Task: | Ladders |
Sender: | aalto2024g_007 |
Submission time: | 2024-10-09 17:22:08 +0300 |
Language: | C++ (C++17) |
Status: | READY |
Result: | TIME LIMIT EXCEEDED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
#4 | ACCEPTED | 0.00 s | details |
#5 | ACCEPTED | 0.00 s | details |
#6 | ACCEPTED | 0.00 s | details |
#7 | ACCEPTED | 0.00 s | details |
#8 | ACCEPTED | 0.00 s | details |
#9 | ACCEPTED | 0.00 s | details |
#10 | ACCEPTED | 0.00 s | details |
#11 | ACCEPTED | 0.00 s | details |
#12 | ACCEPTED | 0.00 s | details |
#13 | ACCEPTED | 0.00 s | details |
#14 | ACCEPTED | 0.00 s | details |
#15 | ACCEPTED | 0.00 s | details |
#16 | ACCEPTED | 0.00 s | details |
#17 | ACCEPTED | 0.00 s | details |
#18 | ACCEPTED | 0.00 s | details |
#19 | ACCEPTED | 0.00 s | details |
#20 | ACCEPTED | 0.00 s | details |
#21 | ACCEPTED | 0.00 s | details |
#22 | ACCEPTED | 0.00 s | details |
#23 | ACCEPTED | 0.00 s | details |
#24 | ACCEPTED | 0.00 s | details |
#25 | ACCEPTED | 0.00 s | details |
#26 | ACCEPTED | 0.00 s | details |
#27 | ACCEPTED | 0.00 s | details |
#28 | ACCEPTED | 0.00 s | details |
#29 | ACCEPTED | 0.00 s | details |
#30 | ACCEPTED | 0.00 s | details |
#31 | ACCEPTED | 0.00 s | details |
#32 | ACCEPTED | 0.00 s | details |
#33 | ACCEPTED | 0.00 s | details |
#34 | ACCEPTED | 0.00 s | details |
#35 | ACCEPTED | 0.00 s | details |
#36 | ACCEPTED | 0.00 s | details |
#37 | ACCEPTED | 0.00 s | details |
#38 | ACCEPTED | 0.00 s | details |
#39 | ACCEPTED | 0.00 s | details |
#40 | ACCEPTED | 0.00 s | details |
#41 | ACCEPTED | 0.00 s | details |
#42 | ACCEPTED | 0.00 s | details |
#43 | ACCEPTED | 0.00 s | details |
#44 | ACCEPTED | 0.00 s | details |
#45 | ACCEPTED | 0.00 s | details |
#46 | ACCEPTED | 0.00 s | details |
#47 | ACCEPTED | 0.00 s | details |
#48 | ACCEPTED | 0.00 s | details |
#49 | ACCEPTED | 0.00 s | details |
#50 | ACCEPTED | 0.00 s | details |
#51 | ACCEPTED | 0.00 s | details |
#52 | ACCEPTED | 0.01 s | details |
#53 | ACCEPTED | 0.01 s | details |
#54 | ACCEPTED | 0.01 s | details |
#55 | ACCEPTED | 0.01 s | details |
#56 | ACCEPTED | 0.01 s | details |
#57 | ACCEPTED | 0.01 s | details |
#58 | ACCEPTED | 0.01 s | details |
#59 | ACCEPTED | 0.01 s | details |
#60 | ACCEPTED | 0.01 s | details |
#61 | ACCEPTED | 0.01 s | details |
#62 | TIME LIMIT EXCEEDED | -- | details |
#63 | TIME LIMIT EXCEEDED | -- | details |
#64 | TIME LIMIT EXCEEDED | -- | details |
#65 | TIME LIMIT EXCEEDED | -- | details |
#66 | TIME LIMIT EXCEEDED | -- | details |
#67 | TIME LIMIT EXCEEDED | -- | details |
#68 | TIME LIMIT EXCEEDED | -- | details |
#69 | TIME LIMIT EXCEEDED | -- | details |
#70 | TIME LIMIT EXCEEDED | -- | details |
#71 | TIME LIMIT EXCEEDED | -- | details |
Code
#include <bits/stdc++.h> using namespace std; int bfs(int x, int z, int n, vector<vector<int>> &adj) { queue<int> q, d; q.push(x); d.push(0); vector<bool> visited(n, false); while (!q.empty()) { int c = q.front(); q.pop(); int dist = d.front(); d.pop(); if (visited[c]) continue; visited[c] = true; if (c == z) return dist; for (int y : adj[c]) { q.push(y); d.push(dist+1); } } return -1; } int main() { int n; cin >> n; vector<int> A(n); for (int i = 0; i < n; i++) cin >> A[i]; if (n == 1) { cout << 0 << endl; return 0; } else if (n == 2) { cout << 1 << endl; return 0; } map<int, int> index_of_num; for (int i = 0; i < n; i++) index_of_num[A[i]] = i; vector<vector<int>> adj(n); for (int pos = n-1; pos >= 1; pos--) { int value = A[pos]; for (int div = 1; div <= value/2; div++) { if (value % div == 0) { int index_of_div = index_of_num[div]; adj[index_of_div].push_back(pos); } } adj[pos-1].push_back(pos); } cout << bfs(0, n-1, n, adj) << endl; return 0; } /* 10 8 10 3 6 5 1 4 7 2 9 */
Test details
Test 1
Verdict: ACCEPTED
input |
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1 1 |
correct output |
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0 |
user output |
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0 |
Test 2
Verdict: ACCEPTED
input |
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2 2 1 |
correct output |
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1 |
user output |
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1 |
Test 3
Verdict: ACCEPTED
input |
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2 1 2 |
correct output |
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1 |
user output |
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1 |
Test 4
Verdict: ACCEPTED
input |
---|
2 2 1 |
correct output |
---|
1 |
user output |
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1 |
Test 5
Verdict: ACCEPTED
input |
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3 2 3 1 |
correct output |
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2 |
user output |
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2 |
Test 6
Verdict: ACCEPTED
input |
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3 1 2 3 |
correct output |
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1 |
user output |
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1 |
Test 7
Verdict: ACCEPTED
input |
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3 3 2 1 |
correct output |
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2 |
user output |
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2 |
Test 8
Verdict: ACCEPTED
input |
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4 3 2 1 4 |
correct output |
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2 |
user output |
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2 |
Test 9
Verdict: ACCEPTED
input |
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4 4 3 2 1 |
correct output |
---|
3 |
user output |
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3 |
Test 10
Verdict: ACCEPTED
input |
---|
4 4 2 1 3 |
correct output |
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3 |
user output |
---|
3 |
Test 11
Verdict: ACCEPTED
input |
---|
4 3 2 1 4 |
correct output |
---|
2 |
user output |
---|
2 |
Test 12
Verdict: ACCEPTED
input |
---|
4 1 3 2 4 |
correct output |
---|
1 |
user output |
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1 |
Test 13
Verdict: ACCEPTED
input |
---|
5 3 2 4 1 5 |
correct output |
---|
4 |
user output |
---|
4 |
Test 14
Verdict: ACCEPTED
input |
---|
5 1 2 4 3 5 |
correct output |
---|
1 |
user output |
---|
1 |
Test 15
Verdict: ACCEPTED
input |
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5 5 3 1 2 4 |
correct output |
---|
3 |
user output |
---|
3 |
Test 16
Verdict: ACCEPTED
input |
---|
5 3 1 4 2 5 |
correct output |
---|
2 |
user output |
---|
2 |
Test 17
Verdict: ACCEPTED
input |
---|
5 1 2 3 4 5 |
correct output |
---|
1 |
user output |
---|
1 |
Test 18
Verdict: ACCEPTED
input |
---|
5 3 1 5 4 2 |
correct output |
---|
2 |
user output |
---|
2 |
Test 19
Verdict: ACCEPTED
input |
---|
5 5 4 3 2 1 |
correct output |
---|
4 |
user output |
---|
4 |
Test 20
Verdict: ACCEPTED
input |
---|
5 5 3 1 4 2 |
correct output |
---|
3 |
user output |
---|
3 |
Test 21
Verdict: ACCEPTED
input |
---|
5 5 4 3 2 1 |
correct output |
---|
4 |
user output |
---|
4 |
Test 22
Verdict: ACCEPTED
input |
---|
5 5 1 4 3 2 |
correct output |
---|
2 |
user output |
---|
2 |
Test 23
Verdict: ACCEPTED
input |
---|
10 4 8 3 1 7 2 5 10 6 9 |
correct output |
---|
3 |
user output |
---|
3 |
Test 24
Verdict: ACCEPTED
input |
---|
10 8 10 3 6 5 1 4 7 2 9 |
correct output |
---|
3 |
user output |
---|
3 |
Test 25
Verdict: ACCEPTED
input |
---|
10 4 1 2 7 5 10 8 6 9 3 |
correct output |
---|
2 |
user output |
---|
2 |
Test 26
Verdict: ACCEPTED
input |
---|
10 10 9 7 2 5 1 3 4 6 8 |
correct output |
---|
4 |
user output |
---|
4 |
Test 27
Verdict: ACCEPTED
input |
---|
10 1 2 3 4 5 6 7 8 9 10 |
correct output |
---|
1 |
user output |
---|
1 |
Test 28
Verdict: ACCEPTED
input |
---|
10 6 7 10 9 5 2 1 3 8 4 |
correct output |
---|
6 |
user output |
---|
6 |
Test 29
Verdict: ACCEPTED
input |
---|
10 10 9 8 7 6 5 4 3 2 1 |
correct output |
---|
9 |
user output |
---|
9 |
Test 30
Verdict: ACCEPTED
input |
---|
10 8 5 3 7 4 1 6 2 10 9 |
correct output |
---|
3 |
user output |
---|
3 |
Test 31
Verdict: ACCEPTED
input |
---|
10 10 9 8 7 6 5 4 3 2 1 |
correct output |
---|
9 |
user output |
---|
9 |
Test 32
Verdict: ACCEPTED
input |
---|
10 10 3 6 8 4 5 1 7 2 9 |
correct output |
---|
2 |
user output |
---|
2 |
Test 33
Verdict: ACCEPTED
input |
---|
100 14 63 92 70 7 59 86 25 60 9 73... |
correct output |
---|
4 |
user output |
---|
4 |
Test 34
Verdict: ACCEPTED
input |
---|
100 92 55 15 16 23 1 24 22 89 71 6... |
correct output |
---|
6 |
user output |
---|
6 |
Test 35
Verdict: ACCEPTED
input |
---|
100 34 58 2 29 82 83 47 100 91 35 ... |
correct output |
---|
3 |
user output |
---|
3 |
Test 36
Verdict: ACCEPTED
input |
---|
100 26 63 34 33 58 41 40 29 22 8 7... |
correct output |
---|
5 |
user output |
---|
5 |
Test 37
Verdict: ACCEPTED
input |
---|
100 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
1 |
user output |
---|
1 |
Test 38
Verdict: ACCEPTED
input |
---|
100 6 85 10 52 5 84 64 92 89 31 60... |
correct output |
---|
1 |
user output |
---|
1 |
Test 39
Verdict: ACCEPTED
input |
---|
100 100 99 98 97 96 95 94 93 92 91... |
correct output |
---|
99 |
user output |
---|
99 |
Test 40
Verdict: ACCEPTED
input |
---|
100 33 75 25 88 30 21 6 11 72 70 3... |
correct output |
---|
5 |
user output |
---|
5 |
Test 41
Verdict: ACCEPTED
input |
---|
100 30 86 34 36 29 12 39 7 65 23 3... |
correct output |
---|
8 |
user output |
---|
8 |
Test 42
Verdict: ACCEPTED
input |
---|
200 14 63 135 70 7 59 198 180 108 ... |
correct output |
---|
6 |
user output |
---|
6 |
Test 43
Verdict: ACCEPTED
input |
---|
200 92 55 151 199 107 153 113 22 1... |
correct output |
---|
5 |
user output |
---|
5 |
Test 44
Verdict: ACCEPTED
input |
---|
200 34 58 2 29 82 162 47 100 91 35... |
correct output |
---|
5 |
user output |
---|
5 |
Test 45
Verdict: ACCEPTED
input |
---|
200 148 63 188 153 170 41 180 112 ... |
correct output |
---|
9 |
user output |
---|
9 |
Test 46
Verdict: ACCEPTED
input |
---|
200 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
1 |
user output |
---|
1 |
Test 47
Verdict: ACCEPTED
input |
---|
200 175 162 119 135 5 84 180 92 89... |
correct output |
---|
8 |
user output |
---|
8 |
Test 48
Verdict: ACCEPTED
input |
---|
200 200 199 198 197 196 195 194 19... |
correct output |
---|
199 |
user output |
---|
199 |
Test 49
Verdict: ACCEPTED
input |
---|
200 160 75 25 88 30 21 6 11 72 70 ... |
correct output |
---|
5 |
user output |
---|
5 |
Test 50
Verdict: ACCEPTED
input |
---|
200 30 86 162 36 29 12 145 195 134... |
correct output |
---|
4 |
user output |
---|
4 |
Test 51
Verdict: ACCEPTED
input |
---|
200 47 121 66 36 23 37 113 151 60 ... |
correct output |
---|
6 |
user output |
---|
6 |
Test 52
Verdict: ACCEPTED
input |
---|
1000 934 460 976 361 744 297 198 66... |
correct output |
---|
12 |
user output |
---|
12 |
Test 53
Verdict: ACCEPTED
input |
---|
1000 999 410 151 405 349 770 809 59... |
correct output |
---|
12 |
user output |
---|
12 |
Test 54
Verdict: ACCEPTED
input |
---|
1000 505 953 714 811 82 503 751 709... |
correct output |
---|
9 |
user output |
---|
9 |
Test 55
Verdict: ACCEPTED
input |
---|
1000 960 63 254 153 973 296 180 300... |
correct output |
---|
6 |
user output |
---|
6 |
Test 56
Verdict: ACCEPTED
input |
---|
1000 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
1 |
user output |
---|
1 |
Test 57
Verdict: ACCEPTED
input |
---|
1000 919 660 119 418 355 220 207 38... |
correct output |
---|
8 |
user output |
---|
8 |
Test 58
Verdict: ACCEPTED
input |
---|
1000 1000 999 998 997 996 995 994 9... |
correct output |
---|
999 |
user output |
---|
999 |
Test 59
Verdict: ACCEPTED
input |
---|
1000 219 802 25 833 912 846 639 806... |
correct output |
---|
5 |
user output |
---|
5 |
Test 60
Verdict: ACCEPTED
input |
---|
1000 821 625 397 588 943 372 469 30... |
correct output |
---|
15 |
user output |
---|
15 |
Test 61
Verdict: ACCEPTED
input |
---|
1000 749 481 66 36 256 37 113 712 5... |
correct output |
---|
10 |
user output |
---|
10 |
Test 62
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 26990 68204 21904 3028 29287 1... |
correct output |
---|
8 |
user output |
---|
(empty) |
Test 63
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 94616 96638 65840 9893 92126 1... |
correct output |
---|
12 |
user output |
---|
(empty) |
Test 64
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 11080 90273 56653 73314 33646 ... |
correct output |
---|
10 |
user output |
---|
(empty) |
Test 65
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 27548 48776 71938 59265 12094 ... |
correct output |
---|
11 |
user output |
---|
(empty) |
Test 66
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
correct output |
---|
1 |
user output |
---|
(empty) |
Test 67
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 77221 89614 36710 27644 37101 ... |
correct output |
---|
11 |
user output |
---|
(empty) |
Test 68
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 100000 99999 99998 99997 99996... |
correct output |
---|
99999 |
user output |
---|
(empty) |
Test 69
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 68737 37819 55518 77756 46481 ... |
correct output |
---|
12 |
user output |
---|
(empty) |
Test 70
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 39437 53659 60243 20923 38668 ... |
correct output |
---|
11 |
user output |
---|
(empty) |
Test 71
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 69631 70212 62831 61461 93551 ... |
correct output |
---|
14 |
user output |
---|
(empty) |