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;
ArrayList<pair>arr=new ArrayList<>();
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.add(new pair(a,b));
}
Collections.sort(arr);
long best=0;
long pfx=0;
long lastpfx=0;
for(int i=0;i<n;i++){
pfx+=arr.get(i).val;
ans=Math.max(pfx-arr.get(i).size+best,ans);
best=Math.max(best,-lastpfx+arr.get(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;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
9844 KB |
Output is correct |
2 |
Correct |
121 ms |
9772 KB |
Output is correct |
3 |
Correct |
91 ms |
9928 KB |
Output is correct |
4 |
Correct |
89 ms |
9700 KB |
Output is correct |
5 |
Correct |
90 ms |
9612 KB |
Output is correct |
6 |
Correct |
90 ms |
9824 KB |
Output is correct |
7 |
Correct |
93 ms |
9696 KB |
Output is correct |
8 |
Correct |
91 ms |
9956 KB |
Output is correct |
9 |
Correct |
92 ms |
9556 KB |
Output is correct |
10 |
Correct |
89 ms |
9816 KB |
Output is correct |
11 |
Correct |
88 ms |
9828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
9844 KB |
Output is correct |
2 |
Correct |
121 ms |
9772 KB |
Output is correct |
3 |
Correct |
91 ms |
9928 KB |
Output is correct |
4 |
Correct |
89 ms |
9700 KB |
Output is correct |
5 |
Correct |
90 ms |
9612 KB |
Output is correct |
6 |
Correct |
90 ms |
9824 KB |
Output is correct |
7 |
Correct |
93 ms |
9696 KB |
Output is correct |
8 |
Correct |
91 ms |
9956 KB |
Output is correct |
9 |
Correct |
92 ms |
9556 KB |
Output is correct |
10 |
Correct |
89 ms |
9816 KB |
Output is correct |
11 |
Correct |
88 ms |
9828 KB |
Output is correct |
12 |
Correct |
107 ms |
10256 KB |
Output is correct |
13 |
Correct |
107 ms |
10436 KB |
Output is correct |
14 |
Correct |
126 ms |
10588 KB |
Output is correct |
15 |
Correct |
109 ms |
10592 KB |
Output is correct |
16 |
Correct |
106 ms |
10644 KB |
Output is correct |
17 |
Correct |
106 ms |
10412 KB |
Output is correct |
18 |
Correct |
109 ms |
10492 KB |
Output is correct |
19 |
Correct |
104 ms |
10672 KB |
Output is correct |
20 |
Correct |
104 ms |
10592 KB |
Output is correct |
21 |
Correct |
104 ms |
10760 KB |
Output is correct |
22 |
Correct |
105 ms |
10636 KB |
Output is correct |
23 |
Correct |
105 ms |
10676 KB |
Output is correct |
24 |
Correct |
115 ms |
10780 KB |
Output is correct |
25 |
Correct |
107 ms |
10392 KB |
Output is correct |
26 |
Correct |
108 ms |
10648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
9844 KB |
Output is correct |
2 |
Correct |
121 ms |
9772 KB |
Output is correct |
3 |
Correct |
91 ms |
9928 KB |
Output is correct |
4 |
Correct |
89 ms |
9700 KB |
Output is correct |
5 |
Correct |
90 ms |
9612 KB |
Output is correct |
6 |
Correct |
90 ms |
9824 KB |
Output is correct |
7 |
Correct |
93 ms |
9696 KB |
Output is correct |
8 |
Correct |
91 ms |
9956 KB |
Output is correct |
9 |
Correct |
92 ms |
9556 KB |
Output is correct |
10 |
Correct |
89 ms |
9816 KB |
Output is correct |
11 |
Correct |
88 ms |
9828 KB |
Output is correct |
12 |
Correct |
107 ms |
10256 KB |
Output is correct |
13 |
Correct |
107 ms |
10436 KB |
Output is correct |
14 |
Correct |
126 ms |
10588 KB |
Output is correct |
15 |
Correct |
109 ms |
10592 KB |
Output is correct |
16 |
Correct |
106 ms |
10644 KB |
Output is correct |
17 |
Correct |
106 ms |
10412 KB |
Output is correct |
18 |
Correct |
109 ms |
10492 KB |
Output is correct |
19 |
Correct |
104 ms |
10672 KB |
Output is correct |
20 |
Correct |
104 ms |
10592 KB |
Output is correct |
21 |
Correct |
104 ms |
10760 KB |
Output is correct |
22 |
Correct |
105 ms |
10636 KB |
Output is correct |
23 |
Correct |
105 ms |
10676 KB |
Output is correct |
24 |
Correct |
115 ms |
10780 KB |
Output is correct |
25 |
Correct |
107 ms |
10392 KB |
Output is correct |
26 |
Correct |
108 ms |
10648 KB |
Output is correct |
27 |
Correct |
198 ms |
15092 KB |
Output is correct |
28 |
Correct |
198 ms |
15436 KB |
Output is correct |
29 |
Correct |
237 ms |
15504 KB |
Output is correct |
30 |
Correct |
202 ms |
15264 KB |
Output is correct |
31 |
Correct |
202 ms |
15420 KB |
Output is correct |
32 |
Correct |
204 ms |
15512 KB |
Output is correct |
33 |
Correct |
204 ms |
15408 KB |
Output is correct |
34 |
Correct |
230 ms |
15656 KB |
Output is correct |
35 |
Correct |
191 ms |
15440 KB |
Output is correct |
36 |
Correct |
198 ms |
15228 KB |
Output is correct |
37 |
Correct |
194 ms |
15108 KB |
Output is correct |
38 |
Correct |
220 ms |
15600 KB |
Output is correct |
39 |
Correct |
265 ms |
15616 KB |
Output is correct |
40 |
Correct |
202 ms |
15124 KB |
Output is correct |
41 |
Correct |
234 ms |
15396 KB |
Output is correct |
42 |
Correct |
215 ms |
15620 KB |
Output is correct |
43 |
Correct |
217 ms |
15848 KB |
Output is correct |
44 |
Correct |
207 ms |
15368 KB |
Output is correct |
45 |
Correct |
192 ms |
15256 KB |
Output is correct |
46 |
Correct |
207 ms |
15584 KB |
Output is correct |
47 |
Correct |
228 ms |
15088 KB |
Output is correct |
48 |
Correct |
201 ms |
15448 KB |
Output is correct |
49 |
Correct |
193 ms |
15216 KB |
Output is correct |
50 |
Correct |
201 ms |
15316 KB |
Output is correct |
51 |
Correct |
197 ms |
15268 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
9844 KB |
Output is correct |
2 |
Correct |
121 ms |
9772 KB |
Output is correct |
3 |
Correct |
91 ms |
9928 KB |
Output is correct |
4 |
Correct |
89 ms |
9700 KB |
Output is correct |
5 |
Correct |
90 ms |
9612 KB |
Output is correct |
6 |
Correct |
90 ms |
9824 KB |
Output is correct |
7 |
Correct |
93 ms |
9696 KB |
Output is correct |
8 |
Correct |
91 ms |
9956 KB |
Output is correct |
9 |
Correct |
92 ms |
9556 KB |
Output is correct |
10 |
Correct |
89 ms |
9816 KB |
Output is correct |
11 |
Correct |
88 ms |
9828 KB |
Output is correct |
12 |
Correct |
107 ms |
10256 KB |
Output is correct |
13 |
Correct |
107 ms |
10436 KB |
Output is correct |
14 |
Correct |
126 ms |
10588 KB |
Output is correct |
15 |
Correct |
109 ms |
10592 KB |
Output is correct |
16 |
Correct |
106 ms |
10644 KB |
Output is correct |
17 |
Correct |
106 ms |
10412 KB |
Output is correct |
18 |
Correct |
109 ms |
10492 KB |
Output is correct |
19 |
Correct |
104 ms |
10672 KB |
Output is correct |
20 |
Correct |
104 ms |
10592 KB |
Output is correct |
21 |
Correct |
104 ms |
10760 KB |
Output is correct |
22 |
Correct |
105 ms |
10636 KB |
Output is correct |
23 |
Correct |
105 ms |
10676 KB |
Output is correct |
24 |
Correct |
115 ms |
10780 KB |
Output is correct |
25 |
Correct |
107 ms |
10392 KB |
Output is correct |
26 |
Correct |
108 ms |
10648 KB |
Output is correct |
27 |
Correct |
198 ms |
15092 KB |
Output is correct |
28 |
Correct |
198 ms |
15436 KB |
Output is correct |
29 |
Correct |
237 ms |
15504 KB |
Output is correct |
30 |
Correct |
202 ms |
15264 KB |
Output is correct |
31 |
Correct |
202 ms |
15420 KB |
Output is correct |
32 |
Correct |
204 ms |
15512 KB |
Output is correct |
33 |
Correct |
204 ms |
15408 KB |
Output is correct |
34 |
Correct |
230 ms |
15656 KB |
Output is correct |
35 |
Correct |
191 ms |
15440 KB |
Output is correct |
36 |
Correct |
198 ms |
15228 KB |
Output is correct |
37 |
Correct |
194 ms |
15108 KB |
Output is correct |
38 |
Correct |
220 ms |
15600 KB |
Output is correct |
39 |
Correct |
265 ms |
15616 KB |
Output is correct |
40 |
Correct |
202 ms |
15124 KB |
Output is correct |
41 |
Correct |
234 ms |
15396 KB |
Output is correct |
42 |
Correct |
215 ms |
15620 KB |
Output is correct |
43 |
Correct |
217 ms |
15848 KB |
Output is correct |
44 |
Correct |
207 ms |
15368 KB |
Output is correct |
45 |
Correct |
192 ms |
15256 KB |
Output is correct |
46 |
Correct |
207 ms |
15584 KB |
Output is correct |
47 |
Correct |
228 ms |
15088 KB |
Output is correct |
48 |
Correct |
201 ms |
15448 KB |
Output is correct |
49 |
Correct |
193 ms |
15216 KB |
Output is correct |
50 |
Correct |
201 ms |
15316 KB |
Output is correct |
51 |
Correct |
197 ms |
15268 KB |
Output is correct |
52 |
Execution timed out |
1022 ms |
102228 KB |
Time limit exceeded |
53 |
Halted |
0 ms |
0 KB |
- |