#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fro for
#define pb push_back
#define ld long double
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n;
cin >> n;
vector<pair<int, int>> C(n);
for (int i = 0; i < n; i++) cin >> C[i].first >> C[i].second;
sort(C.begin(), C.end());
vector<int> A(n);
vector<int> B(n);
for (int i = 0; i < n; i++) {
A[i] = C[i].first;
B[i] = C[i].second;
}
vector<int> prefb(n);
prefb[0] = B[0];
for (int i = 1; i < n; i++) {
prefb[i] = prefb[i - 1] + B[i];
}
vector<int> C1(n), D(n);
C1[0] = A[0];
D[0] = prefb[0]-A[0];
fro (int i = 1; i < n; i++) {
C1[i] = A[i] - prefb[i - 1];
D[i] = prefb[i] - A[i];
}
for (int i = n - 2; i >= 0; i--) {
D[i] = max(D[i], D[i + 1]);
}
int ans = 0;
for (int i = 0; i < n; i++) {
ans = max(ans, C1[i] + D[i]);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
4 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
4 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
7 ms |
768 KB |
Output is correct |
28 |
Correct |
7 ms |
768 KB |
Output is correct |
29 |
Correct |
7 ms |
768 KB |
Output is correct |
30 |
Correct |
8 ms |
768 KB |
Output is correct |
31 |
Correct |
7 ms |
768 KB |
Output is correct |
32 |
Correct |
7 ms |
768 KB |
Output is correct |
33 |
Correct |
7 ms |
768 KB |
Output is correct |
34 |
Correct |
7 ms |
772 KB |
Output is correct |
35 |
Correct |
7 ms |
896 KB |
Output is correct |
36 |
Correct |
7 ms |
768 KB |
Output is correct |
37 |
Correct |
7 ms |
768 KB |
Output is correct |
38 |
Correct |
7 ms |
768 KB |
Output is correct |
39 |
Correct |
7 ms |
768 KB |
Output is correct |
40 |
Correct |
7 ms |
768 KB |
Output is correct |
41 |
Correct |
7 ms |
768 KB |
Output is correct |
42 |
Correct |
7 ms |
768 KB |
Output is correct |
43 |
Correct |
7 ms |
760 KB |
Output is correct |
44 |
Correct |
7 ms |
760 KB |
Output is correct |
45 |
Correct |
7 ms |
768 KB |
Output is correct |
46 |
Correct |
7 ms |
768 KB |
Output is correct |
47 |
Correct |
7 ms |
768 KB |
Output is correct |
48 |
Correct |
7 ms |
768 KB |
Output is correct |
49 |
Correct |
8 ms |
768 KB |
Output is correct |
50 |
Correct |
7 ms |
768 KB |
Output is correct |
51 |
Correct |
7 ms |
768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
4 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
256 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
4 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
4 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
7 ms |
768 KB |
Output is correct |
28 |
Correct |
7 ms |
768 KB |
Output is correct |
29 |
Correct |
7 ms |
768 KB |
Output is correct |
30 |
Correct |
8 ms |
768 KB |
Output is correct |
31 |
Correct |
7 ms |
768 KB |
Output is correct |
32 |
Correct |
7 ms |
768 KB |
Output is correct |
33 |
Correct |
7 ms |
768 KB |
Output is correct |
34 |
Correct |
7 ms |
772 KB |
Output is correct |
35 |
Correct |
7 ms |
896 KB |
Output is correct |
36 |
Correct |
7 ms |
768 KB |
Output is correct |
37 |
Correct |
7 ms |
768 KB |
Output is correct |
38 |
Correct |
7 ms |
768 KB |
Output is correct |
39 |
Correct |
7 ms |
768 KB |
Output is correct |
40 |
Correct |
7 ms |
768 KB |
Output is correct |
41 |
Correct |
7 ms |
768 KB |
Output is correct |
42 |
Correct |
7 ms |
768 KB |
Output is correct |
43 |
Correct |
7 ms |
760 KB |
Output is correct |
44 |
Correct |
7 ms |
760 KB |
Output is correct |
45 |
Correct |
7 ms |
768 KB |
Output is correct |
46 |
Correct |
7 ms |
768 KB |
Output is correct |
47 |
Correct |
7 ms |
768 KB |
Output is correct |
48 |
Correct |
7 ms |
768 KB |
Output is correct |
49 |
Correct |
8 ms |
768 KB |
Output is correct |
50 |
Correct |
7 ms |
768 KB |
Output is correct |
51 |
Correct |
7 ms |
768 KB |
Output is correct |
52 |
Correct |
232 ms |
40312 KB |
Output is correct |
53 |
Correct |
230 ms |
40440 KB |
Output is correct |
54 |
Correct |
224 ms |
40440 KB |
Output is correct |
55 |
Correct |
235 ms |
40312 KB |
Output is correct |
56 |
Correct |
226 ms |
40440 KB |
Output is correct |
57 |
Correct |
227 ms |
40440 KB |
Output is correct |
58 |
Correct |
226 ms |
40440 KB |
Output is correct |
59 |
Correct |
225 ms |
40440 KB |
Output is correct |
60 |
Correct |
230 ms |
40440 KB |
Output is correct |
61 |
Correct |
231 ms |
40312 KB |
Output is correct |
62 |
Correct |
232 ms |
40440 KB |
Output is correct |
63 |
Correct |
239 ms |
40440 KB |
Output is correct |
64 |
Correct |
223 ms |
40440 KB |
Output is correct |
65 |
Correct |
230 ms |
40444 KB |
Output is correct |
66 |
Correct |
227 ms |
40444 KB |
Output is correct |
67 |
Correct |
238 ms |
40440 KB |
Output is correct |
68 |
Correct |
229 ms |
40440 KB |
Output is correct |