#include <bits/stdc++.h>
#define ll long long
#define ar array
#define db double
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define rint(l, r) uniform_int_distribution<int>(l, r)(rng)
template<typename T> bool ckmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
void test_case() {
int n; cin >> n;
vector<ll> a(n), b(n);
for (int i = 0; i < n; i++) cin >> a[i] >> b[i];
vector<int> idx(n);
iota(all(idx), 0);
sort(all(idx), [&](int x, int y) { return a[x] < a[y]; });
for (int i = 1; i < n; i++) b[idx[i]] += b[idx[i-1]];
vector<ll> mx(n);
ll ans = 0, bst = -1e18;
for (int i = 0; i < n; i++) {
ckmax(bst, a[idx[i]] - (i ? b[idx[i-1]] : 0));
ckmax(ans, -a[idx[i]] + b[idx[i]] + bst);
}
cout << ans << '\n';
}
int main() {
cin.tie(0)->sync_with_stdio(0);
int t = 1;
// cin >> t;
while (t--) test_case();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
460 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
460 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
604 KB |
Output is correct |
28 |
Correct |
2 ms |
604 KB |
Output is correct |
29 |
Correct |
2 ms |
604 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
2 ms |
604 KB |
Output is correct |
32 |
Correct |
2 ms |
652 KB |
Output is correct |
33 |
Correct |
2 ms |
604 KB |
Output is correct |
34 |
Correct |
2 ms |
604 KB |
Output is correct |
35 |
Correct |
2 ms |
600 KB |
Output is correct |
36 |
Correct |
2 ms |
604 KB |
Output is correct |
37 |
Correct |
2 ms |
604 KB |
Output is correct |
38 |
Correct |
2 ms |
652 KB |
Output is correct |
39 |
Correct |
2 ms |
604 KB |
Output is correct |
40 |
Correct |
2 ms |
668 KB |
Output is correct |
41 |
Correct |
2 ms |
604 KB |
Output is correct |
42 |
Correct |
2 ms |
668 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
1056 KB |
Output is correct |
45 |
Correct |
2 ms |
604 KB |
Output is correct |
46 |
Correct |
2 ms |
604 KB |
Output is correct |
47 |
Correct |
2 ms |
600 KB |
Output is correct |
48 |
Correct |
2 ms |
664 KB |
Output is correct |
49 |
Correct |
2 ms |
604 KB |
Output is correct |
50 |
Correct |
2 ms |
604 KB |
Output is correct |
51 |
Correct |
2 ms |
664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
460 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
604 KB |
Output is correct |
28 |
Correct |
2 ms |
604 KB |
Output is correct |
29 |
Correct |
2 ms |
604 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
2 ms |
604 KB |
Output is correct |
32 |
Correct |
2 ms |
652 KB |
Output is correct |
33 |
Correct |
2 ms |
604 KB |
Output is correct |
34 |
Correct |
2 ms |
604 KB |
Output is correct |
35 |
Correct |
2 ms |
600 KB |
Output is correct |
36 |
Correct |
2 ms |
604 KB |
Output is correct |
37 |
Correct |
2 ms |
604 KB |
Output is correct |
38 |
Correct |
2 ms |
652 KB |
Output is correct |
39 |
Correct |
2 ms |
604 KB |
Output is correct |
40 |
Correct |
2 ms |
668 KB |
Output is correct |
41 |
Correct |
2 ms |
604 KB |
Output is correct |
42 |
Correct |
2 ms |
668 KB |
Output is correct |
43 |
Correct |
2 ms |
604 KB |
Output is correct |
44 |
Correct |
2 ms |
1056 KB |
Output is correct |
45 |
Correct |
2 ms |
604 KB |
Output is correct |
46 |
Correct |
2 ms |
604 KB |
Output is correct |
47 |
Correct |
2 ms |
600 KB |
Output is correct |
48 |
Correct |
2 ms |
664 KB |
Output is correct |
49 |
Correct |
2 ms |
604 KB |
Output is correct |
50 |
Correct |
2 ms |
604 KB |
Output is correct |
51 |
Correct |
2 ms |
664 KB |
Output is correct |
52 |
Correct |
148 ms |
26692 KB |
Output is correct |
53 |
Correct |
141 ms |
26576 KB |
Output is correct |
54 |
Correct |
142 ms |
26568 KB |
Output is correct |
55 |
Correct |
141 ms |
26692 KB |
Output is correct |
56 |
Correct |
140 ms |
26704 KB |
Output is correct |
57 |
Correct |
144 ms |
26692 KB |
Output is correct |
58 |
Correct |
141 ms |
26708 KB |
Output is correct |
59 |
Correct |
154 ms |
26568 KB |
Output is correct |
60 |
Correct |
141 ms |
26700 KB |
Output is correct |
61 |
Correct |
143 ms |
26452 KB |
Output is correct |
62 |
Correct |
144 ms |
26728 KB |
Output is correct |
63 |
Correct |
150 ms |
26704 KB |
Output is correct |
64 |
Correct |
142 ms |
26700 KB |
Output is correct |
65 |
Correct |
142 ms |
26580 KB |
Output is correct |
66 |
Correct |
145 ms |
26696 KB |
Output is correct |
67 |
Correct |
149 ms |
26696 KB |
Output is correct |
68 |
Correct |
146 ms |
26708 KB |
Output is correct |