#include<bits/stdc++.h>
#define int long long
using namespace std;
int n, mn[500001], mx[500001], ans;
pair<int, int> v[500001] = {};
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n;
for (int i = 1; i <= n; i++)
cin >> v[i].first >> v[i].second;
sort(v, v + n + 1);
for (int i = 1; i <= n; i++)
v[i].second += v[i - 1].second;
mn[1] = v[0].second - v[1].first;
for (int i = 2; i <= n; i++)
mn[i] = min(mn[i - 1], v[i - 1].second - v[i].first);
mx[n] = v[n].second - v[n].first;
for (int i = n - 1; i >= 1; i--)
mx[i] = max(mx[i + 1], v[i].second - v[i].first);
for (int i = 1; i <= n; i++)
ans = max(ans, mx[i] - mn[i]);
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
0 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
1 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
0 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
1 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
380 KB |
Output is correct |
27 |
Correct |
5 ms |
632 KB |
Output is correct |
28 |
Correct |
5 ms |
636 KB |
Output is correct |
29 |
Correct |
10 ms |
632 KB |
Output is correct |
30 |
Correct |
4 ms |
632 KB |
Output is correct |
31 |
Correct |
5 ms |
632 KB |
Output is correct |
32 |
Correct |
5 ms |
604 KB |
Output is correct |
33 |
Correct |
5 ms |
632 KB |
Output is correct |
34 |
Correct |
5 ms |
632 KB |
Output is correct |
35 |
Correct |
5 ms |
636 KB |
Output is correct |
36 |
Correct |
5 ms |
632 KB |
Output is correct |
37 |
Correct |
5 ms |
632 KB |
Output is correct |
38 |
Correct |
5 ms |
632 KB |
Output is correct |
39 |
Correct |
13 ms |
504 KB |
Output is correct |
40 |
Correct |
6 ms |
688 KB |
Output is correct |
41 |
Correct |
5 ms |
632 KB |
Output is correct |
42 |
Correct |
3 ms |
632 KB |
Output is correct |
43 |
Correct |
7 ms |
632 KB |
Output is correct |
44 |
Correct |
5 ms |
632 KB |
Output is correct |
45 |
Correct |
5 ms |
632 KB |
Output is correct |
46 |
Correct |
4 ms |
632 KB |
Output is correct |
47 |
Correct |
5 ms |
632 KB |
Output is correct |
48 |
Correct |
5 ms |
632 KB |
Output is correct |
49 |
Correct |
5 ms |
632 KB |
Output is correct |
50 |
Correct |
5 ms |
632 KB |
Output is correct |
51 |
Correct |
5 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
0 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
1 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
380 KB |
Output is correct |
27 |
Correct |
5 ms |
632 KB |
Output is correct |
28 |
Correct |
5 ms |
636 KB |
Output is correct |
29 |
Correct |
10 ms |
632 KB |
Output is correct |
30 |
Correct |
4 ms |
632 KB |
Output is correct |
31 |
Correct |
5 ms |
632 KB |
Output is correct |
32 |
Correct |
5 ms |
604 KB |
Output is correct |
33 |
Correct |
5 ms |
632 KB |
Output is correct |
34 |
Correct |
5 ms |
632 KB |
Output is correct |
35 |
Correct |
5 ms |
636 KB |
Output is correct |
36 |
Correct |
5 ms |
632 KB |
Output is correct |
37 |
Correct |
5 ms |
632 KB |
Output is correct |
38 |
Correct |
5 ms |
632 KB |
Output is correct |
39 |
Correct |
13 ms |
504 KB |
Output is correct |
40 |
Correct |
6 ms |
688 KB |
Output is correct |
41 |
Correct |
5 ms |
632 KB |
Output is correct |
42 |
Correct |
3 ms |
632 KB |
Output is correct |
43 |
Correct |
7 ms |
632 KB |
Output is correct |
44 |
Correct |
5 ms |
632 KB |
Output is correct |
45 |
Correct |
5 ms |
632 KB |
Output is correct |
46 |
Correct |
4 ms |
632 KB |
Output is correct |
47 |
Correct |
5 ms |
632 KB |
Output is correct |
48 |
Correct |
5 ms |
632 KB |
Output is correct |
49 |
Correct |
5 ms |
632 KB |
Output is correct |
50 |
Correct |
5 ms |
632 KB |
Output is correct |
51 |
Correct |
5 ms |
632 KB |
Output is correct |
52 |
Correct |
259 ms |
28668 KB |
Output is correct |
53 |
Correct |
258 ms |
28712 KB |
Output is correct |
54 |
Correct |
260 ms |
28864 KB |
Output is correct |
55 |
Correct |
270 ms |
28636 KB |
Output is correct |
56 |
Correct |
253 ms |
28672 KB |
Output is correct |
57 |
Correct |
252 ms |
28664 KB |
Output is correct |
58 |
Correct |
253 ms |
28704 KB |
Output is correct |
59 |
Correct |
256 ms |
28696 KB |
Output is correct |
60 |
Correct |
266 ms |
28636 KB |
Output is correct |
61 |
Correct |
256 ms |
28472 KB |
Output is correct |
62 |
Correct |
253 ms |
28796 KB |
Output is correct |
63 |
Correct |
260 ms |
28664 KB |
Output is correct |
64 |
Correct |
254 ms |
28792 KB |
Output is correct |
65 |
Correct |
251 ms |
28664 KB |
Output is correct |
66 |
Correct |
253 ms |
28792 KB |
Output is correct |
67 |
Correct |
254 ms |
28704 KB |
Output is correct |
68 |
Correct |
255 ms |
28708 KB |
Output is correct |