Task: | Thin Ice |
Sender: | Sebastian Meineche Falk |
Submission time: | 2024-04-14 15:15:22 +0300 |
Language: | C++ (C++20) |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | WRONG ANSWER | 0 |
#2 | WRONG ANSWER | 0 |
#3 | WRONG ANSWER | 0 |
#4 | WRONG ANSWER | 0 |
#5 | WRONG ANSWER | 0 |
#6 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | WRONG ANSWER | 0.01 s | 1, 5, 6 | details |
#2 | WRONG ANSWER | 0.01 s | 1, 5, 6 | details |
#3 | ACCEPTED | 0.01 s | 1, 5, 6 | details |
#4 | ACCEPTED | 0.01 s | 1, 5, 6 | details |
#5 | ACCEPTED | 0.01 s | 1, 5, 6 | details |
#6 | ACCEPTED | 0.01 s | 1, 5, 6 | details |
#7 | ACCEPTED | 0.01 s | 1, 5, 6 | details |
#8 | ACCEPTED | 0.01 s | 1, 5, 6 | details |
#9 | ACCEPTED | 0.01 s | 1, 2, 5, 6 | details |
#10 | ACCEPTED | 0.05 s | 2, 6 | details |
#11 | WRONG ANSWER | 0.06 s | 2, 6 | details |
#12 | ACCEPTED | 0.05 s | 2, 6 | details |
#13 | ACCEPTED | 0.05 s | 2, 6 | details |
#14 | ACCEPTED | 0.05 s | 2, 6 | details |
#15 | WRONG ANSWER | 0.05 s | 2, 6 | details |
#16 | ACCEPTED | 0.06 s | 2, 6 | details |
#17 | WRONG ANSWER | 0.05 s | 2, 6 | details |
#18 | ACCEPTED | 0.05 s | 2, 6 | details |
#19 | ACCEPTED | 0.06 s | 2, 6 | details |
#20 | ACCEPTED | 0.05 s | 2, 6 | details |
#21 | ACCEPTED | 0.05 s | 2, 6 | details |
#22 | WRONG ANSWER | 0.01 s | 3, 4, 5, 6 | details |
#23 | WRONG ANSWER | 0.01 s | 3, 4, 5, 6 | details |
#24 | ACCEPTED | 0.01 s | 3, 4, 5, 6 | details |
#25 | ACCEPTED | 0.01 s | 3, 4, 5, 6 | details |
#26 | ACCEPTED | 0.01 s | 3, 4, 5, 6 | details |
#27 | WRONG ANSWER | 0.01 s | 3, 4, 5, 6 | details |
#28 | TIME LIMIT EXCEEDED | -- | 4, 6 | details |
#29 | TIME LIMIT EXCEEDED | -- | 4, 6 | details |
#30 | TIME LIMIT EXCEEDED | -- | 4, 6 | details |
#31 | TIME LIMIT EXCEEDED | -- | 4, 6 | details |
#32 | ACCEPTED | 0.10 s | 4, 6 | details |
#33 | ACCEPTED | 0.06 s | 4, 6 | details |
#34 | TIME LIMIT EXCEEDED | -- | 4, 6 | details |
#35 | WRONG ANSWER | 0.02 s | 5, 6 | details |
#36 | WRONG ANSWER | 0.07 s | 5, 6 | details |
#37 | WRONG ANSWER | 0.01 s | 5, 6 | details |
#38 | ACCEPTED | 0.02 s | 5, 6 | details |
#39 | ACCEPTED | 0.01 s | 5, 6 | details |
#40 | WRONG ANSWER | 0.01 s | 5, 6 | details |
#41 | WRONG ANSWER | 0.02 s | 5, 6 | details |
#42 | TIME LIMIT EXCEEDED | -- | 6 | details |
#43 | TIME LIMIT EXCEEDED | -- | 6 | details |
#44 | WRONG ANSWER | 0.17 s | 6 | details |
#45 | TIME LIMIT EXCEEDED | -- | 6 | details |
#46 | ACCEPTED | 0.15 s | 6 | details |
#47 | ACCEPTED | 0.17 s | 6 | details |
#48 | TIME LIMIT EXCEEDED | -- | 6 | details |
Code
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define G(x, y) ((y) * n + (x)) ll n, m; ll d[200000]; vector<ll> adj[200000]; priority_queue<pair<ll, ll>> q; vector<ll> vst(200000); ll id = 0; bool valPossibleAtPos(ll val, ll pos) { if (val-- > d[pos]) return false; id++; q.push({d[pos], pos}); while (!q.empty() && val) { ll node = q.top().second; q.pop(); if (d[node] < val) { while (!q.empty()) q.pop(); return false; } if (vst[node] == id) continue; vst[node] = id; val--; for (auto &e : adj[node]) { q.push({d[e], e}); } } return !val; } bool valPossible(ll val) { for (ll i = 0; i < n; i++) { if (valPossibleAtPos(val, G(i, 0))) return true; } for (ll i = 0; i < n; i++) { if (valPossibleAtPos(val, G(i, m-1))) return true; } for (ll i = 1; i < m-1; i++) { if (valPossibleAtPos(val, G(0, i))) return true; } for (ll i = 1; i < m-1; i++) { if (valPossibleAtPos(val, G(n-1, i))) return true; } return false; } int main() { ios::sync_with_stdio(0); cin >> n >> m; swap(n, m); ll mx = 0; for (ll i = 0; i < n*m; i++) { cin >> d[i]; if (d[i] > mx) mx = d[i]; } for (ll y = 0; y < m; y++) { for (ll x = 0; x < n; x++) { if (x-1 >= 0) adj[G(x, y)].push_back(G(x-1, y)); if (y-1 >= 0) adj[G(x, y)].push_back(G(x, y-1)); if (x+1 < n) adj[G(x, y)].push_back(G(x+1, y)); if (y+1 < m) adj[G(x, y)].push_back(G(x, y+1)); } } for (ll i = mx; i > 0; i--) { if (valPossible(i)) { cout << i; break; } } }
Test details
Test 1
Group: 1, 5, 6
Verdict: WRONG ANSWER
input |
---|
4 4 9 11 5 7 7 9 14 3 1 3 2 3 11 4 14 8 |
correct output |
---|
10 |
user output |
---|
11 |
Test 2
Group: 1, 5, 6
Verdict: WRONG ANSWER
input |
---|
5 3 10 7 11 8 5 5 12 9 10 3 13 9 ... |
correct output |
---|
10 |
user output |
---|
11 |
Test 3
Group: 1, 5, 6
Verdict: ACCEPTED
input |
---|
4 4 3 2 2 2 5 1 1 1 8 4 1 1 7 6 2 1 |
correct output |
---|
8 |
user output |
---|
8 |
Test 4
Group: 1, 5, 6
Verdict: ACCEPTED
input |
---|
3 5 1 11 1 3 5 4 12 7 8 7 13 14 14 9 4 |
correct output |
---|
14 |
user output |
---|
14 |
Test 5
Group: 1, 5, 6
Verdict: ACCEPTED
input |
---|
5 3 11 8 12 11 11 12 6 2 3 11 8 13 ... |
correct output |
---|
12 |
user output |
---|
12 |
Test 6
Group: 1, 5, 6
Verdict: ACCEPTED
input |
---|
3 5 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 |
correct output |
---|
14 |
user output |
---|
14 |
Test 7
Group: 1, 5, 6
Verdict: ACCEPTED
input |
---|
4 4 12 8 6 5 12 9 6 1 10 1 3 2 8 1 1 1 |
correct output |
---|
12 |
user output |
---|
12 |
Test 8
Group: 1, 5, 6
Verdict: ACCEPTED
input |
---|
4 4 8 3 15 14 10 12 2 4 5 16 9 6 7 13 1 11 |
correct output |
---|
13 |
user output |
---|
13 |
Test 9
Group: 1, 2, 5, 6
Verdict: ACCEPTED
input |
---|
4 4 4 1 1 2 3 5 4 2 2 2 1 2 1 4 3 4 |
correct output |
---|
4 |
user output |
---|
4 |
Test 10
Group: 2, 6
Verdict: ACCEPTED
input |
---|
10 20000 5 3 2 1 3 2 3 3 4 5 1 1 2 3 5 ... |
correct output |
---|
5 |
user output |
---|
5 |
Test 11
Group: 2, 6
Verdict: WRONG ANSWER
input |
---|
10 20000 1 2 1 2 1 2 1 2 1 1 1 1 2 1 1 ... |
correct output |
---|
3 |
user output |
---|
4 |
Test 12
Group: 2, 6
Verdict: ACCEPTED
input |
---|
10 20000 3 2 2 3 1 2 1 4 4 3 1 4 3 2 4 ... |
correct output |
---|
5 |
user output |
---|
5 |
Test 13
Group: 2, 6
Verdict: ACCEPTED
input |
---|
20000 10 1 1 3 1 2 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 2 1 1 1 2 2 1 1 1 2 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
4 |
user output |
---|
4 |
Test 14
Group: 2, 6
Verdict: ACCEPTED
input |
---|
10 20000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
correct output |
---|
3 |
user output |
---|
3 |
Test 15
Group: 2, 6
Verdict: WRONG ANSWER
input |
---|
10 20000 3 1 3 1 2 1 2 3 2 2 1 2 1 1 2 ... |
correct output |
---|
3 |
user output |
---|
4 |
Test 16
Group: 2, 6
Verdict: ACCEPTED
input |
---|
10 20000 1 2 2 2 1 2 3 1 2 2 2 1 2 2 2 ... |
correct output |
---|
4 |
user output |
---|
4 |
Test 17
Group: 2, 6
Verdict: WRONG ANSWER
input |
---|
10 20000 3 3 2 3 2 3 2 2 2 2 2 1 3 2 1 ... |
correct output |
---|
4 |
user output |
---|
5 |
Test 18
Group: 2, 6
Verdict: ACCEPTED
input |
---|
10 20000 1 3 3 1 1 4 3 3 3 1 2 2 1 3 1 ... |
correct output |
---|
5 |
user output |
---|
5 |
Test 19
Group: 2, 6
Verdict: ACCEPTED
input |
---|
7 28571 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ... |
correct output |
---|
3 |
user output |
---|
3 |
Test 20
Group: 2, 6
Verdict: ACCEPTED
input |
---|
28571 7 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 ... |
correct output |
---|
5 |
user output |
---|
5 |
Test 21
Group: 2, 6
Verdict: ACCEPTED
input |
---|
447 447 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ... |
correct output |
---|
3 |
user output |
---|
3 |
Test 22
Group: 3, 4, 5, 6
Verdict: WRONG ANSWER
input |
---|
1 100 46 23 23 55 37 17 30 32 25 71 ... |
correct output |
---|
30 |
user output |
---|
31 |
Test 23
Group: 3, 4, 5, 6
Verdict: WRONG ANSWER
input |
---|
1 100 8 13 12 11 15 15 15 19 18 21 2... |
correct output |
---|
76 |
user output |
---|
77 |
Test 24
Group: 3, 4, 5, 6
Verdict: ACCEPTED
input |
---|
1 100 94 94 94 95 95 91 97 100 92 98... |
correct output |
---|
95 |
user output |
---|
95 |
Test 25
Group: 3, 4, 5, 6
Verdict: ACCEPTED
input |
---|
1 100 83 83 83 83 83 83 83 83 83 83 ... |
correct output |
---|
83 |
user output |
---|
83 |
Test 26
Group: 3, 4, 5, 6
Verdict: ACCEPTED
input |
---|
1 100 33 34 35 38 38 40 41 42 42 45 ... |
correct output |
---|
95 |
user output |
---|
95 |
Test 27
Group: 3, 4, 5, 6
Verdict: WRONG ANSWER
input |
---|
1 100 57 1 80 39 18 63 30 86 85 55 8... |
correct output |
---|
29 |
user output |
---|
30 |
Test 28
Group: 4, 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1 200000 138736 14949 12344 104147 1333... |
correct output |
---|
1806 |
user output |
---|
(empty) |
Test 29
Group: 4, 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1 200000 141245 141090 141163 141286 14... |
correct output |
---|
155109 |
user output |
---|
(empty) |
Test 30
Group: 4, 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1 200000 102358 102469 102440 102402 10... |
correct output |
---|
152388 |
user output |
---|
(empty) |
Test 31
Group: 4, 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1 200000 180410 160820 160820 180614 18... |
correct output |
---|
160832 |
user output |
---|
(empty) |
Test 32
Group: 4, 6
Verdict: ACCEPTED
input |
---|
1 200000 198270 198270 198270 198270 19... |
correct output |
---|
198270 |
user output |
---|
198270 |
Test 33
Group: 4, 6
Verdict: ACCEPTED
input |
---|
1 200000 1 1 3 2 1 1 2 3 6 6 6 7 8 9 10... |
correct output |
---|
199995 |
user output |
---|
199995 |
Test 34
Group: 4, 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1 200000 14737 162555 44228 170991 1340... |
correct output |
---|
1902 |
user output |
---|
(empty) |
Test 35
Group: 5, 6
Verdict: WRONG ANSWER
input |
---|
31 32 669 792 226 189 860 737 291 83... |
correct output |
---|
565 |
user output |
---|
566 |
Test 36
Group: 5, 6
Verdict: WRONG ANSWER
input |
---|
10 100 730 698 339 743 536 702 94 556... |
correct output |
---|
529 |
user output |
---|
530 |
Test 37
Group: 5, 6
Verdict: WRONG ANSWER
input |
---|
32 31 633 613 618 605 635 638 668 67... |
correct output |
---|
678 |
user output |
---|
679 |
Test 38
Group: 5, 6
Verdict: ACCEPTED
input |
---|
142 7 983 930 963 926 979 962 962 966 930 963 924 928 928 926 926 929 929 922 931 931 978 929 929 929 922 959 928 964 ... |
correct output |
---|
934 |
user output |
---|
934 |
Test 39
Group: 5, 6
Verdict: ACCEPTED
input |
---|
31 32 977 977 977 977 977 977 977 97... |
correct output |
---|
977 |
user output |
---|
977 |
Test 40
Group: 5, 6
Verdict: WRONG ANSWER
input |
---|
50 20 1 27 14 23 38 48 56 3 12 9 6 2... |
correct output |
---|
997 |
user output |
---|
998 |
Test 41
Group: 5, 6
Verdict: WRONG ANSWER
input |
---|
20 50 481 532 624 290 965 58 448 872... |
correct output |
---|
504 |
user output |
---|
505 |
Test 42
Group: 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
447 447 6474 27185 108482 124481 16058... |
correct output |
---|
88202 |
user output |
---|
(empty) |
Test 43
Group: 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1000 200 27722 57131 197677 184858 9285... |
correct output |
---|
89324 |
user output |
---|
(empty) |
Test 44
Group: 6
Verdict: WRONG ANSWER
input |
---|
447 447 70928 73154 72640 74764 75237 ... |
correct output |
---|
181096 |
user output |
---|
181097 |
Test 45
Group: 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
7 28571 193031 185883 171670 185794 17... |
correct output |
---|
171680 |
user output |
---|
(empty) |
Test 46
Group: 6
Verdict: ACCEPTED
input |
---|
10 20000 191628 191628 191628 191628 19... |
correct output |
---|
191628 |
user output |
---|
191628 |
Test 47
Group: 6
Verdict: ACCEPTED
input |
---|
200 1000 3550 2640 3791 4248 4257 4504 ... |
correct output |
---|
199997 |
user output |
---|
199997 |
Test 48
Group: 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
1000 200 198379 62425 88013 50967 49098... |
correct output |
---|
89131 |
user output |
---|
(empty) |