#include<bits/stdc++.h>
using namespace std;
const int N = 500010;
#define ll long long int
#define F first
#define S second
pair<ll,ll> v[N];
ll dp[N][2];
int n;
ll f(int x,int y) {
if(dp[x][y]>=0) return dp[x][y];
ll aux = v[x].S-v[x].F+v[x-1].F;
if(y) {
if(x==n) return aux;
return dp[x][y]=max(aux,aux+f(x+1,y));
} else {
if(x==n) return v[x].S;
return dp[x][y]=max({v[x].S,f(x+1,y),v[x].S+f(x+1,y+1)});
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cin>>n;
for(int i=1;i<=n;i++) {
cin>>v[i].F>>v[i].S;
}
sort(v+1,v+n+1);
memset(dp,-1,sizeof(dp));
cout<<f(1,0)<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
8184 KB |
Output is correct |
2 |
Correct |
9 ms |
8324 KB |
Output is correct |
3 |
Correct |
9 ms |
8364 KB |
Output is correct |
4 |
Correct |
10 ms |
8440 KB |
Output is correct |
5 |
Correct |
8 ms |
8440 KB |
Output is correct |
6 |
Correct |
11 ms |
8492 KB |
Output is correct |
7 |
Correct |
8 ms |
8584 KB |
Output is correct |
8 |
Correct |
8 ms |
8588 KB |
Output is correct |
9 |
Correct |
8 ms |
8588 KB |
Output is correct |
10 |
Correct |
8 ms |
8588 KB |
Output is correct |
11 |
Correct |
8 ms |
8588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
8184 KB |
Output is correct |
2 |
Correct |
9 ms |
8324 KB |
Output is correct |
3 |
Correct |
9 ms |
8364 KB |
Output is correct |
4 |
Correct |
10 ms |
8440 KB |
Output is correct |
5 |
Correct |
8 ms |
8440 KB |
Output is correct |
6 |
Correct |
11 ms |
8492 KB |
Output is correct |
7 |
Correct |
8 ms |
8584 KB |
Output is correct |
8 |
Correct |
8 ms |
8588 KB |
Output is correct |
9 |
Correct |
8 ms |
8588 KB |
Output is correct |
10 |
Correct |
8 ms |
8588 KB |
Output is correct |
11 |
Correct |
8 ms |
8588 KB |
Output is correct |
12 |
Correct |
8 ms |
8588 KB |
Output is correct |
13 |
Correct |
8 ms |
8588 KB |
Output is correct |
14 |
Correct |
8 ms |
8740 KB |
Output is correct |
15 |
Correct |
8 ms |
8740 KB |
Output is correct |
16 |
Correct |
9 ms |
8740 KB |
Output is correct |
17 |
Correct |
8 ms |
8760 KB |
Output is correct |
18 |
Correct |
11 ms |
8768 KB |
Output is correct |
19 |
Correct |
8 ms |
8776 KB |
Output is correct |
20 |
Correct |
8 ms |
8784 KB |
Output is correct |
21 |
Correct |
8 ms |
8808 KB |
Output is correct |
22 |
Correct |
8 ms |
8832 KB |
Output is correct |
23 |
Correct |
8 ms |
8840 KB |
Output is correct |
24 |
Correct |
8 ms |
8848 KB |
Output is correct |
25 |
Correct |
10 ms |
8856 KB |
Output is correct |
26 |
Correct |
8 ms |
8864 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
8184 KB |
Output is correct |
2 |
Correct |
9 ms |
8324 KB |
Output is correct |
3 |
Correct |
9 ms |
8364 KB |
Output is correct |
4 |
Correct |
10 ms |
8440 KB |
Output is correct |
5 |
Correct |
8 ms |
8440 KB |
Output is correct |
6 |
Correct |
11 ms |
8492 KB |
Output is correct |
7 |
Correct |
8 ms |
8584 KB |
Output is correct |
8 |
Correct |
8 ms |
8588 KB |
Output is correct |
9 |
Correct |
8 ms |
8588 KB |
Output is correct |
10 |
Correct |
8 ms |
8588 KB |
Output is correct |
11 |
Correct |
8 ms |
8588 KB |
Output is correct |
12 |
Correct |
8 ms |
8588 KB |
Output is correct |
13 |
Correct |
8 ms |
8588 KB |
Output is correct |
14 |
Correct |
8 ms |
8740 KB |
Output is correct |
15 |
Correct |
8 ms |
8740 KB |
Output is correct |
16 |
Correct |
9 ms |
8740 KB |
Output is correct |
17 |
Correct |
8 ms |
8760 KB |
Output is correct |
18 |
Correct |
11 ms |
8768 KB |
Output is correct |
19 |
Correct |
8 ms |
8776 KB |
Output is correct |
20 |
Correct |
8 ms |
8784 KB |
Output is correct |
21 |
Correct |
8 ms |
8808 KB |
Output is correct |
22 |
Correct |
8 ms |
8832 KB |
Output is correct |
23 |
Correct |
8 ms |
8840 KB |
Output is correct |
24 |
Correct |
8 ms |
8848 KB |
Output is correct |
25 |
Correct |
10 ms |
8856 KB |
Output is correct |
26 |
Correct |
8 ms |
8864 KB |
Output is correct |
27 |
Correct |
14 ms |
9256 KB |
Output is correct |
28 |
Correct |
11 ms |
9384 KB |
Output is correct |
29 |
Correct |
11 ms |
9512 KB |
Output is correct |
30 |
Correct |
11 ms |
9640 KB |
Output is correct |
31 |
Correct |
11 ms |
9768 KB |
Output is correct |
32 |
Correct |
11 ms |
9896 KB |
Output is correct |
33 |
Correct |
11 ms |
10024 KB |
Output is correct |
34 |
Correct |
11 ms |
10152 KB |
Output is correct |
35 |
Correct |
10 ms |
10280 KB |
Output is correct |
36 |
Correct |
11 ms |
10464 KB |
Output is correct |
37 |
Correct |
10 ms |
10536 KB |
Output is correct |
38 |
Correct |
11 ms |
10664 KB |
Output is correct |
39 |
Correct |
11 ms |
10792 KB |
Output is correct |
40 |
Correct |
11 ms |
10920 KB |
Output is correct |
41 |
Correct |
10 ms |
11048 KB |
Output is correct |
42 |
Correct |
11 ms |
11172 KB |
Output is correct |
43 |
Correct |
10 ms |
11300 KB |
Output is correct |
44 |
Correct |
12 ms |
11428 KB |
Output is correct |
45 |
Correct |
10 ms |
11556 KB |
Output is correct |
46 |
Correct |
10 ms |
11696 KB |
Output is correct |
47 |
Correct |
10 ms |
11812 KB |
Output is correct |
48 |
Correct |
11 ms |
11940 KB |
Output is correct |
49 |
Correct |
11 ms |
12068 KB |
Output is correct |
50 |
Correct |
11 ms |
12232 KB |
Output is correct |
51 |
Correct |
18 ms |
12504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
8184 KB |
Output is correct |
2 |
Correct |
9 ms |
8324 KB |
Output is correct |
3 |
Correct |
9 ms |
8364 KB |
Output is correct |
4 |
Correct |
10 ms |
8440 KB |
Output is correct |
5 |
Correct |
8 ms |
8440 KB |
Output is correct |
6 |
Correct |
11 ms |
8492 KB |
Output is correct |
7 |
Correct |
8 ms |
8584 KB |
Output is correct |
8 |
Correct |
8 ms |
8588 KB |
Output is correct |
9 |
Correct |
8 ms |
8588 KB |
Output is correct |
10 |
Correct |
8 ms |
8588 KB |
Output is correct |
11 |
Correct |
8 ms |
8588 KB |
Output is correct |
12 |
Correct |
8 ms |
8588 KB |
Output is correct |
13 |
Correct |
8 ms |
8588 KB |
Output is correct |
14 |
Correct |
8 ms |
8740 KB |
Output is correct |
15 |
Correct |
8 ms |
8740 KB |
Output is correct |
16 |
Correct |
9 ms |
8740 KB |
Output is correct |
17 |
Correct |
8 ms |
8760 KB |
Output is correct |
18 |
Correct |
11 ms |
8768 KB |
Output is correct |
19 |
Correct |
8 ms |
8776 KB |
Output is correct |
20 |
Correct |
8 ms |
8784 KB |
Output is correct |
21 |
Correct |
8 ms |
8808 KB |
Output is correct |
22 |
Correct |
8 ms |
8832 KB |
Output is correct |
23 |
Correct |
8 ms |
8840 KB |
Output is correct |
24 |
Correct |
8 ms |
8848 KB |
Output is correct |
25 |
Correct |
10 ms |
8856 KB |
Output is correct |
26 |
Correct |
8 ms |
8864 KB |
Output is correct |
27 |
Correct |
14 ms |
9256 KB |
Output is correct |
28 |
Correct |
11 ms |
9384 KB |
Output is correct |
29 |
Correct |
11 ms |
9512 KB |
Output is correct |
30 |
Correct |
11 ms |
9640 KB |
Output is correct |
31 |
Correct |
11 ms |
9768 KB |
Output is correct |
32 |
Correct |
11 ms |
9896 KB |
Output is correct |
33 |
Correct |
11 ms |
10024 KB |
Output is correct |
34 |
Correct |
11 ms |
10152 KB |
Output is correct |
35 |
Correct |
10 ms |
10280 KB |
Output is correct |
36 |
Correct |
11 ms |
10464 KB |
Output is correct |
37 |
Correct |
10 ms |
10536 KB |
Output is correct |
38 |
Correct |
11 ms |
10664 KB |
Output is correct |
39 |
Correct |
11 ms |
10792 KB |
Output is correct |
40 |
Correct |
11 ms |
10920 KB |
Output is correct |
41 |
Correct |
10 ms |
11048 KB |
Output is correct |
42 |
Correct |
11 ms |
11172 KB |
Output is correct |
43 |
Correct |
10 ms |
11300 KB |
Output is correct |
44 |
Correct |
12 ms |
11428 KB |
Output is correct |
45 |
Correct |
10 ms |
11556 KB |
Output is correct |
46 |
Correct |
10 ms |
11696 KB |
Output is correct |
47 |
Correct |
10 ms |
11812 KB |
Output is correct |
48 |
Correct |
11 ms |
11940 KB |
Output is correct |
49 |
Correct |
11 ms |
12068 KB |
Output is correct |
50 |
Correct |
11 ms |
12232 KB |
Output is correct |
51 |
Correct |
18 ms |
12504 KB |
Output is correct |
52 |
Correct |
278 ms |
55968 KB |
Output is correct |
53 |
Correct |
270 ms |
68744 KB |
Output is correct |
54 |
Correct |
263 ms |
81380 KB |
Output is correct |
55 |
Correct |
284 ms |
93976 KB |
Output is correct |
56 |
Correct |
259 ms |
106588 KB |
Output is correct |
57 |
Correct |
259 ms |
119272 KB |
Output is correct |
58 |
Correct |
276 ms |
132072 KB |
Output is correct |
59 |
Correct |
262 ms |
144620 KB |
Output is correct |
60 |
Correct |
321 ms |
157236 KB |
Output is correct |
61 |
Correct |
262 ms |
169576 KB |
Output is correct |
62 |
Correct |
260 ms |
181788 KB |
Output is correct |
63 |
Correct |
261 ms |
193836 KB |
Output is correct |
64 |
Correct |
260 ms |
206520 KB |
Output is correct |
65 |
Correct |
286 ms |
218016 KB |
Output is correct |
66 |
Correct |
260 ms |
230296 KB |
Output is correct |
67 |
Correct |
263 ms |
242700 KB |
Output is correct |
68 |
Correct |
281 ms |
254888 KB |
Output is correct |