From 0c692c1357a83fb0ceeee5d3ae18861134c11aea Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Thu, 15 Sep 2022 17:07:38 +0800
Subject: [PATCH] 3312. [USACO2013 Nov] No Change

https://hydro.ac/d/bzoj/record/6322eb3d32ae6c3198cc9a01
---
 BZOJ/3312/3312.cpp    | 69 +++++++++++++++++++++++++++++++++++++++++++
 BZOJ/3312/data/1.in   |  3 ++
 BZOJ/3312/data/1.out  |  3 ++
 BZOJ/3312/data/10.in  |  3 ++
 BZOJ/3312/data/10.out |  3 ++
 BZOJ/3312/data/11.in  |  3 ++
 BZOJ/3312/data/11.out |  3 ++
 BZOJ/3312/data/12.in  |  3 ++
 BZOJ/3312/data/12.out |  3 ++
 BZOJ/3312/data/13.in  |  3 ++
 BZOJ/3312/data/13.out |  3 ++
 BZOJ/3312/data/2.in   |  3 ++
 BZOJ/3312/data/2.out  |  3 ++
 BZOJ/3312/data/3.in   |  3 ++
 BZOJ/3312/data/3.out  |  3 ++
 BZOJ/3312/data/4.in   |  3 ++
 BZOJ/3312/data/4.out  |  3 ++
 BZOJ/3312/data/5.in   |  3 ++
 BZOJ/3312/data/5.out  |  3 ++
 BZOJ/3312/data/6.in   |  3 ++
 BZOJ/3312/data/6.out  |  3 ++
 BZOJ/3312/data/7.in   |  3 ++
 BZOJ/3312/data/7.out  |  3 ++
 BZOJ/3312/data/8.in   |  3 ++
 BZOJ/3312/data/8.out  |  3 ++
 BZOJ/3312/data/9.in   |  3 ++
 BZOJ/3312/data/9.out  |  3 ++
 27 files changed, 147 insertions(+)
 create mode 100644 BZOJ/3312/3312.cpp
 create mode 100644 BZOJ/3312/data/1.in
 create mode 100644 BZOJ/3312/data/1.out
 create mode 100644 BZOJ/3312/data/10.in
 create mode 100644 BZOJ/3312/data/10.out
 create mode 100644 BZOJ/3312/data/11.in
 create mode 100644 BZOJ/3312/data/11.out
 create mode 100644 BZOJ/3312/data/12.in
 create mode 100644 BZOJ/3312/data/12.out
 create mode 100644 BZOJ/3312/data/13.in
 create mode 100644 BZOJ/3312/data/13.out
 create mode 100644 BZOJ/3312/data/2.in
 create mode 100644 BZOJ/3312/data/2.out
 create mode 100644 BZOJ/3312/data/3.in
 create mode 100644 BZOJ/3312/data/3.out
 create mode 100644 BZOJ/3312/data/4.in
 create mode 100644 BZOJ/3312/data/4.out
 create mode 100644 BZOJ/3312/data/5.in
 create mode 100644 BZOJ/3312/data/5.out
 create mode 100644 BZOJ/3312/data/6.in
 create mode 100644 BZOJ/3312/data/6.out
 create mode 100644 BZOJ/3312/data/7.in
 create mode 100644 BZOJ/3312/data/7.out
 create mode 100644 BZOJ/3312/data/8.in
 create mode 100644 BZOJ/3312/data/8.out
 create mode 100644 BZOJ/3312/data/9.in
 create mode 100644 BZOJ/3312/data/9.out

diff --git a/BZOJ/3312/3312.cpp b/BZOJ/3312/3312.cpp
new file mode 100644
index 00000000..e8377859
--- /dev/null
+++ b/BZOJ/3312/3312.cpp
@@ -0,0 +1,69 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 100005;
+
+int k, n, w[20], s[N], f[1 << 17], ans;
+bool flag;
+
+inline int find(int x, int y) {
+    int l = f[x],
+        r = std::min(n, f[x] + w[y]);
+
+    int res = l;
+    while (l <= r) {
+        int mid = l + r >> 1;
+
+        if (s[mid] - s[f[x]] <= w[y]) {
+            res = mid;
+            l = mid + 1;
+        } else {
+            r = mid - 1;
+        }
+    }
+
+    return res;
+}
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> k >> n;
+
+    for (int i = 0; i < k; i++) {
+        cin >> w[i];
+    }
+
+    for (int i = 1, x; i <= n; i++) {
+        cin >> x;
+
+        s[i] = s[i - 1] + x;
+    }
+
+    for (int i = 0; i < 1 << k; i++) {
+        for (int j = 0; j < k; j++) {
+            if (!(i & (1 << j))) {
+                f[i | (1 << j)] = std::max(f[i | (1 << j)], find(i, j));
+            }
+        }
+
+        if (f[i] == n) {
+            flag = true;
+
+            int sum = 0;
+            for (int j = 0; j < k; j++) {
+                if (!(i & (1 << j))) sum += w[j];
+            }
+
+            ans = std::max(ans, sum);
+        }
+    }
+
+    cout << (flag ? ans : -1) << endl;
+
+    return 0;
+}
diff --git a/BZOJ/3312/data/1.in b/BZOJ/3312/data/1.in
new file mode 100644
index 00000000..cc1babef
--- /dev/null
+++ b/BZOJ/3312/data/1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ffdd9d1d7e9ce47d9cbce7af6907b55fa43b0371a229e833a3b3990ff047a5bf
+size 78
diff --git a/BZOJ/3312/data/1.out b/BZOJ/3312/data/1.out
new file mode 100644
index 00000000..311c4506
--- /dev/null
+++ b/BZOJ/3312/data/1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ee3aa64bb94a50845d5024cd4bd20202a4567aed5cd5328c0d97e9920775fc28
+size 3
diff --git a/BZOJ/3312/data/10.in b/BZOJ/3312/data/10.in
new file mode 100644
index 00000000..f65a05c3
--- /dev/null
+++ b/BZOJ/3312/data/10.in
@@ -0,0 +1,3 @@
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diff --git a/BZOJ/3312/data/10.out b/BZOJ/3312/data/10.out
new file mode 100644
index 00000000..8c6d9a12
--- /dev/null
+++ b/BZOJ/3312/data/10.out
@@ -0,0 +1,3 @@
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diff --git a/BZOJ/3312/data/11.in b/BZOJ/3312/data/11.in
new file mode 100644
index 00000000..c3109f3e
--- /dev/null
+++ b/BZOJ/3312/data/11.in
@@ -0,0 +1,3 @@
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+oid sha256:986718948b83f5a5cad2c8c30f8e992413e9353cbb731828595527c107525185
+size 489165
diff --git a/BZOJ/3312/data/11.out b/BZOJ/3312/data/11.out
new file mode 100644
index 00000000..edaa6824
--- /dev/null
+++ b/BZOJ/3312/data/11.out
@@ -0,0 +1,3 @@
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diff --git a/BZOJ/3312/data/12.in b/BZOJ/3312/data/12.in
new file mode 100644
index 00000000..8d1138a5
--- /dev/null
+++ b/BZOJ/3312/data/12.in
@@ -0,0 +1,3 @@
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+size 25
diff --git a/BZOJ/3312/data/12.out b/BZOJ/3312/data/12.out
new file mode 100644
index 00000000..396b6814
--- /dev/null
+++ b/BZOJ/3312/data/12.out
@@ -0,0 +1,3 @@
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+size 3
diff --git a/BZOJ/3312/data/13.in b/BZOJ/3312/data/13.in
new file mode 100644
index 00000000..54e18ac1
--- /dev/null
+++ b/BZOJ/3312/data/13.in
@@ -0,0 +1,3 @@
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+size 489228
diff --git a/BZOJ/3312/data/13.out b/BZOJ/3312/data/13.out
new file mode 100644
index 00000000..d2e7d744
--- /dev/null
+++ b/BZOJ/3312/data/13.out
@@ -0,0 +1,3 @@
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diff --git a/BZOJ/3312/data/2.in b/BZOJ/3312/data/2.in
new file mode 100644
index 00000000..05e18cb1
--- /dev/null
+++ b/BZOJ/3312/data/2.in
@@ -0,0 +1,3 @@
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diff --git a/BZOJ/3312/data/2.out b/BZOJ/3312/data/2.out
new file mode 100644
index 00000000..804fcc90
--- /dev/null
+++ b/BZOJ/3312/data/2.out
@@ -0,0 +1,3 @@
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+size 2
diff --git a/BZOJ/3312/data/3.in b/BZOJ/3312/data/3.in
new file mode 100644
index 00000000..b97f8869
--- /dev/null
+++ b/BZOJ/3312/data/3.in
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new file mode 100644
index 00000000..863f38af
--- /dev/null
+++ b/BZOJ/3312/data/3.out
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new file mode 100644
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new file mode 100644
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--- /dev/null
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new file mode 100644
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--- /dev/null
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new file mode 100644
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new file mode 100644
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--- /dev/null
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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--- /dev/null
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new file mode 100644
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--- /dev/null
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