From 407f1922d84531319b9c629090ba66d108313c12 Mon Sep 17 00:00:00 2001
From: sh0723 <pshpark12345@naver.com>
Date: Tue, 7 Jul 2026 12:32:33 +0900
Subject: [PATCH] =?UTF-8?q?2109=20:=20=EC=88=9C=ED=9A=8C=EA=B3=B5=EC=97=B0?=
 =?UTF-8?q?=20solve?=
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---
 src/week5/BOJ2109/BOJ2109_V1.cpp | 39 ++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/week5/BOJ2109/BOJ2109_V1.cpp

diff --git a/src/week5/BOJ2109/BOJ2109_V1.cpp b/src/week5/BOJ2109/BOJ2109_V1.cpp
new file mode 100644
index 0000000..0196c9e
--- /dev/null
+++ b/src/week5/BOJ2109/BOJ2109_V1.cpp
@@ -0,0 +1,39 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main() {
+
+    ios_base::sync_with_stdio(false);
+    cin.tie(NULL);
+    cout.tie(NULL);
+
+    int n;
+    cin >> n;
+
+    vector<pair<int, int>> inp;
+    for (int i = 0; i < n; i++) {
+        int p,d;
+        cin >> p >> d;
+        inp.push_back({d,p});
+    }
+
+    sort(inp.begin(), inp.end());
+
+    priority_queue<int, vector<int>, greater<int>> pq;
+
+    for (auto [d, p] : inp) {
+        pq.push(p);
+
+        if (pq.size() > d) {
+            pq.pop();
+        }
+    }
+    int ret = 0;
+    while(!pq.empty()) {
+        ret+=pq.top();
+        pq.pop();
+    }
+
+    cout << ret << '\n';
+
+    return 0;
+}
\ No newline at end of file