#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
pair<ll, ll> a[500001];
ll v[1000001];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll n;
cin >> n;
FOR(i, 0, n) cin >> a[i].first >> a[i].second;
sort(a, a + n);
FOR(i, 0, n - 1) {
v[2 * i] = a[i].second;
v[2 * i + 1] = a[i].first - a[i + 1].first;
}
v[2 * n - 2] = a[n - 1].second;
ll gm = 0, lm = 0;
FOR(i, 0, 2 * n - 1) {
lm = max(lm + v[i], v[i]);
gm = max(gm, lm);
}
cout << gm << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
640 KB |
Output is correct |
28 |
Correct |
4 ms |
640 KB |
Output is correct |
29 |
Correct |
4 ms |
640 KB |
Output is correct |
30 |
Correct |
4 ms |
640 KB |
Output is correct |
31 |
Correct |
4 ms |
640 KB |
Output is correct |
32 |
Correct |
4 ms |
640 KB |
Output is correct |
33 |
Correct |
4 ms |
640 KB |
Output is correct |
34 |
Correct |
4 ms |
640 KB |
Output is correct |
35 |
Correct |
4 ms |
640 KB |
Output is correct |
36 |
Correct |
4 ms |
640 KB |
Output is correct |
37 |
Correct |
4 ms |
640 KB |
Output is correct |
38 |
Correct |
4 ms |
640 KB |
Output is correct |
39 |
Correct |
4 ms |
640 KB |
Output is correct |
40 |
Correct |
4 ms |
640 KB |
Output is correct |
41 |
Correct |
5 ms |
640 KB |
Output is correct |
42 |
Correct |
4 ms |
640 KB |
Output is correct |
43 |
Correct |
4 ms |
640 KB |
Output is correct |
44 |
Correct |
4 ms |
640 KB |
Output is correct |
45 |
Correct |
4 ms |
640 KB |
Output is correct |
46 |
Correct |
4 ms |
768 KB |
Output is correct |
47 |
Correct |
4 ms |
640 KB |
Output is correct |
48 |
Correct |
4 ms |
640 KB |
Output is correct |
49 |
Correct |
4 ms |
640 KB |
Output is correct |
50 |
Correct |
5 ms |
640 KB |
Output is correct |
51 |
Correct |
4 ms |
640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
3 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
4 ms |
640 KB |
Output is correct |
28 |
Correct |
4 ms |
640 KB |
Output is correct |
29 |
Correct |
4 ms |
640 KB |
Output is correct |
30 |
Correct |
4 ms |
640 KB |
Output is correct |
31 |
Correct |
4 ms |
640 KB |
Output is correct |
32 |
Correct |
4 ms |
640 KB |
Output is correct |
33 |
Correct |
4 ms |
640 KB |
Output is correct |
34 |
Correct |
4 ms |
640 KB |
Output is correct |
35 |
Correct |
4 ms |
640 KB |
Output is correct |
36 |
Correct |
4 ms |
640 KB |
Output is correct |
37 |
Correct |
4 ms |
640 KB |
Output is correct |
38 |
Correct |
4 ms |
640 KB |
Output is correct |
39 |
Correct |
4 ms |
640 KB |
Output is correct |
40 |
Correct |
4 ms |
640 KB |
Output is correct |
41 |
Correct |
5 ms |
640 KB |
Output is correct |
42 |
Correct |
4 ms |
640 KB |
Output is correct |
43 |
Correct |
4 ms |
640 KB |
Output is correct |
44 |
Correct |
4 ms |
640 KB |
Output is correct |
45 |
Correct |
4 ms |
640 KB |
Output is correct |
46 |
Correct |
4 ms |
768 KB |
Output is correct |
47 |
Correct |
4 ms |
640 KB |
Output is correct |
48 |
Correct |
4 ms |
640 KB |
Output is correct |
49 |
Correct |
4 ms |
640 KB |
Output is correct |
50 |
Correct |
5 ms |
640 KB |
Output is correct |
51 |
Correct |
4 ms |
640 KB |
Output is correct |
52 |
Correct |
197 ms |
28232 KB |
Output is correct |
53 |
Correct |
198 ms |
27184 KB |
Output is correct |
54 |
Correct |
199 ms |
27256 KB |
Output is correct |
55 |
Correct |
198 ms |
27384 KB |
Output is correct |
56 |
Correct |
197 ms |
27260 KB |
Output is correct |
57 |
Correct |
198 ms |
27256 KB |
Output is correct |
58 |
Correct |
197 ms |
27128 KB |
Output is correct |
59 |
Correct |
204 ms |
27640 KB |
Output is correct |
60 |
Correct |
197 ms |
27128 KB |
Output is correct |
61 |
Correct |
197 ms |
27176 KB |
Output is correct |
62 |
Correct |
197 ms |
27188 KB |
Output is correct |
63 |
Correct |
198 ms |
27300 KB |
Output is correct |
64 |
Correct |
197 ms |
27256 KB |
Output is correct |
65 |
Correct |
198 ms |
27388 KB |
Output is correct |
66 |
Correct |
205 ms |
27384 KB |
Output is correct |
67 |
Correct |
198 ms |
27424 KB |
Output is correct |
68 |
Correct |
207 ms |
27384 KB |
Output is correct |