結果
問題 | No.162 8020運動 |
ユーザー | threepipes_s |
提出日時 | 2015-03-09 17:20:06 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 158 ms / 5,000 ms |
コード長 | 3,384 bytes |
コンパイル時間 | 2,039 ms |
コンパイル使用メモリ | 75,276 KB |
実行使用メモリ | 36,460 KB |
最終ジャッジ日時 | 2023-09-06 22:41:23 |
合計ジャッジ時間 | 6,735 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge14 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 55 ms
35,196 KB |
testcase_01 | AC | 109 ms
36,460 KB |
testcase_02 | AC | 128 ms
35,284 KB |
testcase_03 | AC | 155 ms
34,976 KB |
testcase_04 | AC | 157 ms
35,224 KB |
testcase_05 | AC | 156 ms
35,528 KB |
testcase_06 | AC | 158 ms
35,592 KB |
testcase_07 | AC | 157 ms
35,204 KB |
testcase_08 | AC | 158 ms
35,048 KB |
testcase_09 | AC | 55 ms
34,380 KB |
testcase_10 | AC | 126 ms
35,092 KB |
testcase_11 | AC | 109 ms
35,884 KB |
testcase_12 | AC | 95 ms
35,828 KB |
testcase_13 | AC | 157 ms
35,040 KB |
testcase_14 | AC | 85 ms
35,604 KB |
testcase_15 | AC | 85 ms
36,132 KB |
testcase_16 | AC | 103 ms
35,992 KB |
testcase_17 | AC | 95 ms
36,196 KB |
testcase_18 | AC | 149 ms
34,980 KB |
testcase_19 | AC | 122 ms
35,688 KB |
testcase_20 | AC | 132 ms
35,532 KB |
testcase_21 | AC | 136 ms
35,140 KB |
testcase_22 | AC | 128 ms
35,036 KB |
testcase_23 | AC | 133 ms
34,980 KB |
testcase_24 | AC | 129 ms
35,092 KB |
testcase_25 | AC | 139 ms
34,928 KB |
testcase_26 | AC | 58 ms
34,932 KB |
testcase_27 | AC | 108 ms
35,744 KB |
testcase_28 | AC | 149 ms
35,220 KB |
ソースコード
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Comparator; import java.util.List; import java.util.PriorityQueue; import java.util.Queue; public class Main { public static double[][] dp; public static double p0; public static double p1; public static double p2; public static void main(String[] args) throws NumberFormatException, IOException{ ContestScanner in = new ContestScanner(); int a = in.nextInt(); p0 = in.nextInt(); // p0 = 100 - p0; p0 *= 0.01; p1 = in.nextInt(); // p1 = 100 - p1; p1 *= 0.01; p2 = in.nextInt(); // p2 = 100 - p2; p2 *= 0.01; dp = new double[21][15]; for(int i=0; i<=20; i++){ for(int j=0; j<=14; j++){ dp[i][j] = -1; } } // dp[1][1] = 1-p0; System.out.println(dfs(80-a, 14)*2); } public static double dfs(int year, int ha){ if(year == 0) return ha; if(ha == 1) return dp[year][ha] = (1-p0)*dfs(year-1, 1); if(dp[year][ha] >= 0) return dp[year][ha]; dp[year][ha] = 0; for(int i=0; i<1<<ha; i++){ int bit = 0; int left = 0; double p = 1; double prob = 0; while(bit<ha){ if((i&(1<<bit)) > 0){ left++; p *= bit==0||(1<<ha-1)==(1<<bit)?1-p1:1-p2; }else{ if(left > 0){ prob += dfs(year-1, left); } p *= bit==0||(1<<ha-1)==(1<<bit)?p1:p2; left = 0; } bit++; } if(left > 0){ prob += dfs(year-1, left); } dp[year][ha] += p*prob; left = 0; } return dp[year][ha]; } } class MyComp implements Comparator<int[]>{ public int compare(int[] a, int[] b) { return a[0] - b[0]; } } class Reverse implements Comparator<Integer>{ public int compare(Integer arg0, Integer arg1) { return arg1 - arg0; } } class Node{ int id; List<Node> edge = new ArrayList<Node>(); public Node(int id){ this.id = id; } public void createEdge(Node node){ edge.add(node); } } class ContestWriter{ private PrintWriter out; public ContestWriter(String filename) throws IOException{ out = new PrintWriter(new BufferedWriter(new FileWriter(filename))); } public ContestWriter() throws IOException{ out = new PrintWriter(System.out); } public void println(String str){ out.println(str); } public void print(String str){ out.print(str); } public void close(){ out.close(); } } class ContestScanner{ private BufferedReader reader; private String[] line; private int idx; public ContestScanner() throws FileNotFoundException{ reader = new BufferedReader(new InputStreamReader(System.in)); } public ContestScanner(String filename) throws FileNotFoundException{ reader = new BufferedReader(new InputStreamReader(new FileInputStream(filename))); } public String nextToken() throws IOException{ if(line == null || line.length <= idx){ line = reader.readLine().trim().split(" "); idx = 0; } return line[idx++]; } public long nextLong() throws IOException, NumberFormatException{ return Long.parseLong(nextToken()); } public int nextInt() throws NumberFormatException, IOException{ return (int)nextLong(); } public double nextDouble() throws NumberFormatException, IOException{ return Double.parseDouble(nextToken()); } }