From 322a331727daa0be3c8bcbdb7accabc833e5b090 Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Sat, 7 Aug 2021 18:44:56 +0800
Subject: [PATCH] UVA1316 Supermarket

R55230910
---
 Luogu/problem/UVA1316/UVA1316.cpp | 38 +++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Luogu/problem/UVA1316/UVA1316.cpp

diff --git a/Luogu/problem/UVA1316/UVA1316.cpp b/Luogu/problem/UVA1316/UVA1316.cpp
new file mode 100644
index 00000000..f42d6616
--- /dev/null
+++ b/Luogu/problem/UVA1316/UVA1316.cpp
@@ -0,0 +1,38 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+struct node {
+    int expire, value;
+
+    const bool operator<(const node& b) const {
+        return expire > b.expire;
+    }
+} a[10005];
+
+int main() {
+    int n;
+    while (cin >> n) {
+        int d = 1, ans = 0;
+        priority_queue<int> q;
+        for (int i = 0; i < n; i++) {
+            cin >> a[i].value >> a[i].expire;
+        }
+        sort(a, a + n);
+        a[n].value = a[n].expire = 0;
+        for (int i = 0; i < n;) {
+            int last = a[i].expire;
+            while (a[i].expire == last) {
+                q.push(a[i++].value);
+            }
+            int lim = last - a[i].expire;
+            while (q.size() && lim) {
+                ans += q.top();
+                q.pop();
+                lim--;
+            }
+        }
+        cout << ans << endl;
+    }
+    return 0;
+}