結果
| 問題 | No.34 砂漠の行商人 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2015-02-17 03:18:28 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,688 bytes |
| 記録 | |
| コンパイル時間 | 4,414 ms |
| コンパイル使用メモリ | 83,680 KB |
| 実行使用メモリ | 53,608 KB |
| 最終ジャッジ日時 | 2024-06-23 20:07:45 |
| 合計ジャッジ時間 | 26,028 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 25 WA * 1 |
ソースコード
package q0xx;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
public class Q15_3 {
static InputStream is;
static PrintWriter out;
static String INPUT = "";
static void solve()
{
int n = ni(), v = ni();
int sc = ni()-1, sr = ni()-1;
int tc = ni()-1, tr = ni()-1;
int[][] a = new int[n][];
for(int i = 0;i < n;i++){
a[i] = na(n);
}
if(v >= (Math.abs(sr-tr)+Math.abs(sc-tc))*9+1){
out.println(Math.abs(sr-tr)+Math.abs(sc-tc));
return;
}
int[][][] dp = new int[11][n][n];
int I = 99999999;
for(int i = 0;i < 11;i++){
for(int j = 0;j < n;j++){
Arrays.fill(dp[i][j], I);
}
}
dp[0][sr][sc] = 0;
int[] dr = { 1, 0, -1, 0 };
int[] dc = { 0, 1, 0, -1 };
int ret = I;
for(int i = 1, ii = 1;i < 12000;i++, ii++){
if(ii == 11)ii = 0;
for(int j = 0;j < n;j++){
for(int k = 0;k < n;k++){
int pre = (i+11-a[j][k]-1)%11;
int min = I;
for(int l = 0;l < 4;l++){
int pr = j-dr[l], pc = k-dc[l];
if(pr >= 0 && pr < n && pc >= 0 && pc < n && i-(dp[pre][pr][pc]+1) < v){
min = Math.min(min, dp[pre][pr][pc]+1);
}
}
dp[ii][j][k] = min;
}
}
if(dp[ii][tr][tc] != I){
ret = Math.min(dp[ii][tr][tc], ret);
}
}
out.println(ret == I ? -1 : ret);
}
public static void main(String[] args) throws Exception
{
// int n = 100, m = 100;
// Random gen = new Random();
// StringBuilder sb = new StringBuilder();
// sb.append(n + " ");
// sb.append(10000 + " ");
// sb.append(1 + " ");
// sb.append(1+ " ");
// sb.append(n + " ");
// sb.append(n+ " ");
// for (int i = 0; i < n*n; i++) {
// sb.append(gen.nextInt(10) + " ");
// }
// INPUT = sb.toString();
long S = System.currentTimeMillis();
is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
out = new PrintWriter(System.out);
solve();
out.flush();
long G = System.currentTimeMillis();
tr(G-S+"ms");
}
private static boolean eof()
{
if(lenbuf == -1)return true;
int lptr = ptrbuf;
while(lptr < lenbuf)if(!isSpaceChar(inbuf[lptr++]))return false;
try {
is.mark(1000);
while(true){
int b = is.read();
if(b == -1){
is.reset();
return true;
}else if(!isSpaceChar(b)){
is.reset();
return false;
}
}
} catch (IOException e) {
return true;
}
}
private static byte[] inbuf = new byte[1024];
static int lenbuf = 0, ptrbuf = 0;
private static int readByte()
{
if(lenbuf == -1)throw new InputMismatchException();
if(ptrbuf >= lenbuf){
ptrbuf = 0;
try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
if(lenbuf <= 0)return -1;
}
return inbuf[ptrbuf++];
}
private static boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
private static int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
private static double nd() { return Double.parseDouble(ns()); }
private static char nc() { return (char)skip(); }
private static String ns()
{
int b = skip();
StringBuilder sb = new StringBuilder();
while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
sb.appendCodePoint(b);
b = readByte();
}
return sb.toString();
}
private static char[] ns(int n)
{
char[] buf = new char[n];
int b = skip(), p = 0;
while(p < n && !(isSpaceChar(b))){
buf[p++] = (char)b;
b = readByte();
}
return n == p ? buf : Arrays.copyOf(buf, p);
}
private static char[][] nm(int n, int m)
{
char[][] map = new char[n][];
for(int i = 0;i < n;i++)map[i] = ns(m);
return map;
}
private static int[] na(int n)
{
int[] a = new int[n];
for(int i = 0;i < n;i++)a[i] = ni();
return a;
}
private static int ni()
{
int num = 0, b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
private static long nl()
{
long num = 0;
int b;
boolean minus = false;
while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
if(b == '-'){
minus = true;
b = readByte();
}
while(true){
if(b >= '0' && b <= '9'){
num = num * 10 + (b - '0');
}else{
return minus ? -num : num;
}
b = readByte();
}
}
private static void tr(Object... o) { if(INPUT.length() != 0)System.out.println(Arrays.deepToString(o)); }
}