#include <iostream>
#include <algorithm>
#define f first
#define s second
using namespace std;
long long n, ans, ps[500010], maxx[500010];
pair<long long, long long> a[500010];
int main() {
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i].f >> a[i].s;
sort(a+1,a+n+1);
for (int i = 1; i <= n; i++) ps[i] = ps[i-1]+a[i].s;
maxx[n+1] = -1e18;
for (int i = n; i >= 1; i--) maxx[i] = max(maxx[i+1],ps[i]-a[i].f);
for (int i = 1; i <= n; i++) ans = max(ans,maxx[i]+a[i].f-ps[i-1]);
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
316 KB |
Output is correct |
18 |
Correct |
1 ms |
312 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
316 KB |
Output is correct |
18 |
Correct |
1 ms |
312 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
6 ms |
556 KB |
Output is correct |
28 |
Correct |
6 ms |
596 KB |
Output is correct |
29 |
Correct |
9 ms |
512 KB |
Output is correct |
30 |
Correct |
7 ms |
596 KB |
Output is correct |
31 |
Correct |
6 ms |
496 KB |
Output is correct |
32 |
Correct |
6 ms |
552 KB |
Output is correct |
33 |
Correct |
5 ms |
580 KB |
Output is correct |
34 |
Correct |
7 ms |
596 KB |
Output is correct |
35 |
Correct |
6 ms |
508 KB |
Output is correct |
36 |
Correct |
5 ms |
576 KB |
Output is correct |
37 |
Correct |
5 ms |
596 KB |
Output is correct |
38 |
Correct |
8 ms |
572 KB |
Output is correct |
39 |
Correct |
6 ms |
496 KB |
Output is correct |
40 |
Correct |
6 ms |
596 KB |
Output is correct |
41 |
Correct |
6 ms |
576 KB |
Output is correct |
42 |
Correct |
6 ms |
500 KB |
Output is correct |
43 |
Correct |
6 ms |
476 KB |
Output is correct |
44 |
Correct |
6 ms |
596 KB |
Output is correct |
45 |
Correct |
6 ms |
596 KB |
Output is correct |
46 |
Correct |
6 ms |
596 KB |
Output is correct |
47 |
Correct |
6 ms |
596 KB |
Output is correct |
48 |
Correct |
7 ms |
596 KB |
Output is correct |
49 |
Correct |
7 ms |
580 KB |
Output is correct |
50 |
Correct |
6 ms |
596 KB |
Output is correct |
51 |
Correct |
6 ms |
576 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
320 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
316 KB |
Output is correct |
18 |
Correct |
1 ms |
312 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
6 ms |
556 KB |
Output is correct |
28 |
Correct |
6 ms |
596 KB |
Output is correct |
29 |
Correct |
9 ms |
512 KB |
Output is correct |
30 |
Correct |
7 ms |
596 KB |
Output is correct |
31 |
Correct |
6 ms |
496 KB |
Output is correct |
32 |
Correct |
6 ms |
552 KB |
Output is correct |
33 |
Correct |
5 ms |
580 KB |
Output is correct |
34 |
Correct |
7 ms |
596 KB |
Output is correct |
35 |
Correct |
6 ms |
508 KB |
Output is correct |
36 |
Correct |
5 ms |
576 KB |
Output is correct |
37 |
Correct |
5 ms |
596 KB |
Output is correct |
38 |
Correct |
8 ms |
572 KB |
Output is correct |
39 |
Correct |
6 ms |
496 KB |
Output is correct |
40 |
Correct |
6 ms |
596 KB |
Output is correct |
41 |
Correct |
6 ms |
576 KB |
Output is correct |
42 |
Correct |
6 ms |
500 KB |
Output is correct |
43 |
Correct |
6 ms |
476 KB |
Output is correct |
44 |
Correct |
6 ms |
596 KB |
Output is correct |
45 |
Correct |
6 ms |
596 KB |
Output is correct |
46 |
Correct |
6 ms |
596 KB |
Output is correct |
47 |
Correct |
6 ms |
596 KB |
Output is correct |
48 |
Correct |
7 ms |
596 KB |
Output is correct |
49 |
Correct |
7 ms |
580 KB |
Output is correct |
50 |
Correct |
6 ms |
596 KB |
Output is correct |
51 |
Correct |
6 ms |
576 KB |
Output is correct |
52 |
Correct |
526 ms |
28524 KB |
Output is correct |
53 |
Correct |
519 ms |
28600 KB |
Output is correct |
54 |
Correct |
526 ms |
28764 KB |
Output is correct |
55 |
Correct |
509 ms |
28620 KB |
Output is correct |
56 |
Correct |
508 ms |
28668 KB |
Output is correct |
57 |
Correct |
523 ms |
28520 KB |
Output is correct |
58 |
Correct |
525 ms |
28656 KB |
Output is correct |
59 |
Correct |
494 ms |
28692 KB |
Output is correct |
60 |
Correct |
522 ms |
28604 KB |
Output is correct |
61 |
Correct |
501 ms |
28464 KB |
Output is correct |
62 |
Correct |
513 ms |
28568 KB |
Output is correct |
63 |
Correct |
516 ms |
28540 KB |
Output is correct |
64 |
Correct |
505 ms |
28692 KB |
Output is correct |
65 |
Correct |
527 ms |
28600 KB |
Output is correct |
66 |
Correct |
515 ms |
28576 KB |
Output is correct |
67 |
Correct |
515 ms |
28692 KB |
Output is correct |
68 |
Correct |
540 ms |
28508 KB |
Output is correct |