#include<bits/stdc++.h>
#include"railroad.h"
#define mp make_pair
#define mt make_tuple
#define all(x) x.begin(), x.end()
#define ff first
#define ss second
using namespace std;
template <typename T>
using matrix = vector<vector<T>>;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INFL = (1LL<<62)-1;
const int INF = (1<<30)-1;
const double EPS = 1e-7;
const int MOD = 1e9 + 7;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
const int MAXN = 1e6+1;
struct edge{
ll a, b, w;
bool operator<(edge c) const{
return w < c.w;
}
};
long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
int n = s.size();
set<int> S;
S.insert(0);
S.insert(INF);
map<int,int> tr;
for(int i = 0; i < n; i++){
S.insert(s[i]);
S.insert(t[i]);
}
for(int i : S)
tr[i] = tr.size();
int m = tr.size();
vector<int> delta(m);
vector<ll> og(m);
for(pii i : tr){
og[i.ss] = i.ff;
}
for(int& i : s)
i = tr[i];
for(int& i : t)
i = tr[i];
vector<int> pai(m);
iota(all(pai),0);
auto find =[&](int id, auto f){
if(pai[id] == id)
return id;
return pai[id] = f(pai[id],f);
};
auto onion =[&](int a, int b){
a = find(a,find);
b = find(b,find);
if(a == b)
return false;
pai[a] = b;
return true;
};
ll ahead = 1;
ll resp = 0;
for(int i = 0; i < n; i++){
delta[s[i]]--;
delta[t[i]]++;
onion(s[i],t[i]);
}
vector<edge> cand;
for(int i = 0; i < m-1; i++){
ahead+=delta[i];
if(ahead!=0){
resp+=max(0ll,-ahead*(og[i+1]-og[i]));
onion(i,i+1);
} else cand.push_back({i,i+1,og[i+1]-og[i]});
}
sort(all(cand));
for(edge i : cand){
if(onion(i.a,i.b))
resp+=i.w;
}
return resp;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
n = 2 |
2 |
Correct |
1 ms |
212 KB |
n = 2 |
3 |
Correct |
0 ms |
304 KB |
n = 2 |
4 |
Correct |
1 ms |
304 KB |
n = 2 |
5 |
Correct |
1 ms |
212 KB |
n = 2 |
6 |
Correct |
0 ms |
212 KB |
n = 2 |
7 |
Correct |
1 ms |
296 KB |
n = 3 |
8 |
Correct |
0 ms |
296 KB |
n = 3 |
9 |
Correct |
1 ms |
212 KB |
n = 3 |
10 |
Correct |
0 ms |
212 KB |
n = 8 |
11 |
Correct |
0 ms |
296 KB |
n = 8 |
12 |
Correct |
0 ms |
212 KB |
n = 8 |
13 |
Correct |
0 ms |
212 KB |
n = 8 |
14 |
Correct |
0 ms |
212 KB |
n = 8 |
15 |
Correct |
1 ms |
212 KB |
n = 8 |
16 |
Correct |
1 ms |
212 KB |
n = 8 |
17 |
Correct |
1 ms |
304 KB |
n = 8 |
18 |
Correct |
1 ms |
212 KB |
n = 8 |
19 |
Correct |
0 ms |
212 KB |
n = 3 |
20 |
Correct |
1 ms |
212 KB |
n = 7 |
21 |
Correct |
0 ms |
212 KB |
n = 8 |
22 |
Correct |
0 ms |
300 KB |
n = 8 |
23 |
Correct |
0 ms |
296 KB |
n = 8 |
24 |
Correct |
1 ms |
212 KB |
n = 8 |
25 |
Correct |
1 ms |
212 KB |
n = 8 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
n = 2 |
2 |
Correct |
1 ms |
212 KB |
n = 2 |
3 |
Correct |
0 ms |
304 KB |
n = 2 |
4 |
Correct |
1 ms |
304 KB |
n = 2 |
5 |
Correct |
1 ms |
212 KB |
n = 2 |
6 |
Correct |
0 ms |
212 KB |
n = 2 |
7 |
Correct |
1 ms |
296 KB |
n = 3 |
8 |
Correct |
0 ms |
296 KB |
n = 3 |
9 |
Correct |
1 ms |
212 KB |
n = 3 |
10 |
Correct |
0 ms |
212 KB |
n = 8 |
11 |
Correct |
0 ms |
296 KB |
n = 8 |
12 |
Correct |
0 ms |
212 KB |
n = 8 |
13 |
Correct |
0 ms |
212 KB |
n = 8 |
14 |
Correct |
0 ms |
212 KB |
n = 8 |
15 |
Correct |
1 ms |
212 KB |
n = 8 |
16 |
Correct |
1 ms |
212 KB |
n = 8 |
17 |
Correct |
1 ms |
304 KB |
n = 8 |
18 |
Correct |
1 ms |
212 KB |
n = 8 |
19 |
Correct |
0 ms |
212 KB |
n = 3 |
20 |
Correct |
1 ms |
212 KB |
n = 7 |
21 |
Correct |
0 ms |
212 KB |
n = 8 |
22 |
Correct |
0 ms |
300 KB |
n = 8 |
23 |
Correct |
0 ms |
296 KB |
n = 8 |
24 |
Correct |
1 ms |
212 KB |
n = 8 |
25 |
Correct |
1 ms |
212 KB |
n = 8 |
26 |
Correct |
0 ms |
212 KB |
n = 8 |
27 |
Correct |
0 ms |
212 KB |
n = 8 |
28 |
Correct |
1 ms |
212 KB |
n = 8 |
29 |
Correct |
0 ms |
300 KB |
n = 16 |
30 |
Correct |
0 ms |
212 KB |
n = 16 |
31 |
Correct |
0 ms |
212 KB |
n = 16 |
32 |
Correct |
0 ms |
212 KB |
n = 16 |
33 |
Correct |
1 ms |
304 KB |
n = 16 |
34 |
Correct |
0 ms |
212 KB |
n = 16 |
35 |
Correct |
0 ms |
212 KB |
n = 16 |
36 |
Correct |
1 ms |
212 KB |
n = 15 |
37 |
Correct |
0 ms |
296 KB |
n = 8 |
38 |
Correct |
0 ms |
212 KB |
n = 16 |
39 |
Correct |
0 ms |
212 KB |
n = 16 |
40 |
Correct |
0 ms |
212 KB |
n = 9 |
41 |
Correct |
1 ms |
212 KB |
n = 16 |
42 |
Correct |
0 ms |
212 KB |
n = 16 |
43 |
Correct |
1 ms |
212 KB |
n = 16 |
44 |
Correct |
1 ms |
212 KB |
n = 9 |
45 |
Correct |
0 ms |
212 KB |
n = 15 |
46 |
Correct |
0 ms |
212 KB |
n = 16 |
47 |
Correct |
1 ms |
296 KB |
n = 16 |
48 |
Correct |
0 ms |
212 KB |
n = 16 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
661 ms |
51096 KB |
n = 199999 |
2 |
Correct |
677 ms |
51104 KB |
n = 199991 |
3 |
Correct |
625 ms |
51176 KB |
n = 199993 |
4 |
Correct |
462 ms |
38596 KB |
n = 152076 |
5 |
Correct |
245 ms |
23912 KB |
n = 93249 |
6 |
Correct |
542 ms |
42004 KB |
n = 199910 |
7 |
Correct |
622 ms |
49336 KB |
n = 199999 |
8 |
Correct |
514 ms |
42224 KB |
n = 199997 |
9 |
Correct |
527 ms |
43600 KB |
n = 171294 |
10 |
Correct |
395 ms |
36148 KB |
n = 140872 |
11 |
Correct |
530 ms |
42748 KB |
n = 199886 |
12 |
Correct |
590 ms |
50684 KB |
n = 199996 |
13 |
Correct |
524 ms |
44936 KB |
n = 200000 |
14 |
Correct |
606 ms |
55688 KB |
n = 199998 |
15 |
Correct |
644 ms |
54968 KB |
n = 200000 |
16 |
Correct |
630 ms |
56692 KB |
n = 199998 |
17 |
Correct |
547 ms |
53164 KB |
n = 200000 |
18 |
Correct |
575 ms |
48844 KB |
n = 190000 |
19 |
Correct |
448 ms |
47248 KB |
n = 177777 |
20 |
Correct |
231 ms |
25676 KB |
n = 100000 |
21 |
Correct |
629 ms |
51132 KB |
n = 200000 |
22 |
Correct |
625 ms |
57404 KB |
n = 200000 |
23 |
Correct |
696 ms |
57380 KB |
n = 200000 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
n = 2 |
2 |
Correct |
1 ms |
212 KB |
n = 2 |
3 |
Correct |
0 ms |
304 KB |
n = 2 |
4 |
Correct |
1 ms |
304 KB |
n = 2 |
5 |
Correct |
1 ms |
212 KB |
n = 2 |
6 |
Correct |
0 ms |
212 KB |
n = 2 |
7 |
Correct |
1 ms |
296 KB |
n = 3 |
8 |
Correct |
0 ms |
296 KB |
n = 3 |
9 |
Correct |
1 ms |
212 KB |
n = 3 |
10 |
Correct |
0 ms |
212 KB |
n = 8 |
11 |
Correct |
0 ms |
296 KB |
n = 8 |
12 |
Correct |
0 ms |
212 KB |
n = 8 |
13 |
Correct |
0 ms |
212 KB |
n = 8 |
14 |
Correct |
0 ms |
212 KB |
n = 8 |
15 |
Correct |
1 ms |
212 KB |
n = 8 |
16 |
Correct |
1 ms |
212 KB |
n = 8 |
17 |
Correct |
1 ms |
304 KB |
n = 8 |
18 |
Correct |
1 ms |
212 KB |
n = 8 |
19 |
Correct |
0 ms |
212 KB |
n = 3 |
20 |
Correct |
1 ms |
212 KB |
n = 7 |
21 |
Correct |
0 ms |
212 KB |
n = 8 |
22 |
Correct |
0 ms |
300 KB |
n = 8 |
23 |
Correct |
0 ms |
296 KB |
n = 8 |
24 |
Correct |
1 ms |
212 KB |
n = 8 |
25 |
Correct |
1 ms |
212 KB |
n = 8 |
26 |
Correct |
0 ms |
212 KB |
n = 8 |
27 |
Correct |
0 ms |
212 KB |
n = 8 |
28 |
Correct |
1 ms |
212 KB |
n = 8 |
29 |
Correct |
0 ms |
300 KB |
n = 16 |
30 |
Correct |
0 ms |
212 KB |
n = 16 |
31 |
Correct |
0 ms |
212 KB |
n = 16 |
32 |
Correct |
0 ms |
212 KB |
n = 16 |
33 |
Correct |
1 ms |
304 KB |
n = 16 |
34 |
Correct |
0 ms |
212 KB |
n = 16 |
35 |
Correct |
0 ms |
212 KB |
n = 16 |
36 |
Correct |
1 ms |
212 KB |
n = 15 |
37 |
Correct |
0 ms |
296 KB |
n = 8 |
38 |
Correct |
0 ms |
212 KB |
n = 16 |
39 |
Correct |
0 ms |
212 KB |
n = 16 |
40 |
Correct |
0 ms |
212 KB |
n = 9 |
41 |
Correct |
1 ms |
212 KB |
n = 16 |
42 |
Correct |
0 ms |
212 KB |
n = 16 |
43 |
Correct |
1 ms |
212 KB |
n = 16 |
44 |
Correct |
1 ms |
212 KB |
n = 9 |
45 |
Correct |
0 ms |
212 KB |
n = 15 |
46 |
Correct |
0 ms |
212 KB |
n = 16 |
47 |
Correct |
1 ms |
296 KB |
n = 16 |
48 |
Correct |
0 ms |
212 KB |
n = 16 |
49 |
Correct |
661 ms |
51096 KB |
n = 199999 |
50 |
Correct |
677 ms |
51104 KB |
n = 199991 |
51 |
Correct |
625 ms |
51176 KB |
n = 199993 |
52 |
Correct |
462 ms |
38596 KB |
n = 152076 |
53 |
Correct |
245 ms |
23912 KB |
n = 93249 |
54 |
Correct |
542 ms |
42004 KB |
n = 199910 |
55 |
Correct |
622 ms |
49336 KB |
n = 199999 |
56 |
Correct |
514 ms |
42224 KB |
n = 199997 |
57 |
Correct |
527 ms |
43600 KB |
n = 171294 |
58 |
Correct |
395 ms |
36148 KB |
n = 140872 |
59 |
Correct |
530 ms |
42748 KB |
n = 199886 |
60 |
Correct |
590 ms |
50684 KB |
n = 199996 |
61 |
Correct |
524 ms |
44936 KB |
n = 200000 |
62 |
Correct |
606 ms |
55688 KB |
n = 199998 |
63 |
Correct |
644 ms |
54968 KB |
n = 200000 |
64 |
Correct |
630 ms |
56692 KB |
n = 199998 |
65 |
Correct |
547 ms |
53164 KB |
n = 200000 |
66 |
Correct |
575 ms |
48844 KB |
n = 190000 |
67 |
Correct |
448 ms |
47248 KB |
n = 177777 |
68 |
Correct |
231 ms |
25676 KB |
n = 100000 |
69 |
Correct |
629 ms |
51132 KB |
n = 200000 |
70 |
Correct |
625 ms |
57404 KB |
n = 200000 |
71 |
Correct |
696 ms |
57380 KB |
n = 200000 |
72 |
Correct |
689 ms |
51100 KB |
n = 200000 |
73 |
Correct |
676 ms |
51148 KB |
n = 200000 |
74 |
Correct |
650 ms |
51252 KB |
n = 200000 |
75 |
Correct |
507 ms |
51220 KB |
n = 200000 |
76 |
Correct |
514 ms |
51020 KB |
n = 200000 |
77 |
Correct |
335 ms |
29200 KB |
n = 200000 |
78 |
Correct |
371 ms |
35512 KB |
n = 200000 |
79 |
Correct |
596 ms |
46924 KB |
n = 184307 |
80 |
Correct |
167 ms |
19532 KB |
n = 76040 |
81 |
Correct |
552 ms |
42684 KB |
n = 199981 |
82 |
Correct |
588 ms |
50752 KB |
n = 199994 |
83 |
Correct |
535 ms |
44980 KB |
n = 199996 |
84 |
Correct |
579 ms |
55708 KB |
n = 199998 |
85 |
Correct |
582 ms |
54936 KB |
n = 200000 |
86 |
Correct |
630 ms |
56696 KB |
n = 199998 |
87 |
Correct |
535 ms |
53144 KB |
n = 200000 |
88 |
Correct |
634 ms |
51616 KB |
n = 200000 |
89 |
Correct |
541 ms |
53156 KB |
n = 200000 |
90 |
Correct |
624 ms |
51200 KB |
n = 200000 |
91 |
Correct |
682 ms |
57400 KB |
n = 200000 |
92 |
Correct |
691 ms |
57364 KB |
n = 200000 |