From 28a06a7aca7dde5995e53cef5c0c54de6cc1183b Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Mon, 14 Nov 2022 11:28:09 +0800
Subject: [PATCH] =?UTF-8?q?#758.=20=E3=80=90SCOI2008=E3=80=91=E5=A5=96?=
 =?UTF-8?q?=E5=8A=B1=E5=85=B3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

https://sjzezoj.com/submission/64246
---
 S2OJ/758/758.cpp           | 45 ++++++++++++++++++++++++++++++++++++++
 S2OJ/758/data/data1.in     |  3 +++
 S2OJ/758/data/data1.out    |  3 +++
 S2OJ/758/data/data10.in    |  3 +++
 S2OJ/758/data/data10.out   |  3 +++
 S2OJ/758/data/data2.in     |  3 +++
 S2OJ/758/data/data2.out    |  3 +++
 S2OJ/758/data/data3.in     |  3 +++
 S2OJ/758/data/data3.out    |  3 +++
 S2OJ/758/data/data4.in     |  3 +++
 S2OJ/758/data/data4.out    |  3 +++
 S2OJ/758/data/data5.in     |  3 +++
 S2OJ/758/data/data5.out    |  3 +++
 S2OJ/758/data/data6.in     |  3 +++
 S2OJ/758/data/data6.out    |  3 +++
 S2OJ/758/data/data7.in     |  3 +++
 S2OJ/758/data/data7.out    |  3 +++
 S2OJ/758/data/data8.in     |  3 +++
 S2OJ/758/data/data8.out    |  3 +++
 S2OJ/758/data/data9.in     |  3 +++
 S2OJ/758/data/data9.out    |  3 +++
 S2OJ/758/data/problem.conf |  3 +++
 22 files changed, 108 insertions(+)
 create mode 100644 S2OJ/758/758.cpp
 create mode 100644 S2OJ/758/data/data1.in
 create mode 100644 S2OJ/758/data/data1.out
 create mode 100644 S2OJ/758/data/data10.in
 create mode 100644 S2OJ/758/data/data10.out
 create mode 100644 S2OJ/758/data/data2.in
 create mode 100644 S2OJ/758/data/data2.out
 create mode 100644 S2OJ/758/data/data3.in
 create mode 100644 S2OJ/758/data/data3.out
 create mode 100644 S2OJ/758/data/data4.in
 create mode 100644 S2OJ/758/data/data4.out
 create mode 100644 S2OJ/758/data/data5.in
 create mode 100644 S2OJ/758/data/data5.out
 create mode 100644 S2OJ/758/data/data6.in
 create mode 100644 S2OJ/758/data/data6.out
 create mode 100644 S2OJ/758/data/data7.in
 create mode 100644 S2OJ/758/data/data7.out
 create mode 100644 S2OJ/758/data/data8.in
 create mode 100644 S2OJ/758/data/data8.out
 create mode 100644 S2OJ/758/data/data9.in
 create mode 100644 S2OJ/758/data/data9.out
 create mode 100644 S2OJ/758/data/problem.conf

diff --git a/S2OJ/758/758.cpp b/S2OJ/758/758.cpp
new file mode 100644
index 00000000..daae2d14
--- /dev/null
+++ b/S2OJ/758/758.cpp
@@ -0,0 +1,45 @@
+#include <iostream>
+#include <iomanip>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 15 + 2,
+          K = 105;
+
+int k, n, p[N], s[N];
+double f[K][1 << N];
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> k >> n;
+
+    for (int i = 1, x; i <= n; i++) {
+        cin >> p[i];
+
+        while (cin >> x, x) {
+            s[i] |= 1 << x - 1;
+        }
+    }
+
+    for (int i = k; i; i--) {
+        for (int t = 0; t < 1 << n; t++) {
+            for (int j = 1; j <= n; j++) {
+                if ((t & s[j]) == s[j]) {
+                    f[i][t] += std::max(f[i + 1][t], f[i + 1][t | (1 << j - 1)] + p[j]);
+                } else {
+                    f[i][t] += f[i + 1][t];
+                }
+            }
+
+            f[i][t] /= n;
+        }
+    }
+
+    cout << std::fixed << std::setprecision(6) << f[1][0] << endl;
+
+    return 0;
+}
diff --git a/S2OJ/758/data/data1.in b/S2OJ/758/data/data1.in
new file mode 100644
index 00000000..4f921680
--- /dev/null
+++ b/S2OJ/758/data/data1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e8f73df8e101a329c5f389bd6a84f5523410adedefb848565add400cbf1a9049
+size 231
diff --git a/S2OJ/758/data/data1.out b/S2OJ/758/data/data1.out
new file mode 100644
index 00000000..026d8adb
--- /dev/null
+++ b/S2OJ/758/data/data1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7e27ed1fbfe38b188d838abea0789d68fe6ec2a54bc9310157726109e13bd3cc
+size 15
diff --git a/S2OJ/758/data/data10.in b/S2OJ/758/data/data10.in
new file mode 100644
index 00000000..305adeae
--- /dev/null
+++ b/S2OJ/758/data/data10.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ad51faafe1b16e125f6c3823690c7c24655119a7fa28b935a561c180431a8615
+size 139
diff --git a/S2OJ/758/data/data10.out b/S2OJ/758/data/data10.out
new file mode 100644
index 00000000..27c3871c
--- /dev/null
+++ b/S2OJ/758/data/data10.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:070e9721f90575e3e5b627f34797ec0ee2b03ae987ad71fe1eb58f139a537f5e
+size 12
diff --git a/S2OJ/758/data/data2.in b/S2OJ/758/data/data2.in
new file mode 100644
index 00000000..0c3df3da
--- /dev/null
+++ b/S2OJ/758/data/data2.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eee7a0182ac0c13c05e157a28d96031e415ad21139651405f98f80ae5c6af543
+size 227
diff --git a/S2OJ/758/data/data2.out b/S2OJ/758/data/data2.out
new file mode 100644
index 00000000..3f4fc0f8
--- /dev/null
+++ b/S2OJ/758/data/data2.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:148e33b37b7ab26d9bce133fff63f493d7b9ae43b99b56f5899122762e4a04d1
+size 14
diff --git a/S2OJ/758/data/data3.in b/S2OJ/758/data/data3.in
new file mode 100644
index 00000000..e755ee35
--- /dev/null
+++ b/S2OJ/758/data/data3.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4249d567b85ef7ef942b20b7c929149c3a950acd7cfb33e019a8ec276835c5f3
+size 71
diff --git a/S2OJ/758/data/data3.out b/S2OJ/758/data/data3.out
new file mode 100644
index 00000000..315afeb6
--- /dev/null
+++ b/S2OJ/758/data/data3.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:727798bae4c28ff550b4ccee6f64581ac566c317117ff0e9b78b27e1f7fb20c9
+size 11
diff --git a/S2OJ/758/data/data4.in b/S2OJ/758/data/data4.in
new file mode 100644
index 00000000..0879e268
--- /dev/null
+++ b/S2OJ/758/data/data4.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b567e341b854a55be397710a65d43ab6ea5da0681fdf061e6387d6014e113428
+size 33
diff --git a/S2OJ/758/data/data4.out b/S2OJ/758/data/data4.out
new file mode 100644
index 00000000..8fb8ff15
--- /dev/null
+++ b/S2OJ/758/data/data4.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:79703f3872dff14e19d11a65e2b9bb974fa809d81525d85ef6eb1120d533bc55
+size 9
diff --git a/S2OJ/758/data/data5.in b/S2OJ/758/data/data5.in
new file mode 100644
index 00000000..096878f6
--- /dev/null
+++ b/S2OJ/758/data/data5.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0c37fdadb32f1508c0d4cab231e99b0492ac08caccd2ba4ac8c3dcce5637a74f
+size 82
diff --git a/S2OJ/758/data/data5.out b/S2OJ/758/data/data5.out
new file mode 100644
index 00000000..57f08d29
--- /dev/null
+++ b/S2OJ/758/data/data5.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b85b7925c208792b59452c385e1d9b8fdbd8eef1aaf8e56d6c2fb193de0d36f
+size 9
diff --git a/S2OJ/758/data/data6.in b/S2OJ/758/data/data6.in
new file mode 100644
index 00000000..0ae10e0c
--- /dev/null
+++ b/S2OJ/758/data/data6.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2fdadcc704bb26853e91dc959898ed023cf6a7c350203a9aeb24b990cf4191e7
+size 16
diff --git a/S2OJ/758/data/data6.out b/S2OJ/758/data/data6.out
new file mode 100644
index 00000000..1b48117d
--- /dev/null
+++ b/S2OJ/758/data/data6.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:65e8fe344f770e52ea7f3f8fc8633959361bb78e6ad3a178b7d3b1f16b6e2e9f
+size 9
diff --git a/S2OJ/758/data/data7.in b/S2OJ/758/data/data7.in
new file mode 100644
index 00000000..a51d05bf
--- /dev/null
+++ b/S2OJ/758/data/data7.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b3812b5edf4b4472e06607124a57f6dfee5297813ce9cb43eb4498e66c18ab9
+size 64
diff --git a/S2OJ/758/data/data7.out b/S2OJ/758/data/data7.out
new file mode 100644
index 00000000..69ffe68e
--- /dev/null
+++ b/S2OJ/758/data/data7.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c191b6cd7d0603a22fdaa194e904e0c671df80c0daaf4554cf3df998cc96c7c4
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diff --git a/S2OJ/758/data/data8.in b/S2OJ/758/data/data8.in
new file mode 100644
index 00000000..d04bfbc0
--- /dev/null
+++ b/S2OJ/758/data/data8.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d36c0d1f74e42db89f90f45c6977f175b04d14476fcc6468ab816c7499f897f8
+size 225
diff --git a/S2OJ/758/data/data8.out b/S2OJ/758/data/data8.out
new file mode 100644
index 00000000..156a8530
--- /dev/null
+++ b/S2OJ/758/data/data8.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3315fcb9b8c4438af532112350359940c62a28136a9668529b28bc442d23c979
+size 14
diff --git a/S2OJ/758/data/data9.in b/S2OJ/758/data/data9.in
new file mode 100644
index 00000000..b0ba50e7
--- /dev/null
+++ b/S2OJ/758/data/data9.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12026a5ff050f9ac7f7e3fa525b86733f02546114d673c28c64ac4541ad8a790
+size 22
diff --git a/S2OJ/758/data/data9.out b/S2OJ/758/data/data9.out
new file mode 100644
index 00000000..93eb602e
--- /dev/null
+++ b/S2OJ/758/data/data9.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:338dc188788f9f15aa9ed4df2ddadec8f39ae89f4717108d7d6b6ca27546261b
+size 9
diff --git a/S2OJ/758/data/problem.conf b/S2OJ/758/data/problem.conf
new file mode 100644
index 00000000..5167c29b
--- /dev/null
+++ b/S2OJ/758/data/problem.conf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0bca1ef95e6b2f9a5528c259d80b990b58662ae5c15d2e81c7ff17e5a1f18ebd
+size 193