#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
// pref[j + 1] - pref[i] - (a[j] - a[i])
// pref[j + 1] - a[j] - pref[i] + a[i]
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.setf(ios::fixed); cout.precision(20);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
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(idx.begin(), idx.end(), 0);
sort(idx.begin(), idx.end(), [&] (int i, int j) {
return a[i] < a[j];
});
vector <ll> pref(n + 1);
for (int i = 0; i < n; ++i) {
pref[i + 1] = pref[i] + b[idx[i]];
}
ll ans = 0;
ll mx = -2e18;
for (int i = 0; i < n; ++i) {
mx = max(mx, a[idx[i]] - pref[i]);
ans = max(ans, mx + pref[i + 1] - a[idx[i]]);
}
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
368 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
368 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
4 ms |
504 KB |
Output is correct |
28 |
Correct |
4 ms |
504 KB |
Output is correct |
29 |
Correct |
4 ms |
504 KB |
Output is correct |
30 |
Correct |
4 ms |
504 KB |
Output is correct |
31 |
Correct |
4 ms |
504 KB |
Output is correct |
32 |
Correct |
4 ms |
504 KB |
Output is correct |
33 |
Correct |
3 ms |
504 KB |
Output is correct |
34 |
Correct |
4 ms |
504 KB |
Output is correct |
35 |
Correct |
4 ms |
504 KB |
Output is correct |
36 |
Correct |
3 ms |
504 KB |
Output is correct |
37 |
Correct |
4 ms |
504 KB |
Output is correct |
38 |
Correct |
4 ms |
504 KB |
Output is correct |
39 |
Correct |
4 ms |
504 KB |
Output is correct |
40 |
Correct |
4 ms |
504 KB |
Output is correct |
41 |
Correct |
4 ms |
504 KB |
Output is correct |
42 |
Correct |
4 ms |
504 KB |
Output is correct |
43 |
Correct |
4 ms |
508 KB |
Output is correct |
44 |
Correct |
4 ms |
504 KB |
Output is correct |
45 |
Correct |
4 ms |
504 KB |
Output is correct |
46 |
Correct |
3 ms |
504 KB |
Output is correct |
47 |
Correct |
3 ms |
504 KB |
Output is correct |
48 |
Correct |
4 ms |
508 KB |
Output is correct |
49 |
Correct |
4 ms |
504 KB |
Output is correct |
50 |
Correct |
4 ms |
504 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
256 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
368 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
2 ms |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
2 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
376 KB |
Output is correct |
27 |
Correct |
4 ms |
504 KB |
Output is correct |
28 |
Correct |
4 ms |
504 KB |
Output is correct |
29 |
Correct |
4 ms |
504 KB |
Output is correct |
30 |
Correct |
4 ms |
504 KB |
Output is correct |
31 |
Correct |
4 ms |
504 KB |
Output is correct |
32 |
Correct |
4 ms |
504 KB |
Output is correct |
33 |
Correct |
3 ms |
504 KB |
Output is correct |
34 |
Correct |
4 ms |
504 KB |
Output is correct |
35 |
Correct |
4 ms |
504 KB |
Output is correct |
36 |
Correct |
3 ms |
504 KB |
Output is correct |
37 |
Correct |
4 ms |
504 KB |
Output is correct |
38 |
Correct |
4 ms |
504 KB |
Output is correct |
39 |
Correct |
4 ms |
504 KB |
Output is correct |
40 |
Correct |
4 ms |
504 KB |
Output is correct |
41 |
Correct |
4 ms |
504 KB |
Output is correct |
42 |
Correct |
4 ms |
504 KB |
Output is correct |
43 |
Correct |
4 ms |
508 KB |
Output is correct |
44 |
Correct |
4 ms |
504 KB |
Output is correct |
45 |
Correct |
4 ms |
504 KB |
Output is correct |
46 |
Correct |
3 ms |
504 KB |
Output is correct |
47 |
Correct |
3 ms |
504 KB |
Output is correct |
48 |
Correct |
4 ms |
508 KB |
Output is correct |
49 |
Correct |
4 ms |
504 KB |
Output is correct |
50 |
Correct |
4 ms |
504 KB |
Output is correct |
51 |
Correct |
4 ms |
504 KB |
Output is correct |
52 |
Correct |
216 ms |
14124 KB |
Output is correct |
53 |
Correct |
222 ms |
26744 KB |
Output is correct |
54 |
Correct |
223 ms |
26872 KB |
Output is correct |
55 |
Correct |
230 ms |
26616 KB |
Output is correct |
56 |
Correct |
225 ms |
26616 KB |
Output is correct |
57 |
Correct |
231 ms |
26640 KB |
Output is correct |
58 |
Correct |
213 ms |
26756 KB |
Output is correct |
59 |
Correct |
233 ms |
26688 KB |
Output is correct |
60 |
Correct |
218 ms |
26744 KB |
Output is correct |
61 |
Correct |
213 ms |
26588 KB |
Output is correct |
62 |
Correct |
333 ms |
26648 KB |
Output is correct |
63 |
Correct |
221 ms |
26800 KB |
Output is correct |
64 |
Correct |
231 ms |
26760 KB |
Output is correct |
65 |
Correct |
224 ms |
26820 KB |
Output is correct |
66 |
Correct |
219 ms |
26744 KB |
Output is correct |
67 |
Correct |
215 ms |
26716 KB |
Output is correct |
68 |
Correct |
217 ms |
26744 KB |
Output is correct |