#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
#define ii pair<int, int>
#define fi first
#define se second
#define pb push_back
struct dsu {
vector <int> par;
void init(int n){
par.assign(n, 0);
for (int i = 0; i < n; ++i) par[i] = i;
}
int findset(int u) {
if(par[u] == u) return u;
return par[u] = findset(par[u]);
}
bool mergeset(int u, int v) {
u = findset(u), v = findset(v);
if(u == v) return false;
par[v] = u; return true;
}
} pa;
long long plan_roller_coaster(vector<int> s, vector<int> t) {
int n = s.size();
#define int long long
vector<int> vals;
for (auto &v : s) vals.pb(v);
for (auto &v : t) vals.pb(v);
sort(begin(vals), end(vals));
vals.resize(unique(begin(vals), end(vals)) - begin(vals));
vector<int> can(vals.size() + 5, 0);
pa.init(vals.size() + 10);
for (int i = 0; i < n; ++i) {
s[i] = lower_bound(begin(vals), end(vals), s[i]) - begin(vals);
t[i] = lower_bound(begin(vals), end(vals), t[i]) - begin(vals);
can[s[i]]++;
can[t[i]]--;
pa.mergeset(s[i], t[i]);
}
int m = vals.size();
int cur = 1;
long long ans = 0;
vector<tuple<long long, int, int>> ts;
for (int i = m - 1; i > 0; --i) {
cur += can[i];
if(cur < 0) {
ans += 1ll * (vals[i - 1] - vals[i]) * cur;
pa.mergeset(i - 1, i);
} else if(cur > 0) pa.mergeset(i - 1, i);
else ts.emplace_back(vals[i] - vals[i - 1], i, i - 1);
}
sort(begin(ts), end(ts));
for (auto &_ : ts) {
int64_t w;
int u, v;
tie(w, u, v) = _;
if(pa.mergeset(u, v)) {
ans += w;
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
364 KB |
n = 2 |
2 |
Correct |
1 ms |
364 KB |
n = 2 |
3 |
Correct |
1 ms |
364 KB |
n = 2 |
4 |
Correct |
0 ms |
364 KB |
n = 2 |
5 |
Correct |
1 ms |
364 KB |
n = 2 |
6 |
Correct |
1 ms |
364 KB |
n = 2 |
7 |
Correct |
1 ms |
364 KB |
n = 3 |
8 |
Correct |
1 ms |
364 KB |
n = 3 |
9 |
Correct |
0 ms |
364 KB |
n = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 8 |
11 |
Correct |
0 ms |
364 KB |
n = 8 |
12 |
Correct |
1 ms |
364 KB |
n = 8 |
13 |
Correct |
1 ms |
364 KB |
n = 8 |
14 |
Correct |
1 ms |
364 KB |
n = 8 |
15 |
Correct |
1 ms |
384 KB |
n = 8 |
16 |
Correct |
1 ms |
364 KB |
n = 8 |
17 |
Correct |
1 ms |
364 KB |
n = 8 |
18 |
Correct |
1 ms |
364 KB |
n = 8 |
19 |
Correct |
0 ms |
364 KB |
n = 3 |
20 |
Correct |
0 ms |
364 KB |
n = 7 |
21 |
Correct |
1 ms |
364 KB |
n = 8 |
22 |
Correct |
1 ms |
364 KB |
n = 8 |
23 |
Correct |
1 ms |
364 KB |
n = 8 |
24 |
Correct |
1 ms |
364 KB |
n = 8 |
25 |
Correct |
0 ms |
364 KB |
n = 8 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
364 KB |
n = 2 |
2 |
Correct |
1 ms |
364 KB |
n = 2 |
3 |
Correct |
1 ms |
364 KB |
n = 2 |
4 |
Correct |
0 ms |
364 KB |
n = 2 |
5 |
Correct |
1 ms |
364 KB |
n = 2 |
6 |
Correct |
1 ms |
364 KB |
n = 2 |
7 |
Correct |
1 ms |
364 KB |
n = 3 |
8 |
Correct |
1 ms |
364 KB |
n = 3 |
9 |
Correct |
0 ms |
364 KB |
n = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 8 |
11 |
Correct |
0 ms |
364 KB |
n = 8 |
12 |
Correct |
1 ms |
364 KB |
n = 8 |
13 |
Correct |
1 ms |
364 KB |
n = 8 |
14 |
Correct |
1 ms |
364 KB |
n = 8 |
15 |
Correct |
1 ms |
384 KB |
n = 8 |
16 |
Correct |
1 ms |
364 KB |
n = 8 |
17 |
Correct |
1 ms |
364 KB |
n = 8 |
18 |
Correct |
1 ms |
364 KB |
n = 8 |
19 |
Correct |
0 ms |
364 KB |
n = 3 |
20 |
Correct |
0 ms |
364 KB |
n = 7 |
21 |
Correct |
1 ms |
364 KB |
n = 8 |
22 |
Correct |
1 ms |
364 KB |
n = 8 |
23 |
Correct |
1 ms |
364 KB |
n = 8 |
24 |
Correct |
1 ms |
364 KB |
n = 8 |
25 |
Correct |
0 ms |
364 KB |
n = 8 |
26 |
Correct |
0 ms |
364 KB |
n = 8 |
27 |
Correct |
0 ms |
364 KB |
n = 8 |
28 |
Correct |
0 ms |
364 KB |
n = 8 |
29 |
Correct |
1 ms |
364 KB |
n = 16 |
30 |
Correct |
1 ms |
364 KB |
n = 16 |
31 |
Correct |
0 ms |
364 KB |
n = 16 |
32 |
Correct |
1 ms |
364 KB |
n = 16 |
33 |
Correct |
1 ms |
364 KB |
n = 16 |
34 |
Correct |
0 ms |
364 KB |
n = 16 |
35 |
Correct |
1 ms |
384 KB |
n = 16 |
36 |
Correct |
0 ms |
364 KB |
n = 15 |
37 |
Correct |
1 ms |
364 KB |
n = 8 |
38 |
Correct |
1 ms |
364 KB |
n = 16 |
39 |
Correct |
1 ms |
364 KB |
n = 16 |
40 |
Correct |
1 ms |
364 KB |
n = 9 |
41 |
Correct |
1 ms |
364 KB |
n = 16 |
42 |
Correct |
1 ms |
364 KB |
n = 16 |
43 |
Correct |
0 ms |
364 KB |
n = 16 |
44 |
Correct |
1 ms |
364 KB |
n = 9 |
45 |
Correct |
1 ms |
364 KB |
n = 15 |
46 |
Correct |
1 ms |
364 KB |
n = 16 |
47 |
Correct |
1 ms |
364 KB |
n = 16 |
48 |
Correct |
1 ms |
364 KB |
n = 16 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
228 ms |
11348 KB |
n = 199999 |
2 |
Correct |
232 ms |
11476 KB |
n = 199991 |
3 |
Correct |
266 ms |
11480 KB |
n = 199993 |
4 |
Correct |
174 ms |
9044 KB |
n = 152076 |
5 |
Correct |
90 ms |
5724 KB |
n = 93249 |
6 |
Correct |
202 ms |
10580 KB |
n = 199910 |
7 |
Correct |
236 ms |
11456 KB |
n = 199999 |
8 |
Correct |
194 ms |
10708 KB |
n = 199997 |
9 |
Correct |
196 ms |
9952 KB |
n = 171294 |
10 |
Correct |
189 ms |
8088 KB |
n = 140872 |
11 |
Correct |
203 ms |
10836 KB |
n = 199886 |
12 |
Correct |
205 ms |
12628 KB |
n = 199996 |
13 |
Correct |
209 ms |
12244 KB |
n = 200000 |
14 |
Correct |
230 ms |
20692 KB |
n = 199998 |
15 |
Correct |
247 ms |
20540 KB |
n = 200000 |
16 |
Correct |
260 ms |
20804 KB |
n = 199998 |
17 |
Correct |
230 ms |
14672 KB |
n = 200000 |
18 |
Correct |
219 ms |
11524 KB |
n = 190000 |
19 |
Correct |
207 ms |
13012 KB |
n = 177777 |
20 |
Correct |
91 ms |
5980 KB |
n = 100000 |
21 |
Correct |
208 ms |
11476 KB |
n = 200000 |
22 |
Correct |
265 ms |
20684 KB |
n = 200000 |
23 |
Correct |
256 ms |
20692 KB |
n = 200000 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
364 KB |
n = 2 |
2 |
Correct |
1 ms |
364 KB |
n = 2 |
3 |
Correct |
1 ms |
364 KB |
n = 2 |
4 |
Correct |
0 ms |
364 KB |
n = 2 |
5 |
Correct |
1 ms |
364 KB |
n = 2 |
6 |
Correct |
1 ms |
364 KB |
n = 2 |
7 |
Correct |
1 ms |
364 KB |
n = 3 |
8 |
Correct |
1 ms |
364 KB |
n = 3 |
9 |
Correct |
0 ms |
364 KB |
n = 3 |
10 |
Correct |
1 ms |
364 KB |
n = 8 |
11 |
Correct |
0 ms |
364 KB |
n = 8 |
12 |
Correct |
1 ms |
364 KB |
n = 8 |
13 |
Correct |
1 ms |
364 KB |
n = 8 |
14 |
Correct |
1 ms |
364 KB |
n = 8 |
15 |
Correct |
1 ms |
384 KB |
n = 8 |
16 |
Correct |
1 ms |
364 KB |
n = 8 |
17 |
Correct |
1 ms |
364 KB |
n = 8 |
18 |
Correct |
1 ms |
364 KB |
n = 8 |
19 |
Correct |
0 ms |
364 KB |
n = 3 |
20 |
Correct |
0 ms |
364 KB |
n = 7 |
21 |
Correct |
1 ms |
364 KB |
n = 8 |
22 |
Correct |
1 ms |
364 KB |
n = 8 |
23 |
Correct |
1 ms |
364 KB |
n = 8 |
24 |
Correct |
1 ms |
364 KB |
n = 8 |
25 |
Correct |
0 ms |
364 KB |
n = 8 |
26 |
Correct |
0 ms |
364 KB |
n = 8 |
27 |
Correct |
0 ms |
364 KB |
n = 8 |
28 |
Correct |
0 ms |
364 KB |
n = 8 |
29 |
Correct |
1 ms |
364 KB |
n = 16 |
30 |
Correct |
1 ms |
364 KB |
n = 16 |
31 |
Correct |
0 ms |
364 KB |
n = 16 |
32 |
Correct |
1 ms |
364 KB |
n = 16 |
33 |
Correct |
1 ms |
364 KB |
n = 16 |
34 |
Correct |
0 ms |
364 KB |
n = 16 |
35 |
Correct |
1 ms |
384 KB |
n = 16 |
36 |
Correct |
0 ms |
364 KB |
n = 15 |
37 |
Correct |
1 ms |
364 KB |
n = 8 |
38 |
Correct |
1 ms |
364 KB |
n = 16 |
39 |
Correct |
1 ms |
364 KB |
n = 16 |
40 |
Correct |
1 ms |
364 KB |
n = 9 |
41 |
Correct |
1 ms |
364 KB |
n = 16 |
42 |
Correct |
1 ms |
364 KB |
n = 16 |
43 |
Correct |
0 ms |
364 KB |
n = 16 |
44 |
Correct |
1 ms |
364 KB |
n = 9 |
45 |
Correct |
1 ms |
364 KB |
n = 15 |
46 |
Correct |
1 ms |
364 KB |
n = 16 |
47 |
Correct |
1 ms |
364 KB |
n = 16 |
48 |
Correct |
1 ms |
364 KB |
n = 16 |
49 |
Correct |
228 ms |
11348 KB |
n = 199999 |
50 |
Correct |
232 ms |
11476 KB |
n = 199991 |
51 |
Correct |
266 ms |
11480 KB |
n = 199993 |
52 |
Correct |
174 ms |
9044 KB |
n = 152076 |
53 |
Correct |
90 ms |
5724 KB |
n = 93249 |
54 |
Correct |
202 ms |
10580 KB |
n = 199910 |
55 |
Correct |
236 ms |
11456 KB |
n = 199999 |
56 |
Correct |
194 ms |
10708 KB |
n = 199997 |
57 |
Correct |
196 ms |
9952 KB |
n = 171294 |
58 |
Correct |
189 ms |
8088 KB |
n = 140872 |
59 |
Correct |
203 ms |
10836 KB |
n = 199886 |
60 |
Correct |
205 ms |
12628 KB |
n = 199996 |
61 |
Correct |
209 ms |
12244 KB |
n = 200000 |
62 |
Correct |
230 ms |
20692 KB |
n = 199998 |
63 |
Correct |
247 ms |
20540 KB |
n = 200000 |
64 |
Correct |
260 ms |
20804 KB |
n = 199998 |
65 |
Correct |
230 ms |
14672 KB |
n = 200000 |
66 |
Correct |
219 ms |
11524 KB |
n = 190000 |
67 |
Correct |
207 ms |
13012 KB |
n = 177777 |
68 |
Correct |
91 ms |
5980 KB |
n = 100000 |
69 |
Correct |
208 ms |
11476 KB |
n = 200000 |
70 |
Correct |
265 ms |
20684 KB |
n = 200000 |
71 |
Correct |
256 ms |
20692 KB |
n = 200000 |
72 |
Correct |
268 ms |
15188 KB |
n = 200000 |
73 |
Correct |
261 ms |
15188 KB |
n = 200000 |
74 |
Correct |
220 ms |
15184 KB |
n = 200000 |
75 |
Correct |
214 ms |
15136 KB |
n = 200000 |
76 |
Correct |
201 ms |
15188 KB |
n = 200000 |
77 |
Correct |
194 ms |
12884 KB |
n = 200000 |
78 |
Correct |
197 ms |
22228 KB |
n = 200000 |
79 |
Correct |
206 ms |
13780 KB |
n = 184307 |
80 |
Correct |
92 ms |
5980 KB |
n = 76040 |
81 |
Correct |
193 ms |
13396 KB |
n = 199981 |
82 |
Correct |
207 ms |
15640 KB |
n = 199994 |
83 |
Correct |
207 ms |
14676 KB |
n = 199996 |
84 |
Correct |
240 ms |
23676 KB |
n = 199998 |
85 |
Correct |
222 ms |
23380 KB |
n = 200000 |
86 |
Correct |
226 ms |
23892 KB |
n = 199998 |
87 |
Correct |
221 ms |
18388 KB |
n = 200000 |
88 |
Correct |
219 ms |
15700 KB |
n = 200000 |
89 |
Correct |
213 ms |
18368 KB |
n = 200000 |
90 |
Correct |
214 ms |
15316 KB |
n = 200000 |
91 |
Correct |
256 ms |
24404 KB |
n = 200000 |
92 |
Correct |
259 ms |
24532 KB |
n = 200000 |