結果
| 問題 |
No.309 シャイな人たち (1)
|
| コンテスト | |
| ユーザー |
 Grenache
|
| 提出日時 | 2015-12-03 11:19:25 |
| 言語 | Java (openjdk 23) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 5,997 bytes |
| コンパイル時間 | 3,766 ms |
| コンパイル使用メモリ | 80,632 KB |
| 実行使用メモリ | 137,548 KB |
| 最終ジャッジ日時 | 2024-09-14 08:26:22 |
| 合計ジャッジ時間 | 14,182 ms |
|
ジャッジサーバーID （参考情報） |
judge6 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | -- * 3 |
| other | TLE * 1 -- * 12 |
ソースコード
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Queue;
public class Main_yukicoder309 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
Printer pr = new Printer(System.out);
int r = sc.nextInt();
int c = sc.nextInt();
int[][] p = new int[r][c];
int[][] s = new int[r][c];
for (int i = 0; i < r; i++) {
for (int j = 0; j < c; j++) {
String tmp;
for (tmp = sc.next(); tmp.equals(""); tmp = sc.next()) {
}
p[i][j] = Integer.parseInt(tmp);
}
}
for (int i = 0; i < r; i++) {
for (int j = 0; j < c; j++) {
String tmp;
for (tmp = sc.next(); tmp.equals(""); tmp = sc.next()) {
}
s[i][j] = Integer.parseInt(tmp);
}
}
int n = 0x1 << c;
// double[][][] ptmp = new double[r + 1][c][n];
/*
for (int i = 1; i <= r; i++) {
for (int k = 0; k < n; k++) {
int[] po = new int[c];
boolean[] used = new boolean[c];
Queue<Integer> q = new ArrayDeque<Integer>();
for (int l = 0; l < c; l++) {
if (i != 1 && (k & 0x1 << l) != 0) {
po[l] = 1;
} else {
po[l] = 0;
}
if (po[l] + 4 - s[i - 1][l] >= 4) {
ptmp[i][l][k] = (double)p[i - 1][l] / 100;
used[l] = true;
q.add(l);
}
}
while (!q.isEmpty()) {
int e = q.remove();
if (e - 1 >= 0) {
po[e - 1]++;
if (!used[e - 1] && po[e - 1] + 4 - s[i - 1][e - 1] >= 4) {
ptmp[i][e - 1][k] = (double)p[i - 1][e - 1] / 100;
used[e - 1] = true;
q.add(e - 1);
}
}
if (e + 1 < c) {
po[e + 1]++;
if (!used[e + 1] && po[e + 1] + 4 - s[i - 1][e + 1] >= 4) {
ptmp[i][e + 1][k] = (double)p[i - 1][e + 1] / 100;
used[e + 1] = true;
q.add(e + 1);
}
}
}
}
}
*/
double[][] dp = new double[r + 1][n];
double dtmp = 1;
for (int i = 0; i < c; i++) {
dtmp /= 2;
}
Arrays.fill(dp[0], dtmp);
for (int i = 1; i <= r; i++) {
for (int j = 0; j < n; j++) {
for (int k = 0; k < n; k++) {
if (dp[i - 1][k] == 0) {
continue;
}
int[] po = new int[c];
boolean[] used = new boolean[c];
Queue<Integer> q = new ArrayDeque<Integer>();
double[] ptmp3 = new double[c];
for (int l = 0; l < c; l++) {
if (i != 1 && (k & 0x1 << l) != 0) {
po[l] = 1;
} else {
po[l] = 0;
}
if (po[l] + 4 - s[i - 1][l] >= 4) {
// ptmp[i][l][k] = (double)p[i - 1][l] / 100;
ptmp3[l] = (double)p[i - 1][l] / 100;
used[l] = true;
q.add(l);
}
}
while (!q.isEmpty()) {
int e = q.remove();
if ((j & 0x1 << e) == 0) {
continue;
}
if (e - 1 >= 0) {
po[e - 1]++;
if (!used[e - 1] && po[e - 1] + 4 - s[i - 1][e - 1] >= 4) {
// ptmp[i][e - 1][k] = (double)p[i - 1][e - 1] / 100;
ptmp3[e - 1] = (double)p[i - 1][e - 1] / 100;
used[e - 1] = true;
q.add(e - 1);
}
}
if (e + 1 < c) {
po[e + 1]++;
if (!used[e + 1] && po[e + 1] + 4 - s[i - 1][e + 1] >= 4) {
// ptmp[i][e + 1][k] = (double)p[i - 1][e + 1] / 100;
ptmp3[e + 1] = (double)p[i - 1][e + 1] / 100;
used[e + 1] = true;
q.add(e + 1);
}
}
}
double ptmp2 = 1.0;
for (int l = 0; l < c && ptmp2 != 0; l++) {
if ((j & 0x1 << l) != 0) {
// ptmp2 *= ptmp[i][l][k];
ptmp2 *= ptmp3[l];
} else {
// ptmp2 *= (1.0 - ptmp[i][l][k]);
ptmp2 *= (1.0 - ptmp3[l]);
}
}
dp[i][j] += ptmp2 * dp[i - 1][k];
}
}
}
double ret = 0;
for (int i = 1; i <= r; i++) {
for (int j = 0; j < n; j++) {
ret += dp[i][j] * Integer.bitCount(j);
}
}
pr.printf("%.14f\n", ret);
pr.close();
sc.close();
}
@SuppressWarnings("unused")
private static class Scanner {
BufferedReader br;
Iterator<String> it;
Scanner (InputStream in) {
br = new BufferedReader(new InputStreamReader(in));
}
String next() throws RuntimeException {
try {
if (it == null || !it.hasNext()) {
it = Arrays.asList(br.readLine().split(" ")).iterator();
}
return it.next();
} catch (IOException e) {
throw new IllegalStateException();
}
}
int nextInt() throws RuntimeException {
return Integer.parseInt(next());
}
long nextLong() throws RuntimeException {
return Long.parseLong(next());
}
float nextFloat() throws RuntimeException {
return Float.parseFloat(next());
}
double nextDouble() throws RuntimeException {
return Double.parseDouble(next());
}
void close() {
try {
br.close();
} catch (IOException e) {
// throw new IllegalStateException();
}
}
}
private static class Printer extends PrintWriter {
Printer(PrintStream out) {
super(out);
}
}
}