結果
| 問題 | No.1163 I want to be a high achiever |
| ユーザー |
tenten
|
| 提出日時 | 2021-11-05 18:42:35 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 277 ms / 2,000 ms |
| コード長 | 2,466 bytes |
| コンパイル時間 | 2,368 ms |
| コンパイル使用メモリ | 78,056 KB |
| 実行使用メモリ | 114,224 KB |
| 最終ジャッジ日時 | 2024-11-06 09:33:28 |
| 合計ジャッジ時間 | 8,497 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 30 |
ソースコード
import java.io.*;
import java.util.*;
public class Main {
static Point[] points;
static int[][] dp;
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int x = sc.nextInt();
points = new Point[n];
int total = 0;
boolean enable = false;
for (int i = 0; i < n; i++) {
points[i] = new Point(x - sc.nextInt());
total += points[i].value;
enable |= (points[i].value <= 0);
}
if (!enable) {
System.out.println(-1);
return;
}
if (total <= 0) {
System.out.println(0);
return;
}
for (int i = 0; i < n; i++) {
points[i].cost = sc.nextInt();
}
Arrays.sort(points);
dp = new int[n][total + 1];
for (int[] arr : dp) {
Arrays.fill(arr, -1);
}
System.out.println(dfw(n - 1, total));
}
static int dfw(int idx, int total) {
if (total <= 0) {
return 0;
}
if (idx < 0 || points[idx].value <= 0) {
return Integer.MAX_VALUE / 2;
}
if (dp[idx][total] < 0) {
dp[idx][total] = Math.min(dfw(idx - 1, total), dfw(idx - 1, total - points[idx].value) + points[idx].cost);
}
return dp[idx][total];
}
static class Point implements Comparable<Point> {
int value;
int cost;
public Point(int value) {
this.value = value;
}
public int compareTo(Point p) {
return value - p.value;
}
}
}
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 double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public String nextLine() throws Exception {
return br.readLine();
}
public String next() throws Exception {
if (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten