// source: https://oj.uz/problem/view/JOI18_art
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN = 500000;
int n;
ll pre[mxN], suf[mxN];
pair<ll, ll> a[mxN];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for (int i = 0; i < n; ++i)
cin >> a[i].first >> a[i].second;
sort(a, a + n);
for (int i = 1; i < n; ++i)
pre[i] = suf[i] = pre[i - 1] + a[i].second - (a[i].first - a[i - 1].first);
for (int i = n - 2; ~i; --i)
suf[i] = max(suf[i], suf[i + 1]);
ll ans = 0;
for (int i = 0; i < n; ++i)
ans = max(ans, suf[i] - pre[i] + a[i].second);
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
2 ms |
620 KB |
Output is correct |
28 |
Correct |
3 ms |
620 KB |
Output is correct |
29 |
Correct |
3 ms |
620 KB |
Output is correct |
30 |
Correct |
3 ms |
620 KB |
Output is correct |
31 |
Correct |
3 ms |
620 KB |
Output is correct |
32 |
Correct |
2 ms |
620 KB |
Output is correct |
33 |
Correct |
2 ms |
620 KB |
Output is correct |
34 |
Correct |
4 ms |
620 KB |
Output is correct |
35 |
Correct |
4 ms |
620 KB |
Output is correct |
36 |
Correct |
3 ms |
620 KB |
Output is correct |
37 |
Correct |
3 ms |
620 KB |
Output is correct |
38 |
Correct |
3 ms |
620 KB |
Output is correct |
39 |
Correct |
4 ms |
620 KB |
Output is correct |
40 |
Correct |
3 ms |
768 KB |
Output is correct |
41 |
Correct |
3 ms |
620 KB |
Output is correct |
42 |
Correct |
3 ms |
620 KB |
Output is correct |
43 |
Correct |
3 ms |
620 KB |
Output is correct |
44 |
Correct |
3 ms |
620 KB |
Output is correct |
45 |
Correct |
3 ms |
620 KB |
Output is correct |
46 |
Correct |
3 ms |
620 KB |
Output is correct |
47 |
Correct |
2 ms |
620 KB |
Output is correct |
48 |
Correct |
3 ms |
620 KB |
Output is correct |
49 |
Correct |
3 ms |
620 KB |
Output is correct |
50 |
Correct |
3 ms |
620 KB |
Output is correct |
51 |
Correct |
2 ms |
620 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
2 ms |
620 KB |
Output is correct |
28 |
Correct |
3 ms |
620 KB |
Output is correct |
29 |
Correct |
3 ms |
620 KB |
Output is correct |
30 |
Correct |
3 ms |
620 KB |
Output is correct |
31 |
Correct |
3 ms |
620 KB |
Output is correct |
32 |
Correct |
2 ms |
620 KB |
Output is correct |
33 |
Correct |
2 ms |
620 KB |
Output is correct |
34 |
Correct |
4 ms |
620 KB |
Output is correct |
35 |
Correct |
4 ms |
620 KB |
Output is correct |
36 |
Correct |
3 ms |
620 KB |
Output is correct |
37 |
Correct |
3 ms |
620 KB |
Output is correct |
38 |
Correct |
3 ms |
620 KB |
Output is correct |
39 |
Correct |
4 ms |
620 KB |
Output is correct |
40 |
Correct |
3 ms |
768 KB |
Output is correct |
41 |
Correct |
3 ms |
620 KB |
Output is correct |
42 |
Correct |
3 ms |
620 KB |
Output is correct |
43 |
Correct |
3 ms |
620 KB |
Output is correct |
44 |
Correct |
3 ms |
620 KB |
Output is correct |
45 |
Correct |
3 ms |
620 KB |
Output is correct |
46 |
Correct |
3 ms |
620 KB |
Output is correct |
47 |
Correct |
2 ms |
620 KB |
Output is correct |
48 |
Correct |
3 ms |
620 KB |
Output is correct |
49 |
Correct |
3 ms |
620 KB |
Output is correct |
50 |
Correct |
3 ms |
620 KB |
Output is correct |
51 |
Correct |
2 ms |
620 KB |
Output is correct |
52 |
Correct |
213 ms |
28652 KB |
Output is correct |
53 |
Correct |
255 ms |
28652 KB |
Output is correct |
54 |
Correct |
205 ms |
28652 KB |
Output is correct |
55 |
Correct |
208 ms |
28652 KB |
Output is correct |
56 |
Correct |
208 ms |
28652 KB |
Output is correct |
57 |
Correct |
219 ms |
28652 KB |
Output is correct |
58 |
Correct |
216 ms |
28652 KB |
Output is correct |
59 |
Correct |
207 ms |
28652 KB |
Output is correct |
60 |
Correct |
201 ms |
28652 KB |
Output is correct |
61 |
Correct |
221 ms |
28524 KB |
Output is correct |
62 |
Correct |
237 ms |
28908 KB |
Output is correct |
63 |
Correct |
205 ms |
28652 KB |
Output is correct |
64 |
Correct |
206 ms |
28652 KB |
Output is correct |
65 |
Correct |
221 ms |
28652 KB |
Output is correct |
66 |
Correct |
235 ms |
28780 KB |
Output is correct |
67 |
Correct |
208 ms |
28652 KB |
Output is correct |
68 |
Correct |
227 ms |
28620 KB |
Output is correct |