftTotal = 0;
int prev = 0;
for (int i = 0; i < weights.size(); i++) {
Weight x = weights.get(i);
leftTotal += (x.idx - prev) * left;
if (x.isQuery) {
ans[x.value] += leftTotal;
} else {
left += x.value;
}
prev = x.idx;
}
long right = 0;
long rightTotal = 0;
for (int i = weights.size() - 1; i >= 0; i--) {
Weight x = weights.get(i);
rightTotal += (prev - x.idx) * right;
if (x.isQuery) {
ans[x.value] += rightTotal;
} else {
right += x.value;
}
prev = x.idx;
}
System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
static class Weight implements Comparable<Weight> {
boolean isQuery;
int idx;
int value;
public Weight(boolean isQuery, int idx, int value) {
this.isQuery = isQuery;
this.idx = idx;
this.value = value;
}
public int compareTo(Weight another) {
return idx - another.idx;
}
}
}
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