#include <iostream>
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
vector<pair<ll,ll>>v;
int n;
ll dp[500005][3];
ll art(int i, int k)
{
if(k==2)
return 0;
if (i==n && k==1)
{
return -v[i-1].first;
}
if(i==n && k==0)
return 0;
if(dp[i][k]!=-1e18)
return dp[i][k];
ll a=-1e18;
if(k==0)
{
a=max(a,art(i+1,1)+v[i].second+v[i].first);
a=max(a,art(i+1,0));
a=max(a,art(i+1,2)+v[i].second);
}
else if(k==1)
{
a=max(a,art(i+1,1)+v[i].second);
a=max(a,art(i+1,2)+v[i].second-v[i].first);
}
dp[i][k]=a;
return a;
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin>>n;
v.resize(n);
for(int i=0;i<n;i++)
{
cin>>v[i].first>>v[i].second;
}
sort(v.begin(),v.end());
for(int i=0;i<n;i++)
for(int j=0;j<3;j++)
dp[i][j]=-1e18;
cout<<art(0,0);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
332 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 |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
332 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
332 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
852 KB |
Output is correct |
28 |
Correct |
2 ms |
916 KB |
Output is correct |
29 |
Correct |
2 ms |
852 KB |
Output is correct |
30 |
Correct |
3 ms |
852 KB |
Output is correct |
31 |
Correct |
2 ms |
852 KB |
Output is correct |
32 |
Correct |
2 ms |
852 KB |
Output is correct |
33 |
Correct |
2 ms |
928 KB |
Output is correct |
34 |
Correct |
3 ms |
908 KB |
Output is correct |
35 |
Correct |
2 ms |
852 KB |
Output is correct |
36 |
Correct |
2 ms |
852 KB |
Output is correct |
37 |
Correct |
2 ms |
852 KB |
Output is correct |
38 |
Correct |
2 ms |
852 KB |
Output is correct |
39 |
Correct |
2 ms |
848 KB |
Output is correct |
40 |
Correct |
3 ms |
900 KB |
Output is correct |
41 |
Correct |
2 ms |
852 KB |
Output is correct |
42 |
Correct |
2 ms |
852 KB |
Output is correct |
43 |
Correct |
2 ms |
848 KB |
Output is correct |
44 |
Correct |
2 ms |
852 KB |
Output is correct |
45 |
Correct |
2 ms |
852 KB |
Output is correct |
46 |
Correct |
2 ms |
852 KB |
Output is correct |
47 |
Correct |
3 ms |
916 KB |
Output is correct |
48 |
Correct |
3 ms |
912 KB |
Output is correct |
49 |
Correct |
3 ms |
920 KB |
Output is correct |
50 |
Correct |
2 ms |
852 KB |
Output is correct |
51 |
Correct |
2 ms |
852 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
332 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
2 ms |
852 KB |
Output is correct |
28 |
Correct |
2 ms |
916 KB |
Output is correct |
29 |
Correct |
2 ms |
852 KB |
Output is correct |
30 |
Correct |
3 ms |
852 KB |
Output is correct |
31 |
Correct |
2 ms |
852 KB |
Output is correct |
32 |
Correct |
2 ms |
852 KB |
Output is correct |
33 |
Correct |
2 ms |
928 KB |
Output is correct |
34 |
Correct |
3 ms |
908 KB |
Output is correct |
35 |
Correct |
2 ms |
852 KB |
Output is correct |
36 |
Correct |
2 ms |
852 KB |
Output is correct |
37 |
Correct |
2 ms |
852 KB |
Output is correct |
38 |
Correct |
2 ms |
852 KB |
Output is correct |
39 |
Correct |
2 ms |
848 KB |
Output is correct |
40 |
Correct |
3 ms |
900 KB |
Output is correct |
41 |
Correct |
2 ms |
852 KB |
Output is correct |
42 |
Correct |
2 ms |
852 KB |
Output is correct |
43 |
Correct |
2 ms |
848 KB |
Output is correct |
44 |
Correct |
2 ms |
852 KB |
Output is correct |
45 |
Correct |
2 ms |
852 KB |
Output is correct |
46 |
Correct |
2 ms |
852 KB |
Output is correct |
47 |
Correct |
3 ms |
916 KB |
Output is correct |
48 |
Correct |
3 ms |
912 KB |
Output is correct |
49 |
Correct |
3 ms |
920 KB |
Output is correct |
50 |
Correct |
2 ms |
852 KB |
Output is correct |
51 |
Correct |
2 ms |
852 KB |
Output is correct |
52 |
Correct |
229 ms |
63672 KB |
Output is correct |
53 |
Correct |
209 ms |
63812 KB |
Output is correct |
54 |
Correct |
215 ms |
63820 KB |
Output is correct |
55 |
Correct |
222 ms |
63828 KB |
Output is correct |
56 |
Correct |
207 ms |
63816 KB |
Output is correct |
57 |
Correct |
221 ms |
63816 KB |
Output is correct |
58 |
Correct |
198 ms |
63824 KB |
Output is correct |
59 |
Correct |
207 ms |
63836 KB |
Output is correct |
60 |
Correct |
240 ms |
63816 KB |
Output is correct |
61 |
Correct |
206 ms |
63688 KB |
Output is correct |
62 |
Correct |
223 ms |
63812 KB |
Output is correct |
63 |
Correct |
213 ms |
63812 KB |
Output is correct |
64 |
Correct |
212 ms |
63728 KB |
Output is correct |
65 |
Correct |
225 ms |
63804 KB |
Output is correct |
66 |
Correct |
206 ms |
63816 KB |
Output is correct |
67 |
Correct |
207 ms |
63800 KB |
Output is correct |
68 |
Correct |
227 ms |
63772 KB |
Output is correct |