[20250203] BOJ / 골드5 / 시간 관리 / 김수연

Author: suyeun84

suyeun84/202502/03 BOJ G5 시간 관리.md

@@ -0,0 +1,55 @@
+```java
+import java.util.*;
+import java.io.*;
+
+class Solution
+{
+	static Work[] works;
+	
+	public static void main(String[] args) throws Exception{
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		StringTokenizer st = new StringTokenizer(br.readLine());
+		
+		int N = Integer.parseInt(st.nextToken());
+		works = new Work[N];
+		for (int i = 0; i < N; i++) {
+			st = new StringTokenizer(br.readLine());
+			works[i] = new Work(Integer.parseInt(st.nextToken()), Integer.parseInt(st.nextToken()));
+		}
+		
+		Arrays.sort(works, (o1, o2) -> {
+			if (o1.s != o2.s) return o1.s-o2.s;
+			return o2.t-o1.t;
+		});
+		
+		int answer = works[0].s - works[0].t;
+		while (answer >= 0) {
+			if (check(answer)) {
+				System.out.println(answer);
+				return;
+			}
+			answer -= 1;
+		}
+		System.out.println(-1);
+	}
+	
+	static boolean check(int start) {
+		int curr = start;
+		for (Work w : works) {
+			if (curr + w.t > w.s) return false;
+			curr += w.t;
+		}
+		return true;
+	}
+	
+	static class Work {
+		int t;
+		int s;
+		public Work(int t, int s) {
+			this.t = t;
+			this.s = s;
+		}
+	}
+}
+
+```