#include <bits/stdc++.h>
using namespace std;
#define MAXN 500001
long long n;
vector<pair<long long,long long>> vec;
long long pref[MAXN];
map<long long,long long> poslednji;
map<long long,long long> prvi;
int main()
{
cin>>n;
vec.push_back({0,0});
for (long long i=1;i<=n;i++)
{
long long a,b;cin>>a>>b;
vec.push_back({a,b});
}
sort(vec.begin(),vec.end());
pref[0]=0;
for (long long i=1;i<=n;i++) pref[i]=pref[i-1]+vec[i].second;
for (long long i=1;i<=n;i++)
{
poslednji[vec[i].first]=i;
if (prvi.find(vec[i].first)==prvi.end()) prvi[vec[i].first]=i;
}
long long ans=pref[poslednji[vec[1].first]];
long long trenmaks=vec[1].first;
for (auto&p:poslednji)
{
if (p.first==vec[1].first) continue;
long long desno=p.second,a3=p.first;
long long levo=prvi[a3];
long long s=pref[desno]-pref[levo-1];
ans=max(ans,s);
long long i=levo-1;
long long val=s-a3+pref[i]+trenmaks;
ans=max(ans,val);
trenmaks=max(trenmaks,a3-pref[i]);
}
cout<<ans<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 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 |
0 ms |
348 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 |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
348 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 |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
348 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 |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
5 ms |
1116 KB |
Output is correct |
28 |
Correct |
5 ms |
1116 KB |
Output is correct |
29 |
Correct |
5 ms |
1128 KB |
Output is correct |
30 |
Correct |
5 ms |
1116 KB |
Output is correct |
31 |
Correct |
5 ms |
1016 KB |
Output is correct |
32 |
Correct |
5 ms |
1172 KB |
Output is correct |
33 |
Correct |
5 ms |
1116 KB |
Output is correct |
34 |
Correct |
4 ms |
1116 KB |
Output is correct |
35 |
Correct |
4 ms |
1116 KB |
Output is correct |
36 |
Correct |
4 ms |
1116 KB |
Output is correct |
37 |
Correct |
5 ms |
1112 KB |
Output is correct |
38 |
Correct |
5 ms |
1112 KB |
Output is correct |
39 |
Correct |
5 ms |
1076 KB |
Output is correct |
40 |
Correct |
5 ms |
1116 KB |
Output is correct |
41 |
Correct |
7 ms |
972 KB |
Output is correct |
42 |
Correct |
5 ms |
1116 KB |
Output is correct |
43 |
Correct |
5 ms |
1116 KB |
Output is correct |
44 |
Correct |
5 ms |
1116 KB |
Output is correct |
45 |
Correct |
5 ms |
1112 KB |
Output is correct |
46 |
Correct |
5 ms |
1116 KB |
Output is correct |
47 |
Correct |
5 ms |
1116 KB |
Output is correct |
48 |
Correct |
5 ms |
1188 KB |
Output is correct |
49 |
Correct |
5 ms |
1116 KB |
Output is correct |
50 |
Correct |
6 ms |
1116 KB |
Output is correct |
51 |
Correct |
5 ms |
1116 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
0 ms |
348 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 |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
5 ms |
1116 KB |
Output is correct |
28 |
Correct |
5 ms |
1116 KB |
Output is correct |
29 |
Correct |
5 ms |
1128 KB |
Output is correct |
30 |
Correct |
5 ms |
1116 KB |
Output is correct |
31 |
Correct |
5 ms |
1016 KB |
Output is correct |
32 |
Correct |
5 ms |
1172 KB |
Output is correct |
33 |
Correct |
5 ms |
1116 KB |
Output is correct |
34 |
Correct |
4 ms |
1116 KB |
Output is correct |
35 |
Correct |
4 ms |
1116 KB |
Output is correct |
36 |
Correct |
4 ms |
1116 KB |
Output is correct |
37 |
Correct |
5 ms |
1112 KB |
Output is correct |
38 |
Correct |
5 ms |
1112 KB |
Output is correct |
39 |
Correct |
5 ms |
1076 KB |
Output is correct |
40 |
Correct |
5 ms |
1116 KB |
Output is correct |
41 |
Correct |
7 ms |
972 KB |
Output is correct |
42 |
Correct |
5 ms |
1116 KB |
Output is correct |
43 |
Correct |
5 ms |
1116 KB |
Output is correct |
44 |
Correct |
5 ms |
1116 KB |
Output is correct |
45 |
Correct |
5 ms |
1112 KB |
Output is correct |
46 |
Correct |
5 ms |
1116 KB |
Output is correct |
47 |
Correct |
5 ms |
1116 KB |
Output is correct |
48 |
Correct |
5 ms |
1188 KB |
Output is correct |
49 |
Correct |
5 ms |
1116 KB |
Output is correct |
50 |
Correct |
6 ms |
1116 KB |
Output is correct |
51 |
Correct |
5 ms |
1116 KB |
Output is correct |
52 |
Correct |
566 ms |
74664 KB |
Output is correct |
53 |
Correct |
594 ms |
87472 KB |
Output is correct |
54 |
Correct |
572 ms |
87472 KB |
Output is correct |
55 |
Correct |
619 ms |
87744 KB |
Output is correct |
56 |
Correct |
615 ms |
87316 KB |
Output is correct |
57 |
Correct |
640 ms |
87404 KB |
Output is correct |
58 |
Correct |
631 ms |
87452 KB |
Output is correct |
59 |
Correct |
593 ms |
87432 KB |
Output is correct |
60 |
Correct |
593 ms |
87360 KB |
Output is correct |
61 |
Correct |
621 ms |
87216 KB |
Output is correct |
62 |
Correct |
624 ms |
87472 KB |
Output is correct |
63 |
Correct |
597 ms |
87748 KB |
Output is correct |
64 |
Correct |
607 ms |
87472 KB |
Output is correct |
65 |
Correct |
609 ms |
87472 KB |
Output is correct |
66 |
Correct |
594 ms |
87472 KB |
Output is correct |
67 |
Correct |
599 ms |
87292 KB |
Output is correct |
68 |
Correct |
640 ms |
87304 KB |
Output is correct |