#include <bits/stdc++.h>
#include "railroad.h"
using namespace std;
struct data {
int x, y, z;
data () {}
data (int _x, int _y, int _z) {
x = _x, y = _y, z = _z;
}
bool operator < (const data &d) const {
return x < d.x;
}
};
const int INF = 2e9 + 10;
vector <int> p;
int find (int x) {
return p[x] == x ? x : p[x] = find(p[x]);
}
bool merge (int x, int y) {
x = find(x), y = find(y);
return p[x] = y, x != y;
}
long long plan_roller_coaster (vector <int> s, vector <int> t) {
s.push_back(INF);
t.push_back(1);
int n = (int) s.size();
for (int i = 0; i < n; ++i) {
p.push_back(i);
}
vector <data> good, edge;
for (int i = 0; i < n; ++i) {
good.emplace_back(s[i], i, 1);
good.emplace_back(t[i], i, -1);
}
sort(good.begin(), good.end());
long long ans = 0;
for (int i = 0, diff = 0; i + 1 < n + n; ++i) {
diff += good[i].z;
ans += max(0, diff) * 1LL * (good[i + 1].x - good[i].x);
edge.emplace_back(good[i + 1].x - good[i].x, good[i].y, good[i + 1].y);
if ((diff != 0) or (good[i].x == good[i + 1].x)) {
merge(good[i].y, good[i + 1].y);
}
}
sort(edge.begin(), edge.end());
for (int i = 0; i + 1 < n + n; ++i) {
if (merge(edge[i].y, edge[i].z)) {
ans += 1LL * edge[i].x;
}
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 2 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 3 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 4 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 5 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 6 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 7 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 8 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 9 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 10 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 11 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 12 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 13 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 14 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 15 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 16 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 17 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 18 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 19 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 20 |
Correct |
0 ms |
2024 KB |
n = 7 |
| 21 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 22 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 23 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 24 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 25 |
Correct |
0 ms |
2024 KB |
n = 8 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 2 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 3 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 4 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 5 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 6 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 7 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 8 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 9 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 10 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 11 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 12 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 13 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 14 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 15 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 16 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 17 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 18 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 19 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 20 |
Correct |
0 ms |
2024 KB |
n = 7 |
| 21 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 22 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 23 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 24 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 25 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 26 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 27 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 28 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 29 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 30 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 31 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 32 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 33 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 34 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 35 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 36 |
Correct |
0 ms |
2024 KB |
n = 15 |
| 37 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 38 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 39 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 40 |
Correct |
0 ms |
2024 KB |
n = 9 |
| 41 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 42 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 43 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 44 |
Correct |
0 ms |
2024 KB |
n = 9 |
| 45 |
Correct |
0 ms |
2024 KB |
n = 15 |
| 46 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 47 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 48 |
Correct |
0 ms |
2024 KB |
n = 16 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
209 ms |
26264 KB |
n = 199999 |
| 2 |
Correct |
233 ms |
26264 KB |
n = 199991 |
| 3 |
Correct |
203 ms |
26264 KB |
n = 199993 |
| 4 |
Correct |
143 ms |
25144 KB |
n = 152076 |
| 5 |
Correct |
96 ms |
14040 KB |
n = 93249 |
| 6 |
Correct |
179 ms |
26264 KB |
n = 199910 |
| 7 |
Correct |
183 ms |
26264 KB |
n = 199999 |
| 8 |
Correct |
169 ms |
26264 KB |
n = 199997 |
| 9 |
Correct |
189 ms |
25592 KB |
n = 171294 |
| 10 |
Correct |
146 ms |
24880 KB |
n = 140872 |
| 11 |
Correct |
169 ms |
26264 KB |
n = 199886 |
| 12 |
Correct |
186 ms |
26264 KB |
n = 199996 |
| 13 |
Correct |
166 ms |
26264 KB |
n = 200000 |
| 14 |
Correct |
179 ms |
26264 KB |
n = 199998 |
| 15 |
Correct |
156 ms |
26264 KB |
n = 200000 |
| 16 |
Correct |
193 ms |
26264 KB |
n = 199998 |
| 17 |
Correct |
196 ms |
29264 KB |
n = 200000 |
| 18 |
Correct |
186 ms |
26136 KB |
n = 190000 |
| 19 |
Correct |
146 ms |
28396 KB |
n = 177777 |
| 20 |
Correct |
116 ms |
14192 KB |
n = 100000 |
| 21 |
Correct |
173 ms |
26264 KB |
n = 200000 |
| 22 |
Correct |
186 ms |
26264 KB |
n = 200000 |
| 23 |
Correct |
189 ms |
26264 KB |
n = 200000 |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 2 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 3 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 4 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 5 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 6 |
Correct |
0 ms |
2024 KB |
n = 2 |
| 7 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 8 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 9 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 10 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 11 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 12 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 13 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 14 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 15 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 16 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 17 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 18 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 19 |
Correct |
0 ms |
2024 KB |
n = 3 |
| 20 |
Correct |
0 ms |
2024 KB |
n = 7 |
| 21 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 22 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 23 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 24 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 25 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 26 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 27 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 28 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 29 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 30 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 31 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 32 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 33 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 34 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 35 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 36 |
Correct |
0 ms |
2024 KB |
n = 15 |
| 37 |
Correct |
0 ms |
2024 KB |
n = 8 |
| 38 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 39 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 40 |
Correct |
0 ms |
2024 KB |
n = 9 |
| 41 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 42 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 43 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 44 |
Correct |
0 ms |
2024 KB |
n = 9 |
| 45 |
Correct |
0 ms |
2024 KB |
n = 15 |
| 46 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 47 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 48 |
Correct |
0 ms |
2024 KB |
n = 16 |
| 49 |
Correct |
209 ms |
26264 KB |
n = 199999 |
| 50 |
Correct |
233 ms |
26264 KB |
n = 199991 |
| 51 |
Correct |
203 ms |
26264 KB |
n = 199993 |
| 52 |
Correct |
143 ms |
25144 KB |
n = 152076 |
| 53 |
Correct |
96 ms |
14040 KB |
n = 93249 |
| 54 |
Correct |
179 ms |
26264 KB |
n = 199910 |
| 55 |
Correct |
183 ms |
26264 KB |
n = 199999 |
| 56 |
Correct |
169 ms |
26264 KB |
n = 199997 |
| 57 |
Correct |
189 ms |
25592 KB |
n = 171294 |
| 58 |
Correct |
146 ms |
24880 KB |
n = 140872 |
| 59 |
Correct |
169 ms |
26264 KB |
n = 199886 |
| 60 |
Correct |
186 ms |
26264 KB |
n = 199996 |
| 61 |
Correct |
166 ms |
26264 KB |
n = 200000 |
| 62 |
Correct |
179 ms |
26264 KB |
n = 199998 |
| 63 |
Correct |
156 ms |
26264 KB |
n = 200000 |
| 64 |
Correct |
193 ms |
26264 KB |
n = 199998 |
| 65 |
Correct |
196 ms |
29264 KB |
n = 200000 |
| 66 |
Correct |
186 ms |
26136 KB |
n = 190000 |
| 67 |
Correct |
146 ms |
28396 KB |
n = 177777 |
| 68 |
Correct |
116 ms |
14192 KB |
n = 100000 |
| 69 |
Correct |
173 ms |
26264 KB |
n = 200000 |
| 70 |
Correct |
186 ms |
26264 KB |
n = 200000 |
| 71 |
Correct |
189 ms |
26264 KB |
n = 200000 |
| 72 |
Correct |
193 ms |
26264 KB |
n = 200000 |
| 73 |
Correct |
229 ms |
26264 KB |
n = 200000 |
| 74 |
Correct |
216 ms |
26264 KB |
n = 200000 |
| 75 |
Correct |
153 ms |
26264 KB |
n = 200000 |
| 76 |
Correct |
166 ms |
26264 KB |
n = 200000 |
| 77 |
Correct |
159 ms |
26264 KB |
n = 200000 |
| 78 |
Correct |
173 ms |
26264 KB |
n = 200000 |
| 79 |
Correct |
183 ms |
25888 KB |
n = 184307 |
| 80 |
Correct |
66 ms |
13632 KB |
n = 76040 |
| 81 |
Correct |
139 ms |
26264 KB |
n = 199981 |
| 82 |
Correct |
149 ms |
26264 KB |
n = 199994 |
| 83 |
Correct |
146 ms |
26264 KB |
n = 199996 |
| 84 |
Correct |
166 ms |
26264 KB |
n = 199998 |
| 85 |
Correct |
149 ms |
26264 KB |
n = 200000 |
| 86 |
Correct |
173 ms |
26264 KB |
n = 199998 |
| 87 |
Correct |
183 ms |
29264 KB |
n = 200000 |
| 88 |
Correct |
196 ms |
26808 KB |
n = 200000 |
| 89 |
Correct |
169 ms |
29268 KB |
n = 200000 |
| 90 |
Correct |
216 ms |
26264 KB |
n = 200000 |
| 91 |
Correct |
169 ms |
26264 KB |
n = 200000 |
| 92 |
Correct |
173 ms |
26264 KB |
n = 200000 |
