oj.uz

답안 #164307

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
164307 2019-11-19T06:26:09 Z fluffypotato Art Exhibition (JOI18_art) Java 11
0 / 100
 92 ms 9720 KB 
import java.util.*;
import java.io.*;

public class art {
    public static void main(String[] args) throws IOException{
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(new PrintStream(System.out));
        int n=Integer.parseInt(f.readLine());
        long ans=0;
//        Integer[]bob=new Integer[400];
//        Arrays.sort(bob);
        pair[]arr=new pair[n];
        for(int i=0;i<n;i++){
            StringTokenizer st=new StringTokenizer(f.readLine());
            long a=Long.parseLong(st.nextToken());
            long b=Long.parseLong(st.nextToken());
            ans=Math.max(ans,b);
            arr[i]=new pair(a,b);
        }
//        Arrays.sort(arr);
        long best=0;
        long pfx=0;
        long lastpfx=0;
        for(int i=0;i<n;i++){
            pfx+=arr[i].val;
            ans=Math.max(pfx-arr[i].size+best,ans);
            best=Math.max(best,-lastpfx+arr[i].size);
            lastpfx=pfx;
        }
        System.out.print(ans);

        f.close();
        out.close();
    }
}class pair implements Comparable <pair>{
    Long size;
    Long val;

    public int compareTo(pair other){
        if(size>other.size)return 1;
        return -1;
    }


    pair(long a, long b)
    {
        size=a;
        val=b;
    }
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 92 ms 9720 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 92 ms 9720 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 92 ms 9720 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 92 ms 9720 KB Output isn't correct
2 Halted 0 ms 0 KB -