#include<bits/stdc++.h>
using namespace std;
#define int long long
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define rz resize
#define pb emplace_back
int INF=1e18;
int mod=1e9+7;
int N=4010;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;cin>>n;
vector<int> a(n),b(n),c(n);
vector<vector<pii>> v(N+1);
for(int i=0;i<n;i++){
cin>>a[i]>>b[i]>>c[i];
v[a[i]].push_back({b[i],c[i]});
}
vector<int> rec(N+2,-INF),rec1(N+2,-INF);
int ans=-INF;
for(int i=1;i<=N;i++){
for(auto p:v[i]){
for(int j=p.first+1;j<=N+1;j++){
if(rec1[j]>p.second)ans=max(ans,i+j+rec1[j]);
}
}
for(auto p:v[i]){
rec[p.first+1]=max(rec[p.first+1],p.second);
}
for(int j=1;j<=N;j++){
rec[j]=max(rec[j],rec[j-1]);
}
for(auto p:v[i]){
if(rec[p.first]>p.second){
rec1[p.first]=max(rec[p.first],rec1[p.first]);
}
}
for(int j=N-1;j>=0;j--){
rec1[j]=max(rec1[j],rec1[j+1]);
}
}
if(ans<0){
cout<<-1<<endl;
}
else{
cout<<ans<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
107 ms |
448 KB |
Output is correct |
2 |
Correct |
109 ms |
448 KB |
Output is correct |
3 |
Correct |
105 ms |
468 KB |
Output is correct |
4 |
Correct |
109 ms |
452 KB |
Output is correct |
5 |
Correct |
107 ms |
340 KB |
Output is correct |
6 |
Correct |
109 ms |
468 KB |
Output is correct |
7 |
Correct |
106 ms |
468 KB |
Output is correct |
8 |
Correct |
111 ms |
448 KB |
Output is correct |
9 |
Correct |
112 ms |
340 KB |
Output is correct |
10 |
Correct |
104 ms |
468 KB |
Output is correct |
11 |
Correct |
105 ms |
448 KB |
Output is correct |
12 |
Correct |
106 ms |
448 KB |
Output is correct |
13 |
Correct |
105 ms |
448 KB |
Output is correct |
14 |
Runtime error |
2 ms |
596 KB |
Execution killed with signal 11 |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
107 ms |
448 KB |
Output is correct |
2 |
Correct |
109 ms |
448 KB |
Output is correct |
3 |
Correct |
105 ms |
468 KB |
Output is correct |
4 |
Correct |
109 ms |
452 KB |
Output is correct |
5 |
Correct |
107 ms |
340 KB |
Output is correct |
6 |
Correct |
109 ms |
468 KB |
Output is correct |
7 |
Correct |
106 ms |
468 KB |
Output is correct |
8 |
Correct |
111 ms |
448 KB |
Output is correct |
9 |
Correct |
112 ms |
340 KB |
Output is correct |
10 |
Correct |
104 ms |
468 KB |
Output is correct |
11 |
Correct |
105 ms |
448 KB |
Output is correct |
12 |
Correct |
106 ms |
448 KB |
Output is correct |
13 |
Correct |
105 ms |
448 KB |
Output is correct |
14 |
Runtime error |
2 ms |
596 KB |
Execution killed with signal 11 |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
114 ms |
468 KB |
Output is correct |
2 |
Correct |
111 ms |
468 KB |
Output is correct |
3 |
Correct |
109 ms |
448 KB |
Output is correct |
4 |
Correct |
107 ms |
468 KB |
Output is correct |
5 |
Correct |
107 ms |
460 KB |
Output is correct |
6 |
Correct |
106 ms |
448 KB |
Output is correct |
7 |
Correct |
109 ms |
448 KB |
Output is correct |
8 |
Correct |
107 ms |
468 KB |
Output is correct |
9 |
Correct |
110 ms |
468 KB |
Output is correct |
10 |
Correct |
108 ms |
468 KB |
Output is correct |
11 |
Correct |
584 ms |
6424 KB |
Output is correct |
12 |
Correct |
402 ms |
4808 KB |
Output is correct |
13 |
Correct |
468 ms |
5476 KB |
Output is correct |
14 |
Correct |
577 ms |
7472 KB |
Output is correct |
15 |
Correct |
526 ms |
7256 KB |
Output is correct |
16 |
Correct |
563 ms |
8132 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
114 ms |
468 KB |
Output is correct |
2 |
Correct |
111 ms |
468 KB |
Output is correct |
3 |
Correct |
109 ms |
448 KB |
Output is correct |
4 |
Correct |
107 ms |
468 KB |
Output is correct |
5 |
Correct |
107 ms |
460 KB |
Output is correct |
6 |
Correct |
106 ms |
448 KB |
Output is correct |
7 |
Correct |
109 ms |
448 KB |
Output is correct |
8 |
Correct |
107 ms |
468 KB |
Output is correct |
9 |
Correct |
110 ms |
468 KB |
Output is correct |
10 |
Correct |
108 ms |
468 KB |
Output is correct |
11 |
Correct |
584 ms |
6424 KB |
Output is correct |
12 |
Correct |
402 ms |
4808 KB |
Output is correct |
13 |
Correct |
468 ms |
5476 KB |
Output is correct |
14 |
Correct |
577 ms |
7472 KB |
Output is correct |
15 |
Correct |
526 ms |
7256 KB |
Output is correct |
16 |
Correct |
563 ms |
8132 KB |
Output is correct |
17 |
Correct |
104 ms |
448 KB |
Output is correct |
18 |
Correct |
107 ms |
468 KB |
Output is correct |
19 |
Correct |
112 ms |
340 KB |
Output is correct |
20 |
Correct |
108 ms |
468 KB |
Output is correct |
21 |
Correct |
116 ms |
572 KB |
Output is correct |
22 |
Correct |
557 ms |
6772 KB |
Output is correct |
23 |
Correct |
524 ms |
6380 KB |
Output is correct |
24 |
Correct |
431 ms |
5212 KB |
Output is correct |
25 |
Correct |
540 ms |
7224 KB |
Output is correct |
26 |
Correct |
539 ms |
6612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
114 ms |
468 KB |
Output is correct |
2 |
Correct |
111 ms |
468 KB |
Output is correct |
3 |
Correct |
109 ms |
448 KB |
Output is correct |
4 |
Correct |
107 ms |
468 KB |
Output is correct |
5 |
Correct |
107 ms |
460 KB |
Output is correct |
6 |
Correct |
106 ms |
448 KB |
Output is correct |
7 |
Correct |
109 ms |
448 KB |
Output is correct |
8 |
Correct |
107 ms |
468 KB |
Output is correct |
9 |
Correct |
110 ms |
468 KB |
Output is correct |
10 |
Correct |
108 ms |
468 KB |
Output is correct |
11 |
Correct |
584 ms |
6424 KB |
Output is correct |
12 |
Correct |
402 ms |
4808 KB |
Output is correct |
13 |
Correct |
468 ms |
5476 KB |
Output is correct |
14 |
Correct |
577 ms |
7472 KB |
Output is correct |
15 |
Correct |
526 ms |
7256 KB |
Output is correct |
16 |
Correct |
563 ms |
8132 KB |
Output is correct |
17 |
Correct |
104 ms |
448 KB |
Output is correct |
18 |
Correct |
107 ms |
468 KB |
Output is correct |
19 |
Correct |
112 ms |
340 KB |
Output is correct |
20 |
Correct |
108 ms |
468 KB |
Output is correct |
21 |
Correct |
116 ms |
572 KB |
Output is correct |
22 |
Correct |
557 ms |
6772 KB |
Output is correct |
23 |
Correct |
524 ms |
6380 KB |
Output is correct |
24 |
Correct |
431 ms |
5212 KB |
Output is correct |
25 |
Correct |
540 ms |
7224 KB |
Output is correct |
26 |
Correct |
539 ms |
6612 KB |
Output is correct |
27 |
Correct |
107 ms |
468 KB |
Output is correct |
28 |
Correct |
111 ms |
468 KB |
Output is correct |
29 |
Correct |
107 ms |
476 KB |
Output is correct |
30 |
Correct |
107 ms |
468 KB |
Output is correct |
31 |
Correct |
119 ms |
656 KB |
Output is correct |
32 |
Correct |
119 ms |
496 KB |
Output is correct |
33 |
Correct |
111 ms |
500 KB |
Output is correct |
34 |
Correct |
508 ms |
6732 KB |
Output is correct |
35 |
Correct |
534 ms |
7452 KB |
Output is correct |
36 |
Correct |
521 ms |
7516 KB |
Output is correct |
37 |
Correct |
553 ms |
7284 KB |
Output is correct |
38 |
Correct |
507 ms |
6724 KB |
Output is correct |
39 |
Correct |
369 ms |
4604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
114 ms |
468 KB |
Output is correct |
2 |
Correct |
111 ms |
468 KB |
Output is correct |
3 |
Correct |
109 ms |
448 KB |
Output is correct |
4 |
Correct |
107 ms |
468 KB |
Output is correct |
5 |
Correct |
107 ms |
460 KB |
Output is correct |
6 |
Correct |
106 ms |
448 KB |
Output is correct |
7 |
Correct |
109 ms |
448 KB |
Output is correct |
8 |
Correct |
107 ms |
468 KB |
Output is correct |
9 |
Correct |
110 ms |
468 KB |
Output is correct |
10 |
Correct |
108 ms |
468 KB |
Output is correct |
11 |
Correct |
584 ms |
6424 KB |
Output is correct |
12 |
Correct |
402 ms |
4808 KB |
Output is correct |
13 |
Correct |
468 ms |
5476 KB |
Output is correct |
14 |
Correct |
577 ms |
7472 KB |
Output is correct |
15 |
Correct |
526 ms |
7256 KB |
Output is correct |
16 |
Correct |
563 ms |
8132 KB |
Output is correct |
17 |
Correct |
104 ms |
448 KB |
Output is correct |
18 |
Correct |
107 ms |
468 KB |
Output is correct |
19 |
Correct |
112 ms |
340 KB |
Output is correct |
20 |
Correct |
108 ms |
468 KB |
Output is correct |
21 |
Correct |
116 ms |
572 KB |
Output is correct |
22 |
Correct |
557 ms |
6772 KB |
Output is correct |
23 |
Correct |
524 ms |
6380 KB |
Output is correct |
24 |
Correct |
431 ms |
5212 KB |
Output is correct |
25 |
Correct |
540 ms |
7224 KB |
Output is correct |
26 |
Correct |
539 ms |
6612 KB |
Output is correct |
27 |
Correct |
107 ms |
468 KB |
Output is correct |
28 |
Correct |
111 ms |
468 KB |
Output is correct |
29 |
Correct |
107 ms |
476 KB |
Output is correct |
30 |
Correct |
107 ms |
468 KB |
Output is correct |
31 |
Correct |
119 ms |
656 KB |
Output is correct |
32 |
Correct |
119 ms |
496 KB |
Output is correct |
33 |
Correct |
111 ms |
500 KB |
Output is correct |
34 |
Correct |
508 ms |
6732 KB |
Output is correct |
35 |
Correct |
534 ms |
7452 KB |
Output is correct |
36 |
Correct |
521 ms |
7516 KB |
Output is correct |
37 |
Correct |
553 ms |
7284 KB |
Output is correct |
38 |
Correct |
507 ms |
6724 KB |
Output is correct |
39 |
Correct |
369 ms |
4604 KB |
Output is correct |
40 |
Incorrect |
114 ms |
596 KB |
Output isn't correct |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
107 ms |
448 KB |
Output is correct |
2 |
Correct |
109 ms |
448 KB |
Output is correct |
3 |
Correct |
105 ms |
468 KB |
Output is correct |
4 |
Correct |
109 ms |
452 KB |
Output is correct |
5 |
Correct |
107 ms |
340 KB |
Output is correct |
6 |
Correct |
109 ms |
468 KB |
Output is correct |
7 |
Correct |
106 ms |
468 KB |
Output is correct |
8 |
Correct |
111 ms |
448 KB |
Output is correct |
9 |
Correct |
112 ms |
340 KB |
Output is correct |
10 |
Correct |
104 ms |
468 KB |
Output is correct |
11 |
Correct |
105 ms |
448 KB |
Output is correct |
12 |
Correct |
106 ms |
448 KB |
Output is correct |
13 |
Correct |
105 ms |
448 KB |
Output is correct |
14 |
Runtime error |
2 ms |
596 KB |
Execution killed with signal 11 |
15 |
Halted |
0 ms |
0 KB |
- |