From cb74a3aa99fe847db3bb29feddf4aeaef4ffd3d2 Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Thu, 23 Feb 2023 10:14:03 +0800
Subject: [PATCH] =?UTF-8?q?#254.=20=E6=94=BE=E7=82=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

https://sjzezoj.com/submission/71982
---
 S2OJ/254/254.cpp           | 87 ++++++++++++++++++++++++++++++++++++++
 S2OJ/254/data/problem.conf |  3 ++
 S2OJ/254/data/wwxwwx1.in   |  3 ++
 S2OJ/254/data/wwxwwx1.out  |  3 ++
 S2OJ/254/data/wwxwwx10.in  |  3 ++
 S2OJ/254/data/wwxwwx10.out |  3 ++
 S2OJ/254/data/wwxwwx2.in   |  3 ++
 S2OJ/254/data/wwxwwx2.out  |  3 ++
 S2OJ/254/data/wwxwwx3.in   |  3 ++
 S2OJ/254/data/wwxwwx3.out  |  3 ++
 S2OJ/254/data/wwxwwx4.in   |  3 ++
 S2OJ/254/data/wwxwwx4.out  |  3 ++
 S2OJ/254/data/wwxwwx5.in   |  3 ++
 S2OJ/254/data/wwxwwx5.out  |  3 ++
 S2OJ/254/data/wwxwwx6.in   |  3 ++
 S2OJ/254/data/wwxwwx6.out  |  3 ++
 S2OJ/254/data/wwxwwx7.in   |  3 ++
 S2OJ/254/data/wwxwwx7.out  |  3 ++
 S2OJ/254/data/wwxwwx8.in   |  3 ++
 S2OJ/254/data/wwxwwx8.out  |  3 ++
 S2OJ/254/data/wwxwwx9.in   |  3 ++
 S2OJ/254/data/wwxwwx9.out  |  3 ++
 22 files changed, 150 insertions(+)
 create mode 100644 S2OJ/254/254.cpp
 create mode 100644 S2OJ/254/data/problem.conf
 create mode 100644 S2OJ/254/data/wwxwwx1.in
 create mode 100644 S2OJ/254/data/wwxwwx1.out
 create mode 100644 S2OJ/254/data/wwxwwx10.in
 create mode 100644 S2OJ/254/data/wwxwwx10.out
 create mode 100644 S2OJ/254/data/wwxwwx2.in
 create mode 100644 S2OJ/254/data/wwxwwx2.out
 create mode 100644 S2OJ/254/data/wwxwwx3.in
 create mode 100644 S2OJ/254/data/wwxwwx3.out
 create mode 100644 S2OJ/254/data/wwxwwx4.in
 create mode 100644 S2OJ/254/data/wwxwwx4.out
 create mode 100644 S2OJ/254/data/wwxwwx5.in
 create mode 100644 S2OJ/254/data/wwxwwx5.out
 create mode 100644 S2OJ/254/data/wwxwwx6.in
 create mode 100644 S2OJ/254/data/wwxwwx6.out
 create mode 100644 S2OJ/254/data/wwxwwx7.in
 create mode 100644 S2OJ/254/data/wwxwwx7.out
 create mode 100644 S2OJ/254/data/wwxwwx8.in
 create mode 100644 S2OJ/254/data/wwxwwx8.out
 create mode 100644 S2OJ/254/data/wwxwwx9.in
 create mode 100644 S2OJ/254/data/wwxwwx9.out

diff --git a/S2OJ/254/254.cpp b/S2OJ/254/254.cpp
new file mode 100644
index 00000000..11cc1fd7
--- /dev/null
+++ b/S2OJ/254/254.cpp
@@ -0,0 +1,87 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 105;
+const int mod = 9999973;
+
+int n, m;
+long long f[N][N][N]{1}, ans;
+
+long long C(long long x) {
+    return x * (x - 1) / 2;
+}
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> n >> m;
+
+    for (int i = 1; i <= n; i++) {
+        // 不增加炮
+        for (int j = 0; j <= m; j++) {
+            for (int k = 0; j + k <= m; k++) {
+                f[i][j][k] = f[i - 1][j][k];
+            }
+        }
+
+        // 增加 1 个炮
+        //
+        // 从 1 个炮增加到 2 个炮
+        for (int j = 0; j <= m; j++) {
+            for (int k = 1; j + k <= m; k++) {
+                f[i][j][k] = (f[i][j][k] + f[i - 1][j + 1][k - 1] * (j + 1) % mod) % mod;
+            }
+        }
+
+        // 增加 1 个炮
+        //
+        // 从 0 个炮增加到 1 个炮
+        for (int j = 1; j <= m; j++) {
+            for (int k = 0; j + k <= m; k++) {
+                f[i][j][k] = (f[i][j][k] + f[i - 1][j - 1][k] * (m - j - k + 1) % mod) % mod;
+            }
+        }
+
+        // 增加 2 个炮
+        //
+        // 一列从 0 个炮增加到 1 个炮
+        // 一列从 1 个炮增加到 2 个炮
+        for (int j = 0; j <= m; j++) {
+            for (int k = 1; j + k <= m; k++) {
+                f[i][j][k] = (f[i][j][k] + f[i - 1][j][k - 1] * j * (m - j - k + 1) % mod) % mod;
+            }
+        }
+
+        // 增加 2 个炮
+        //
+        // 两列从 0 个炮增加到 1 个炮
+        for (int j = 2; j <= m; j++) {
+            for (int k = 0; j + k <= m; k++) {
+                f[i][j][k] = (f[i][j][k] + f[i - 1][j - 2][k] * C(m - j - k + 2) % mod) % mod;
+            }
+        }
+
+        // 增加 2 个炮
+        //
+        // 两列从 1 个炮增加到 2 个炮
+        for (int j = 0; j <= m; j++) {
+            for (int k = 2; j + k <= m; k++) {
+                f[i][j][k] = (f[i][j][k] + f[i - 1][j + 2][k - 2] * C(j + 2) % mod) % mod;
+            }
+        }
+    }
+
+    for (int i = 0; i <= m; i++) {
+        for (int j = 0; i + j <= m; j++) {
+            ans = (ans + f[n][i][j]) % mod;
+        }
+    }
+
+    cout << ans << endl;
+
+    return 0;
+}
diff --git a/S2OJ/254/data/problem.conf b/S2OJ/254/data/problem.conf
new file mode 100644
index 00000000..2c44d1c4
--- /dev/null
+++ b/S2OJ/254/data/problem.conf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f86fde07f31a1532c0a8584ef897d9b24e989055d64ae2e17327b8932f969de
+size 197
diff --git a/S2OJ/254/data/wwxwwx1.in b/S2OJ/254/data/wwxwwx1.in
new file mode 100644
index 00000000..46d33a80
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f11ad6bbc7ecca0b2416b713dee77f1a635c00aaeaa946e14cde1c2bfae56d5
+size 4
diff --git a/S2OJ/254/data/wwxwwx1.out b/S2OJ/254/data/wwxwwx1.out
new file mode 100644
index 00000000..38118f32
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53c234e5e8472b6ac51c1ae1cab3fe06fad053beb8ebfd8977b010655bfdd3c3
+size 2
diff --git a/S2OJ/254/data/wwxwwx10.in b/S2OJ/254/data/wwxwwx10.in
new file mode 100644
index 00000000..32167554
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx10.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6767d5f988fc2165a5d987988f42011e21322be30147e250bad9bf0aac53f25b
+size 6
diff --git a/S2OJ/254/data/wwxwwx10.out b/S2OJ/254/data/wwxwwx10.out
new file mode 100644
index 00000000..126f2dac
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx10.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:503eb0dd20d4002cd2725985ecf5649227621e1835b9b5ef0bbe1906ab0bb1d0
+size 8
diff --git a/S2OJ/254/data/wwxwwx2.in b/S2OJ/254/data/wwxwwx2.in
new file mode 100644
index 00000000..360c58ba
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx2.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0210d51797921a617229eea6331ca1ee037b676ebc25e1a146e54c5c6dbf4881
+size 4
diff --git a/S2OJ/254/data/wwxwwx2.out b/S2OJ/254/data/wwxwwx2.out
new file mode 100644
index 00000000..56d7dd00
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx2.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f14b4987904bcb5814e4459a057ed4d20f58a633152288a761214dcd28780b56
+size 3
diff --git a/S2OJ/254/data/wwxwwx3.in b/S2OJ/254/data/wwxwwx3.in
new file mode 100644
index 00000000..2407aea3
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx3.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d774aa7655071c0c8e65f52bf6a4dbdf7629769ec767fb916ae9f8508211ad8d
+size 4
diff --git a/S2OJ/254/data/wwxwwx3.out b/S2OJ/254/data/wwxwwx3.out
new file mode 100644
index 00000000..9f59972f
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx3.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6657da15f532008b96e4d12ed7a461a51e186392e8c8006c1e12d9cf7649642d
+size 8
diff --git a/S2OJ/254/data/wwxwwx4.in b/S2OJ/254/data/wwxwwx4.in
new file mode 100644
index 00000000..db94a8a0
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx4.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0b3753260cdf5c407a76c142b1651b61feb77068c97b495ca3c627b2bdb6e184
+size 4
diff --git a/S2OJ/254/data/wwxwwx4.out b/S2OJ/254/data/wwxwwx4.out
new file mode 100644
index 00000000..b2db8e1c
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx4.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cdd76c2eb8f71bcdbb971f354a04440e7a54b0fa0922585c4a33360ae519b8e
+size 8
diff --git a/S2OJ/254/data/wwxwwx5.in b/S2OJ/254/data/wwxwwx5.in
new file mode 100644
index 00000000..a879da29
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx5.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:710be522d9548d4fada099b9516bd6e79e419558a0f84e9d3486b9f83876afd4
+size 4
diff --git a/S2OJ/254/data/wwxwwx5.out b/S2OJ/254/data/wwxwwx5.out
new file mode 100644
index 00000000..b468a593
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx5.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99aa321e58bccbec3dcc8c6a986f4803d541d7fbfc959a1a292ae4b0409f872d
+size 7
diff --git a/S2OJ/254/data/wwxwwx6.in b/S2OJ/254/data/wwxwwx6.in
new file mode 100644
index 00000000..32167554
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx6.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6767d5f988fc2165a5d987988f42011e21322be30147e250bad9bf0aac53f25b
+size 6
diff --git a/S2OJ/254/data/wwxwwx6.out b/S2OJ/254/data/wwxwwx6.out
new file mode 100644
index 00000000..126f2dac
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx6.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:503eb0dd20d4002cd2725985ecf5649227621e1835b9b5ef0bbe1906ab0bb1d0
+size 8
diff --git a/S2OJ/254/data/wwxwwx7.in b/S2OJ/254/data/wwxwwx7.in
new file mode 100644
index 00000000..7728ed23
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx7.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ac6957bfa1223d144b9a23569a388b6f283d613a3b30d55b5175e9889e7e617
+size 6
diff --git a/S2OJ/254/data/wwxwwx7.out b/S2OJ/254/data/wwxwwx7.out
new file mode 100644
index 00000000..5771e4ea
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx7.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e685dc4f8094f363bbe81777e5449418db09353a72bc16b900a99d1fc7fdf3e
+size 8
diff --git a/S2OJ/254/data/wwxwwx8.in b/S2OJ/254/data/wwxwwx8.in
new file mode 100644
index 00000000..fa40ebe2
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx8.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd2694d2518b957ba772e47c714284b99a4c95f46f86b6e138986fb12861815c
+size 6
diff --git a/S2OJ/254/data/wwxwwx8.out b/S2OJ/254/data/wwxwwx8.out
new file mode 100644
index 00000000..71df6eb6
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx8.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8860c6ae71f4b1dbe2b0674d9551af12d64ed6700bd4f5b450cfd3880c82998e
+size 8
diff --git a/S2OJ/254/data/wwxwwx9.in b/S2OJ/254/data/wwxwwx9.in
new file mode 100644
index 00000000..c3f8f28a
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx9.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80938992d1a231379e2ec450829096a4025b46923366c9413d04c5dd256f24bf
+size 6
diff --git a/S2OJ/254/data/wwxwwx9.out b/S2OJ/254/data/wwxwwx9.out
new file mode 100644
index 00000000..14f89dd7
--- /dev/null
+++ b/S2OJ/254/data/wwxwwx9.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33d8afd654a6f2f2ae2ceb18501f775c0e2b44c17b390bbee4a93767bb91606a
+size 8