diff --git "a/JHLEE325/202509/08 BOJ G5 \354\236\205\352\265\255\354\213\254\354\202\254.md" "b/JHLEE325/202509/08 BOJ G5 \354\236\205\352\265\255\354\213\254\354\202\254.md" new file mode 100644 index 00000000..1339ddae --- /dev/null +++ "b/JHLEE325/202509/08 BOJ G5 \354\236\205\352\265\255\354\213\254\354\202\254.md" @@ -0,0 +1,41 @@ +```java +import java.io.*; +import java.util.*; + +public class Main { + + public static void main(String[] args) throws IOException { + BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); + StringTokenizer st = new StringTokenizer(br.readLine()); + + int n = Integer.parseInt(st.nextToken()); + int m = Integer.parseInt(st.nextToken()); + + int[] immigration = new int[n]; + + for (int i = 0; i < n; i++) { + immigration[i] = Integer.parseInt(br.readLine()); + } + + long left = 1; + long right = 1000000000 * (long)m; + long res = 0; + + while (left <= right) { + long mid = (left + right) / 2; + long people = 0; + for (int i = 0; i < n; i++) { + people += mid / immigration[i]; + if (people >= m) break; + } + if (people >= m) { + res = mid; + right = mid - 1; + } else { + left = mid + 1; + } + } + System.out.println(res); + } +} +```