#include <bits/stdc++.h>
using namespace std;
inline namespace
{
} // namespace
void solve()
{
int n;
cin >> n;
vector<array<long, 2>> v(n);
for (auto &[a, b] : v)
cin >> a >> b;
sort(v.begin(), v.end());
vector<long> pref(n + 1, 0);
for (int i = 0; i < n; i++)
pref[i + 1] = pref[i] + v[i][1];
vector diff(pref.begin() + 1, pref.end());
for (int i = 0; i < n; i++)
diff[i] -= v[i][0];
long res = 0;
long cur = LONG_MIN / 2;
for (int i = n - 1; i >= 0; i--)
{
cur = max(cur, diff[i]);
res = max(res, cur + v[i][0] - pref[i]);
}
cout << res << '\n';
}
int main()
{
ios_base::sync_with_stdio(false), cin.tie(NULL);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
224 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
224 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
2 ms |
584 KB |
Output is correct |
29 |
Correct |
3 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
596 KB |
Output is correct |
31 |
Correct |
2 ms |
512 KB |
Output is correct |
32 |
Correct |
2 ms |
568 KB |
Output is correct |
33 |
Correct |
3 ms |
596 KB |
Output is correct |
34 |
Correct |
2 ms |
572 KB |
Output is correct |
35 |
Correct |
3 ms |
512 KB |
Output is correct |
36 |
Correct |
2 ms |
584 KB |
Output is correct |
37 |
Correct |
2 ms |
596 KB |
Output is correct |
38 |
Correct |
2 ms |
596 KB |
Output is correct |
39 |
Correct |
2 ms |
512 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
3 ms |
520 KB |
Output is correct |
42 |
Correct |
3 ms |
516 KB |
Output is correct |
43 |
Correct |
2 ms |
596 KB |
Output is correct |
44 |
Correct |
3 ms |
592 KB |
Output is correct |
45 |
Correct |
2 ms |
596 KB |
Output is correct |
46 |
Correct |
3 ms |
596 KB |
Output is correct |
47 |
Correct |
3 ms |
524 KB |
Output is correct |
48 |
Correct |
2 ms |
508 KB |
Output is correct |
49 |
Correct |
2 ms |
592 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
2 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
316 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
328 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
324 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
224 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
2 ms |
584 KB |
Output is correct |
29 |
Correct |
3 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
596 KB |
Output is correct |
31 |
Correct |
2 ms |
512 KB |
Output is correct |
32 |
Correct |
2 ms |
568 KB |
Output is correct |
33 |
Correct |
3 ms |
596 KB |
Output is correct |
34 |
Correct |
2 ms |
572 KB |
Output is correct |
35 |
Correct |
3 ms |
512 KB |
Output is correct |
36 |
Correct |
2 ms |
584 KB |
Output is correct |
37 |
Correct |
2 ms |
596 KB |
Output is correct |
38 |
Correct |
2 ms |
596 KB |
Output is correct |
39 |
Correct |
2 ms |
512 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
3 ms |
520 KB |
Output is correct |
42 |
Correct |
3 ms |
516 KB |
Output is correct |
43 |
Correct |
2 ms |
596 KB |
Output is correct |
44 |
Correct |
3 ms |
592 KB |
Output is correct |
45 |
Correct |
2 ms |
596 KB |
Output is correct |
46 |
Correct |
3 ms |
596 KB |
Output is correct |
47 |
Correct |
3 ms |
524 KB |
Output is correct |
48 |
Correct |
2 ms |
508 KB |
Output is correct |
49 |
Correct |
2 ms |
592 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
2 ms |
596 KB |
Output is correct |
52 |
Correct |
188 ms |
28552 KB |
Output is correct |
53 |
Correct |
181 ms |
28740 KB |
Output is correct |
54 |
Correct |
184 ms |
28616 KB |
Output is correct |
55 |
Correct |
182 ms |
28624 KB |
Output is correct |
56 |
Correct |
185 ms |
28624 KB |
Output is correct |
57 |
Correct |
213 ms |
28616 KB |
Output is correct |
58 |
Correct |
177 ms |
28624 KB |
Output is correct |
59 |
Correct |
182 ms |
28620 KB |
Output is correct |
60 |
Correct |
188 ms |
28744 KB |
Output is correct |
61 |
Correct |
179 ms |
28596 KB |
Output is correct |
62 |
Correct |
180 ms |
28596 KB |
Output is correct |
63 |
Correct |
196 ms |
28608 KB |
Output is correct |
64 |
Correct |
215 ms |
28616 KB |
Output is correct |
65 |
Correct |
181 ms |
28616 KB |
Output is correct |
66 |
Correct |
192 ms |
28620 KB |
Output is correct |
67 |
Correct |
178 ms |
28612 KB |
Output is correct |
68 |
Correct |
190 ms |
28616 KB |
Output is correct |