#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> ii;
#define fi first
#define se second
#define INF 1023456789
#define LINF 1023456789123456789
int n;
ll memo[20][65540];
vector<int> s,t;
ll dp(int i,int msk){
if(memo[i][msk]!=-1)return memo[i][msk];
if(msk==(1<<n)-1)return 0;
ll res=LINF;
for(int j=0;j<n;++j){
if((msk&(1<<j))!=0)continue;
res=min(res,max(t[i]-s[j],0)+dp(j,msk^(1<<j)));
}
return memo[i][msk]=res;
}
ll plan_roller_coaster(vector<int> _s,vector<int> _t){
s=_s,t=_t;
n=s.size();
if(n<=16){
memset(memo,-1,sizeof memo);
ll ans=LINF;
for(int i=0;i<n;++i){
ans=min(ans,dp(i,1<<i));
}
return ans;
}
else{
set<ii> ss,tt,sss;
for(int i=0;i<n;++i){
ss.insert({s[i],i});
tt.insert({t[i],i});
}
while(ss.size()!=1){
while(!tt.empty()&&(*tt.begin()).fi<=(*ss.begin()).fi){
int i=(*tt.begin()).se;
sss.insert({s[i],i});
tt.erase(tt.begin());
}
if(sss.empty()||(sss.size()==1&&(*sss.begin()).se==(*ss.begin()).se)){
if((*--ss.end()).fi!=INF){
int i=(*ss.begin()).se;
ss.erase(ss.begin());
sss.erase({s[i],i});
tt.insert({t[i],i});
ss.insert({INF,i});
}
else{
return 1;
}
}
else{
//take the one with lowest s
auto it=sss.begin();
if((*sss.begin()).se==(*ss.begin()).se){
it=next(it);
}
auto[_,i]=*ss.begin();
auto[__,j]=*it;
ss.erase(ss.begin());
ss.erase({s[j],j});
sss.erase(it);
//new s[j]->t[i];
t[j]=t[i];
ss.insert({s[j],j});
tt.insert({t[j],j});
}
}
return 0;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
10452 KB |
n = 2 |
2 |
Correct |
5 ms |
10452 KB |
n = 2 |
3 |
Correct |
4 ms |
10452 KB |
n = 2 |
4 |
Correct |
5 ms |
10452 KB |
n = 2 |
5 |
Correct |
5 ms |
10524 KB |
n = 2 |
6 |
Correct |
5 ms |
10520 KB |
n = 2 |
7 |
Correct |
5 ms |
10452 KB |
n = 3 |
8 |
Correct |
4 ms |
10452 KB |
n = 3 |
9 |
Correct |
5 ms |
10452 KB |
n = 3 |
10 |
Correct |
5 ms |
10452 KB |
n = 8 |
11 |
Correct |
5 ms |
10452 KB |
n = 8 |
12 |
Correct |
5 ms |
10452 KB |
n = 8 |
13 |
Correct |
5 ms |
10452 KB |
n = 8 |
14 |
Correct |
4 ms |
10452 KB |
n = 8 |
15 |
Correct |
5 ms |
10452 KB |
n = 8 |
16 |
Correct |
4 ms |
10452 KB |
n = 8 |
17 |
Correct |
5 ms |
10452 KB |
n = 8 |
18 |
Correct |
5 ms |
10452 KB |
n = 8 |
19 |
Correct |
5 ms |
10452 KB |
n = 3 |
20 |
Correct |
4 ms |
10476 KB |
n = 7 |
21 |
Correct |
5 ms |
10452 KB |
n = 8 |
22 |
Correct |
5 ms |
10452 KB |
n = 8 |
23 |
Correct |
4 ms |
10452 KB |
n = 8 |
24 |
Correct |
7 ms |
10452 KB |
n = 8 |
25 |
Correct |
5 ms |
10452 KB |
n = 8 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
10452 KB |
n = 2 |
2 |
Correct |
5 ms |
10452 KB |
n = 2 |
3 |
Correct |
4 ms |
10452 KB |
n = 2 |
4 |
Correct |
5 ms |
10452 KB |
n = 2 |
5 |
Correct |
5 ms |
10524 KB |
n = 2 |
6 |
Correct |
5 ms |
10520 KB |
n = 2 |
7 |
Correct |
5 ms |
10452 KB |
n = 3 |
8 |
Correct |
4 ms |
10452 KB |
n = 3 |
9 |
Correct |
5 ms |
10452 KB |
n = 3 |
10 |
Correct |
5 ms |
10452 KB |
n = 8 |
11 |
Correct |
5 ms |
10452 KB |
n = 8 |
12 |
Correct |
5 ms |
10452 KB |
n = 8 |
13 |
Correct |
5 ms |
10452 KB |
n = 8 |
14 |
Correct |
4 ms |
10452 KB |
n = 8 |
15 |
Correct |
5 ms |
10452 KB |
n = 8 |
16 |
Correct |
4 ms |
10452 KB |
n = 8 |
17 |
Correct |
5 ms |
10452 KB |
n = 8 |
18 |
Correct |
5 ms |
10452 KB |
n = 8 |
19 |
Correct |
5 ms |
10452 KB |
n = 3 |
20 |
Correct |
4 ms |
10476 KB |
n = 7 |
21 |
Correct |
5 ms |
10452 KB |
n = 8 |
22 |
Correct |
5 ms |
10452 KB |
n = 8 |
23 |
Correct |
4 ms |
10452 KB |
n = 8 |
24 |
Correct |
7 ms |
10452 KB |
n = 8 |
25 |
Correct |
5 ms |
10452 KB |
n = 8 |
26 |
Correct |
4 ms |
10452 KB |
n = 8 |
27 |
Correct |
6 ms |
10560 KB |
n = 8 |
28 |
Correct |
5 ms |
10452 KB |
n = 8 |
29 |
Correct |
47 ms |
10536 KB |
n = 16 |
30 |
Correct |
45 ms |
10536 KB |
n = 16 |
31 |
Correct |
44 ms |
10536 KB |
n = 16 |
32 |
Correct |
43 ms |
10452 KB |
n = 16 |
33 |
Correct |
45 ms |
10452 KB |
n = 16 |
34 |
Correct |
48 ms |
10532 KB |
n = 16 |
35 |
Correct |
40 ms |
10452 KB |
n = 16 |
36 |
Correct |
21 ms |
10452 KB |
n = 15 |
37 |
Correct |
6 ms |
10452 KB |
n = 8 |
38 |
Correct |
50 ms |
10452 KB |
n = 16 |
39 |
Correct |
44 ms |
10452 KB |
n = 16 |
40 |
Correct |
5 ms |
10452 KB |
n = 9 |
41 |
Correct |
46 ms |
10540 KB |
n = 16 |
42 |
Correct |
42 ms |
10452 KB |
n = 16 |
43 |
Correct |
48 ms |
10548 KB |
n = 16 |
44 |
Correct |
5 ms |
10452 KB |
n = 9 |
45 |
Correct |
22 ms |
10556 KB |
n = 15 |
46 |
Correct |
52 ms |
10532 KB |
n = 16 |
47 |
Correct |
44 ms |
10452 KB |
n = 16 |
48 |
Correct |
43 ms |
10580 KB |
n = 16 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2074 ms |
23752 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
10452 KB |
n = 2 |
2 |
Correct |
5 ms |
10452 KB |
n = 2 |
3 |
Correct |
4 ms |
10452 KB |
n = 2 |
4 |
Correct |
5 ms |
10452 KB |
n = 2 |
5 |
Correct |
5 ms |
10524 KB |
n = 2 |
6 |
Correct |
5 ms |
10520 KB |
n = 2 |
7 |
Correct |
5 ms |
10452 KB |
n = 3 |
8 |
Correct |
4 ms |
10452 KB |
n = 3 |
9 |
Correct |
5 ms |
10452 KB |
n = 3 |
10 |
Correct |
5 ms |
10452 KB |
n = 8 |
11 |
Correct |
5 ms |
10452 KB |
n = 8 |
12 |
Correct |
5 ms |
10452 KB |
n = 8 |
13 |
Correct |
5 ms |
10452 KB |
n = 8 |
14 |
Correct |
4 ms |
10452 KB |
n = 8 |
15 |
Correct |
5 ms |
10452 KB |
n = 8 |
16 |
Correct |
4 ms |
10452 KB |
n = 8 |
17 |
Correct |
5 ms |
10452 KB |
n = 8 |
18 |
Correct |
5 ms |
10452 KB |
n = 8 |
19 |
Correct |
5 ms |
10452 KB |
n = 3 |
20 |
Correct |
4 ms |
10476 KB |
n = 7 |
21 |
Correct |
5 ms |
10452 KB |
n = 8 |
22 |
Correct |
5 ms |
10452 KB |
n = 8 |
23 |
Correct |
4 ms |
10452 KB |
n = 8 |
24 |
Correct |
7 ms |
10452 KB |
n = 8 |
25 |
Correct |
5 ms |
10452 KB |
n = 8 |
26 |
Correct |
4 ms |
10452 KB |
n = 8 |
27 |
Correct |
6 ms |
10560 KB |
n = 8 |
28 |
Correct |
5 ms |
10452 KB |
n = 8 |
29 |
Correct |
47 ms |
10536 KB |
n = 16 |
30 |
Correct |
45 ms |
10536 KB |
n = 16 |
31 |
Correct |
44 ms |
10536 KB |
n = 16 |
32 |
Correct |
43 ms |
10452 KB |
n = 16 |
33 |
Correct |
45 ms |
10452 KB |
n = 16 |
34 |
Correct |
48 ms |
10532 KB |
n = 16 |
35 |
Correct |
40 ms |
10452 KB |
n = 16 |
36 |
Correct |
21 ms |
10452 KB |
n = 15 |
37 |
Correct |
6 ms |
10452 KB |
n = 8 |
38 |
Correct |
50 ms |
10452 KB |
n = 16 |
39 |
Correct |
44 ms |
10452 KB |
n = 16 |
40 |
Correct |
5 ms |
10452 KB |
n = 9 |
41 |
Correct |
46 ms |
10540 KB |
n = 16 |
42 |
Correct |
42 ms |
10452 KB |
n = 16 |
43 |
Correct |
48 ms |
10548 KB |
n = 16 |
44 |
Correct |
5 ms |
10452 KB |
n = 9 |
45 |
Correct |
22 ms |
10556 KB |
n = 15 |
46 |
Correct |
52 ms |
10532 KB |
n = 16 |
47 |
Correct |
44 ms |
10452 KB |
n = 16 |
48 |
Correct |
43 ms |
10580 KB |
n = 16 |
49 |
Execution timed out |
2074 ms |
23752 KB |
Time limit exceeded |
50 |
Halted |
0 ms |
0 KB |
- |