#include "fun.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, cent, D[100100], T[100100];
vector<int> V[4], ans;
int dist(int x, int y){
--x, --y;
return hoursRequired(x, y);
}
int query(int x, int y){
--x, --y;
return attractionsBehind(x, y);
}
void getCent(){
cent = 1;
for (int i=2;i<=n;i++) if (query(cent, i) * 2 > n){
cent = i;
}
}
void init(){
ans.clear();
for (int i=1;i<=3;i++) V[i].clear();
fill(T+1, T+n+1, 0);
vector<int> X;
for (int i=1;i<=n;i++){
D[i] = dist(cent, i);
if (D[i]==1){
X.push_back(i);
V[X.size()].push_back(i);
T[i] = X.size();
}
}
for (int i=1;i<=n;i++) if (i!=cent && find(X.begin(), X.end(), i)==X.end()){
int typ = (int)X.size()-1;
for (int j=0;j<(int)X.size()-1;j++){
if (query(i, X[j])*2 > n){
typ = j;
break;
}
}
typ++;
V[typ].push_back(i);
T[i] = typ;
}
for (int i=1;i<=3;i++){
assert((int)V[i].size() * 2 <= n);
sort(V[i].begin(), V[i].end(), [&](int x, int y){return D[x] < D[y];});
}
assert((int)V[1].size() + (int)V[2].size() + (int)V[3].size() + 1 == n);
}
bool chkPhase1(){
for (int i=1;i<=3;i++) assert((int)V[i].size()*2 <= n);
if (n%2==1) return 1;
for (int i=1;i<=3;i++) if ((int)V[i].size()*2 == n) return 0;
return 1;
}
void solve(){
// printf("cent: %d\n", cent-1);
// printf("phase 1:\n");
int prv = -1;
while(n>0 && chkPhase1()){
assert(n>1);
int mx = cent, typ = -1;
for (int i=1;i<=3;i++) if (i!=prv && !V[i].empty()){
if (D[mx] < D[V[i].back()]){
mx = V[i].back();
typ = i;
}
}
assert(typ!=-1);
ans.push_back(mx);
V[typ].pop_back();
--n;
prv = typ;
// printf("%d(%d) ", mx-1, D[mx]);
}
// printf("\nphase 2:\n");
assert(n>1);
assert(n%2==0);
vector<int> L, R = {cent};
for (int i=1;i<=3;i++){
if ((int)V[i].size()==n/2){
assert(i!=prv);
assert(L.empty());
L = V[i];
}
else{
for (auto &x:V[i]) R.push_back(x);
}
}
assert(L.size()==R.size());
sort(R.begin(), R.end(), [&](int x, int y){return D[x] < D[y];});
if (D[L.back()] < D[R.back()] && T[R.back()]!=prv) swap(L, R);
while(!L.empty()){
// printf("%d(%d) %d(%d) ", L.back()-1, D[L.back()], R.back()-1, D[R.back()]);
ans.push_back(L.back()); L.pop_back();
ans.push_back(R.back()); R.pop_back();
}
// printf("\n");
}
std::vector<int> createFunTour(int N, int Q) {
n = N;
getCent();
init();
solve();
for (auto &x:ans) --x;
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
316 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
308 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
308 KB |
Output is correct |
15 |
Correct |
1 ms |
312 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
312 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
316 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
308 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
308 KB |
Output is correct |
15 |
Correct |
1 ms |
312 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
312 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
308 KB |
Output is correct |
21 |
Correct |
1 ms |
312 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
312 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
312 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
2 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
5 ms |
312 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
308 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
316 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
312 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
312 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
312 KB |
Output is correct |
17 |
Correct |
1 ms |
312 KB |
Output is correct |
18 |
Correct |
117 ms |
15972 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
2 ms |
596 KB |
Output is correct |
21 |
Correct |
4 ms |
708 KB |
Output is correct |
22 |
Correct |
5 ms |
1364 KB |
Output is correct |
23 |
Correct |
11 ms |
2388 KB |
Output is correct |
24 |
Correct |
15 ms |
3048 KB |
Output is correct |
25 |
Correct |
63 ms |
9468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
316 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
312 KB |
Output is correct |
13 |
Correct |
2 ms |
340 KB |
Output is correct |
14 |
Correct |
8 ms |
1748 KB |
Output is correct |
15 |
Correct |
126 ms |
16568 KB |
Output is correct |
16 |
Correct |
122 ms |
16460 KB |
Output is correct |
17 |
Correct |
22 ms |
4140 KB |
Output is correct |
18 |
Correct |
57 ms |
7688 KB |
Output is correct |
19 |
Correct |
97 ms |
13012 KB |
Output is correct |
20 |
Correct |
4 ms |
852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
316 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
316 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
312 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
308 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
308 KB |
Output is correct |
15 |
Correct |
1 ms |
312 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
312 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
308 KB |
Output is correct |
21 |
Correct |
1 ms |
312 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
312 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
312 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
2 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
5 ms |
312 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
308 KB |
Output is correct |
42 |
Correct |
1 ms |
312 KB |
Output is correct |
43 |
Correct |
1 ms |
312 KB |
Output is correct |
44 |
Correct |
117 ms |
15972 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
2 ms |
596 KB |
Output is correct |
47 |
Correct |
4 ms |
708 KB |
Output is correct |
48 |
Correct |
5 ms |
1364 KB |
Output is correct |
49 |
Correct |
11 ms |
2388 KB |
Output is correct |
50 |
Correct |
15 ms |
3048 KB |
Output is correct |
51 |
Correct |
63 ms |
9468 KB |
Output is correct |
52 |
Correct |
2 ms |
340 KB |
Output is correct |
53 |
Correct |
8 ms |
1748 KB |
Output is correct |
54 |
Correct |
126 ms |
16568 KB |
Output is correct |
55 |
Correct |
122 ms |
16460 KB |
Output is correct |
56 |
Correct |
22 ms |
4140 KB |
Output is correct |
57 |
Correct |
57 ms |
7688 KB |
Output is correct |
58 |
Correct |
97 ms |
13012 KB |
Output is correct |
59 |
Correct |
4 ms |
852 KB |
Output is correct |
60 |
Correct |
163 ms |
16932 KB |
Output is correct |
61 |
Correct |
185 ms |
19332 KB |
Output is correct |
62 |
Correct |
156 ms |
16960 KB |
Output is correct |
63 |
Correct |
173 ms |
20924 KB |
Output is correct |
64 |
Correct |
171 ms |
20872 KB |
Output is correct |
65 |
Correct |
177 ms |
16560 KB |
Output is correct |
66 |
Correct |
182 ms |
18720 KB |
Output is correct |
67 |
Correct |
182 ms |
20792 KB |
Output is correct |
68 |
Correct |
198 ms |
20156 KB |
Output is correct |
69 |
Correct |
278 ms |
21396 KB |
Output is correct |
70 |
Correct |
151 ms |
16652 KB |
Output is correct |
71 |
Correct |
182 ms |
20532 KB |
Output is correct |
72 |
Correct |
171 ms |
19132 KB |
Output is correct |
73 |
Correct |
180 ms |
20236 KB |
Output is correct |
74 |
Correct |
209 ms |
21384 KB |
Output is correct |
75 |
Correct |
138 ms |
16956 KB |
Output is correct |
76 |
Correct |
159 ms |
20744 KB |
Output is correct |
77 |
Correct |
157 ms |
20932 KB |
Output is correct |
78 |
Correct |
161 ms |
20164 KB |
Output is correct |
79 |
Correct |
213 ms |
21540 KB |
Output is correct |
80 |
Correct |
216 ms |
21896 KB |
Output is correct |
81 |
Correct |
150 ms |
16712 KB |
Output is correct |
82 |
Correct |
151 ms |
16652 KB |
Output is correct |
83 |
Correct |
160 ms |
16980 KB |
Output is correct |
84 |
Correct |
53 ms |
7204 KB |
Output is correct |