#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n; cin >> n;
vector<pair<int, int>> a(n);
for(auto &p : a) cin >> p.first >> p.second;
sort(a.begin(), a.end());
vector<int> suf(n);
suf[n-1]=a[n-1].first+a[n-1].second;
for(int i=n-2; i>=0; i--)
suf[i]=suf[i+1]+a[i].second-a[i+1].first+a[i].first;
vector<int> pre_max(n);
pre_max[0]=suf[0];
for(int i=1; i<n; i++) pre_max[i]=max(suf[i], pre_max[i-1]);
int sum=0, cost=-1e17;
for(int i=n-1; i>=0; i--)
cost=max(cost, pre_max[i]-sum-a[i].first),
sum+=a[i].second;
cout << cost << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 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 |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 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 |
212 KB |
Output is correct |
2 |
Correct |
0 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 |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
324 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 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 |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
324 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 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 |
2 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
584 KB |
Output is correct |
31 |
Correct |
2 ms |
584 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
2 ms |
596 KB |
Output is correct |
36 |
Correct |
2 ms |
592 KB |
Output is correct |
37 |
Correct |
2 ms |
596 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
2 ms |
596 KB |
Output is correct |
40 |
Correct |
2 ms |
528 KB |
Output is correct |
41 |
Correct |
3 ms |
588 KB |
Output is correct |
42 |
Correct |
2 ms |
536 KB |
Output is correct |
43 |
Correct |
2 ms |
596 KB |
Output is correct |
44 |
Correct |
2 ms |
568 KB |
Output is correct |
45 |
Correct |
2 ms |
596 KB |
Output is correct |
46 |
Correct |
2 ms |
596 KB |
Output is correct |
47 |
Correct |
2 ms |
596 KB |
Output is correct |
48 |
Correct |
2 ms |
596 KB |
Output is correct |
49 |
Correct |
2 ms |
596 KB |
Output is correct |
50 |
Correct |
2 ms |
524 KB |
Output is correct |
51 |
Correct |
2 ms |
592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 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 |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
324 KB |
Output is correct |
19 |
Correct |
1 ms |
324 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 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 |
2 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
584 KB |
Output is correct |
31 |
Correct |
2 ms |
584 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
2 ms |
596 KB |
Output is correct |
36 |
Correct |
2 ms |
592 KB |
Output is correct |
37 |
Correct |
2 ms |
596 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
2 ms |
596 KB |
Output is correct |
40 |
Correct |
2 ms |
528 KB |
Output is correct |
41 |
Correct |
3 ms |
588 KB |
Output is correct |
42 |
Correct |
2 ms |
536 KB |
Output is correct |
43 |
Correct |
2 ms |
596 KB |
Output is correct |
44 |
Correct |
2 ms |
568 KB |
Output is correct |
45 |
Correct |
2 ms |
596 KB |
Output is correct |
46 |
Correct |
2 ms |
596 KB |
Output is correct |
47 |
Correct |
2 ms |
596 KB |
Output is correct |
48 |
Correct |
2 ms |
596 KB |
Output is correct |
49 |
Correct |
2 ms |
596 KB |
Output is correct |
50 |
Correct |
2 ms |
524 KB |
Output is correct |
51 |
Correct |
2 ms |
592 KB |
Output is correct |
52 |
Correct |
135 ms |
28488 KB |
Output is correct |
53 |
Correct |
136 ms |
28608 KB |
Output is correct |
54 |
Correct |
133 ms |
28608 KB |
Output is correct |
55 |
Correct |
136 ms |
28616 KB |
Output is correct |
56 |
Correct |
137 ms |
28492 KB |
Output is correct |
57 |
Correct |
138 ms |
28608 KB |
Output is correct |
58 |
Correct |
133 ms |
28608 KB |
Output is correct |
59 |
Correct |
136 ms |
28596 KB |
Output is correct |
60 |
Correct |
134 ms |
28616 KB |
Output is correct |
61 |
Correct |
139 ms |
28484 KB |
Output is correct |
62 |
Correct |
139 ms |
28592 KB |
Output is correct |
63 |
Correct |
148 ms |
28620 KB |
Output is correct |
64 |
Correct |
147 ms |
28612 KB |
Output is correct |
65 |
Correct |
176 ms |
28504 KB |
Output is correct |
66 |
Correct |
136 ms |
28500 KB |
Output is correct |
67 |
Correct |
145 ms |
28608 KB |
Output is correct |
68 |
Correct |
141 ms |
28608 KB |
Output is correct |