結果
| 問題 |
No.1037 exhausted
|
| ユーザー |
|
| 提出日時 | 2020-05-13 12:53:07 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,293 bytes |
| コンパイル時間 | 4,272 ms |
| コンパイル使用メモリ | 77,884 KB |
| 実行使用メモリ | 75,616 KB |
| 最終ジャッジ日時 | 2024-09-14 15:34:04 |
| 合計ジャッジ時間 | 5,915 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 |
|---|---|
| other | AC * 17 WA * 6 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.NoSuchElementException;
public class Main{
public static void main(String[] args) {
new Main().run();
}
void run() {
FastScanner sc=new FastScanner();
int N=sc.nextInt();
int V=sc.nextInt();
int L=sc.nextInt();
int[] x=new int[N+2];
int[] v=new int[N+2];
int[] w=new int[N+2];
for (int i=0;i<N;++i) {
x[i+1]=sc.nextInt();
v[i+1]=sc.nextInt();
w[i+1]=sc.nextInt();
v[i+1]=Math.min(v[i+1], V);
}
x[N+1]=L;
long[][] dp=new long[N+2][V+1];
long INF=Long.MAX_VALUE/3;
for (int i=0;i<dp.length;++i) {
for (int j=0;j<dp[i].length;++j) {
dp[i][j]=INF;
}
}
dp[0][V]=0;
for (int i=0;i<N+1;++i) {
if (i!=0)
for (int j=0;j<V;++j) {
int nj=Math.min(V, j+v[i]);
dp[i][nj]=Math.min(dp[i][nj], dp[i][j]+w[i]);
}
for (int j=x[i+1]-x[i];j<=V;++j) {
int nj=j-(x[i+1]-x[i]);
dp[i+1][nj]=Math.min(dp[i+1][nj], dp[i][j]);
}
}
long ans=INF;
for (int i=0;i<=V;++i) ans=Math.min(ans, dp[N+1][i]);
System.out.println(ans==INF?-1:ans);
}
void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));}
}
class FastScanner {
private final InputStream in = System.in;
private final byte[] buffer = new byte[1024];
private int ptr = 0;
private int buflen = 0;
private boolean hasNextByte() {
if (ptr < buflen) {
return true;
}else{
ptr = 0;
try {
buflen = in.read(buffer);
} catch (IOException e) {
e.printStackTrace();
}
if (buflen <= 0) {
return false;
}
}
return true;
}
private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;}
private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;}
public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; return hasNextByte();}
public String next() {
if (!hasNext()) throw new NoSuchElementException();
StringBuilder sb = new StringBuilder();
int b = readByte();
while(isPrintableChar(b)) {
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
public long nextLong() {
if (!hasNext()) throw new NoSuchElementException();
long n = 0;
boolean minus = false;
int b = readByte();
if (b == '-') {
minus = true;
b = readByte();
}
if (b < '0' || '9' < b) {
throw new NumberFormatException();
}
while(true){
if ('0' <= b && b <= '9') {
n *= 10;
n += b - '0';
}else if(b == -1 || !isPrintableChar(b)){
return minus ? -n : n;
}else{
throw new NumberFormatException();
}
b = readByte();
}
}
public int nextInt() {
long nl = nextLong();
if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException();
return (int) nl;
}
public double nextDouble() { return Double.parseDouble(next());}
}