From ad28fdb10efb2d86a7e3848ab0019acd3797bbe8 Mon Sep 17 00:00:00 2001
From: Donew <47556347+03do-new30@users.noreply.github.com>
Date: Wed, 19 Mar 2025 22:43:15 +0900
Subject: [PATCH] =?UTF-8?q?[20250319]=20BOJ=20/=20=EA=B3=A8=EB=93=9C1=20/?=
 =?UTF-8?q?=20K=EB=B2=88=EC=A7=B8=20=EC=88=98=20/=20=EC=8B=A0=EB=8F=99?=
 =?UTF-8?q?=EC=9C=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...K\353\262\210\354\247\270 \354\210\230.md" | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 "03do-new30/202503/19 BOJ G1 K\353\262\210\354\247\270 \354\210\230.md"

diff --git "a/03do-new30/202503/19 BOJ G1 K\353\262\210\354\247\270 \354\210\230.md" "b/03do-new30/202503/19 BOJ G1 K\353\262\210\354\247\270 \354\210\230.md"
new file mode 100644
index 00000000..c7b0f167
--- /dev/null
+++ "b/03do-new30/202503/19 BOJ G1 K\353\262\210\354\247\270 \354\210\230.md"	
@@ -0,0 +1,28 @@
+```java
+import java.util.*;
+public class Main {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        int k = sc.nextInt();
+        // 이분탐색
+        long left = 0L;
+        long right = (long) n * n;
+        long answer = 0;
+        while (left <= right) {
+            long mid = (left + right) / 2;
+            long cnt = 0;
+            for (int i = 1; i <= n; i++) {
+                cnt += Math.min(mid / i, n);
+            }
+            if (cnt >= k) {
+                answer = mid;
+                right = mid - 1;
+            } else {
+                left = mid + 1;
+            }
+        }
+        System.out.println(answer);
+    }
+}
+```