#include <bits/stdc++.h>
using namespace std;
template <class T>
bool chmin(T& _old, T _new) { return _old > _new && (_old = _new, true); }
template <class T>
bool chmax(T& _old, T _new) { return _old < _new && (_old = _new, true); }
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
#ifdef palilo
freopen("in", "r", stdin);
freopen("out", "w", stdout);
#endif
constexpr int64_t INF = 0x3f3f3f3f3f3f3f3f;
int n;
cin >> n;
vector<pair<int64_t, int64_t>> a(n);
for (auto& [x, y] : a) {
cin >> x >> y;
}
sort(a.begin(), a.end(), [&](const auto& lhs, const auto& rhs) {
return lhs.first < rhs.first;
});
vector<int64_t> pref(n + 1);
for (int i = 0; i < n; ++i) {
pref[i + 1] = pref[i] + a[i].second;
}
int64_t best = a[0].first - pref[0];
int64_t ans = ~INF;
for (int r = 1; r <= n; ++r) {
chmax(ans, pref[r] - a[r - 1].first + best);
if (r != n) chmax(best, a[r].first - pref[r]);
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
316 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
1 ms |
320 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
316 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
1 ms |
320 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
2 ms |
460 KB |
Output is correct |
28 |
Correct |
3 ms |
460 KB |
Output is correct |
29 |
Correct |
2 ms |
460 KB |
Output is correct |
30 |
Correct |
3 ms |
460 KB |
Output is correct |
31 |
Correct |
2 ms |
460 KB |
Output is correct |
32 |
Correct |
2 ms |
460 KB |
Output is correct |
33 |
Correct |
2 ms |
460 KB |
Output is correct |
34 |
Correct |
2 ms |
460 KB |
Output is correct |
35 |
Correct |
3 ms |
456 KB |
Output is correct |
36 |
Correct |
2 ms |
460 KB |
Output is correct |
37 |
Correct |
2 ms |
460 KB |
Output is correct |
38 |
Correct |
3 ms |
460 KB |
Output is correct |
39 |
Correct |
2 ms |
460 KB |
Output is correct |
40 |
Correct |
2 ms |
460 KB |
Output is correct |
41 |
Correct |
2 ms |
460 KB |
Output is correct |
42 |
Correct |
2 ms |
460 KB |
Output is correct |
43 |
Correct |
3 ms |
460 KB |
Output is correct |
44 |
Correct |
2 ms |
508 KB |
Output is correct |
45 |
Correct |
3 ms |
460 KB |
Output is correct |
46 |
Correct |
2 ms |
460 KB |
Output is correct |
47 |
Correct |
2 ms |
460 KB |
Output is correct |
48 |
Correct |
3 ms |
512 KB |
Output is correct |
49 |
Correct |
2 ms |
460 KB |
Output is correct |
50 |
Correct |
2 ms |
460 KB |
Output is correct |
51 |
Correct |
2 ms |
460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
312 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
316 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
316 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
324 KB |
Output is correct |
23 |
Correct |
1 ms |
320 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
2 ms |
460 KB |
Output is correct |
28 |
Correct |
3 ms |
460 KB |
Output is correct |
29 |
Correct |
2 ms |
460 KB |
Output is correct |
30 |
Correct |
3 ms |
460 KB |
Output is correct |
31 |
Correct |
2 ms |
460 KB |
Output is correct |
32 |
Correct |
2 ms |
460 KB |
Output is correct |
33 |
Correct |
2 ms |
460 KB |
Output is correct |
34 |
Correct |
2 ms |
460 KB |
Output is correct |
35 |
Correct |
3 ms |
456 KB |
Output is correct |
36 |
Correct |
2 ms |
460 KB |
Output is correct |
37 |
Correct |
2 ms |
460 KB |
Output is correct |
38 |
Correct |
3 ms |
460 KB |
Output is correct |
39 |
Correct |
2 ms |
460 KB |
Output is correct |
40 |
Correct |
2 ms |
460 KB |
Output is correct |
41 |
Correct |
2 ms |
460 KB |
Output is correct |
42 |
Correct |
2 ms |
460 KB |
Output is correct |
43 |
Correct |
3 ms |
460 KB |
Output is correct |
44 |
Correct |
2 ms |
508 KB |
Output is correct |
45 |
Correct |
3 ms |
460 KB |
Output is correct |
46 |
Correct |
2 ms |
460 KB |
Output is correct |
47 |
Correct |
2 ms |
460 KB |
Output is correct |
48 |
Correct |
3 ms |
512 KB |
Output is correct |
49 |
Correct |
2 ms |
460 KB |
Output is correct |
50 |
Correct |
2 ms |
460 KB |
Output is correct |
51 |
Correct |
2 ms |
460 KB |
Output is correct |
52 |
Correct |
202 ms |
24640 KB |
Output is correct |
53 |
Correct |
204 ms |
24628 KB |
Output is correct |
54 |
Correct |
206 ms |
24900 KB |
Output is correct |
55 |
Correct |
197 ms |
24644 KB |
Output is correct |
56 |
Correct |
193 ms |
24784 KB |
Output is correct |
57 |
Correct |
197 ms |
24808 KB |
Output is correct |
58 |
Correct |
198 ms |
24652 KB |
Output is correct |
59 |
Correct |
197 ms |
24768 KB |
Output is correct |
60 |
Correct |
215 ms |
24652 KB |
Output is correct |
61 |
Correct |
202 ms |
24528 KB |
Output is correct |
62 |
Correct |
223 ms |
24648 KB |
Output is correct |
63 |
Correct |
201 ms |
24664 KB |
Output is correct |
64 |
Correct |
215 ms |
24776 KB |
Output is correct |
65 |
Correct |
200 ms |
24664 KB |
Output is correct |
66 |
Correct |
227 ms |
24664 KB |
Output is correct |
67 |
Correct |
193 ms |
24780 KB |
Output is correct |
68 |
Correct |
190 ms |
24644 KB |
Output is correct |