Submission #893646
Source Code Expand
#include <iostream> #include <string> #include <vector> #include <set> #include <algorithm> using namespace std; int main(){ ios_base::sync_with_stdio(false); int n, m, q; cin >> n >> m >> q; vector<int> a(q); for(int i = 0; i < q; ++i){ cin >> a[i]; --a[i]; } vector<int> occur(m); vector<int> order; for(int i = q - 1; i >= 0; --i){ if(occur[a[i]] == 0){ order.push_back(a[i]); } ++occur[a[i]]; } const int k = order.size(); bool is_ordered = true; for(int i = 0; i < k; ++i){ if(order[i] != i){ is_ordered = false; } } if(is_ordered){ cout << "Yes" << endl; return 0; } vector<int> lookup(m); for(int i = 0; i < k; ++i){ lookup[order[i]] = i; } vector<int> reach(k + 1); reach[0] = n; for(int i = q - 1; i >= 0; --i){ const int t = lookup[a[i]]; if(reach[t + 1] < reach[t]){ ++reach[t + 1]; } } set<int> s; for(int i = 0; i < m; ++i){ s.insert(i); } bool possible = true; for(int i = 0; possible && i < k; ++i){ if(reach[i + 1] < n && *(s.begin()) != order[i]){ possible = false; } s.erase(order[i]); } cout << (possible ? "Yes" : "No") << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - LRU Puzzle |
User | logicmachine |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 1173 Byte |
Status | AC |
Exec Time | 46 ms |
Memory | 6904 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1200 / 1200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt, 1_70.txt, 1_71.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 3 ms | 256 KB |
0_01.txt | AC | 3 ms | 256 KB |
0_02.txt | AC | 3 ms | 256 KB |
0_03.txt | AC | 3 ms | 256 KB |
1_00.txt | AC | 3 ms | 256 KB |
1_01.txt | AC | 3 ms | 256 KB |
1_02.txt | AC | 9 ms | 1024 KB |
1_03.txt | AC | 35 ms | 6144 KB |
1_04.txt | AC | 9 ms | 1024 KB |
1_05.txt | AC | 34 ms | 6144 KB |
1_06.txt | AC | 13 ms | 1660 KB |
1_07.txt | AC | 44 ms | 6904 KB |
1_08.txt | AC | 13 ms | 1660 KB |
1_09.txt | AC | 13 ms | 1660 KB |
1_10.txt | AC | 25 ms | 3836 KB |
1_11.txt | AC | 25 ms | 3836 KB |
1_12.txt | AC | 25 ms | 3836 KB |
1_13.txt | AC | 22 ms | 3836 KB |
1_14.txt | AC | 25 ms | 3836 KB |
1_15.txt | AC | 24 ms | 3836 KB |
1_16.txt | AC | 25 ms | 3836 KB |
1_17.txt | AC | 22 ms | 3836 KB |
1_18.txt | AC | 41 ms | 6008 KB |
1_19.txt | AC | 35 ms | 4092 KB |
1_20.txt | AC | 41 ms | 5880 KB |
1_21.txt | AC | 39 ms | 6648 KB |
1_22.txt | AC | 46 ms | 6520 KB |
1_23.txt | AC | 45 ms | 5244 KB |
1_24.txt | AC | 43 ms | 6648 KB |
1_25.txt | AC | 39 ms | 4860 KB |
1_26.txt | AC | 10 ms | 640 KB |
1_27.txt | AC | 10 ms | 640 KB |
1_28.txt | AC | 11 ms | 768 KB |
1_29.txt | AC | 12 ms | 768 KB |
1_30.txt | AC | 26 ms | 4480 KB |
1_31.txt | AC | 27 ms | 4736 KB |
1_32.txt | AC | 22 ms | 3712 KB |
1_33.txt | AC | 30 ms | 4864 KB |
1_34.txt | AC | 20 ms | 2432 KB |
1_35.txt | AC | 25 ms | 3452 KB |
1_36.txt | AC | 17 ms | 2048 KB |
1_37.txt | AC | 21 ms | 3196 KB |
1_38.txt | AC | 40 ms | 5116 KB |
1_39.txt | AC | 38 ms | 5624 KB |
1_40.txt | AC | 40 ms | 6396 KB |
1_41.txt | AC | 45 ms | 6776 KB |
1_42.txt | AC | 10 ms | 640 KB |
1_43.txt | AC | 10 ms | 640 KB |
1_44.txt | AC | 10 ms | 640 KB |
1_45.txt | AC | 10 ms | 640 KB |
1_46.txt | AC | 14 ms | 1536 KB |
1_47.txt | AC | 18 ms | 2560 KB |
1_48.txt | AC | 17 ms | 2432 KB |
1_49.txt | AC | 32 ms | 5248 KB |
1_50.txt | AC | 11 ms | 896 KB |
1_51.txt | AC | 10 ms | 768 KB |
1_52.txt | AC | 13 ms | 1152 KB |
1_53.txt | AC | 11 ms | 896 KB |
1_54.txt | AC | 11 ms | 1024 KB |
1_55.txt | AC | 17 ms | 2688 KB |
1_56.txt | AC | 39 ms | 6144 KB |
1_57.txt | AC | 32 ms | 5376 KB |
1_58.txt | AC | 9 ms | 640 KB |
1_59.txt | AC | 9 ms | 640 KB |
1_60.txt | AC | 9 ms | 640 KB |
1_61.txt | AC | 10 ms | 640 KB |
1_62.txt | AC | 16 ms | 2432 KB |
1_63.txt | AC | 34 ms | 6016 KB |
1_64.txt | AC | 9 ms | 768 KB |
1_65.txt | AC | 30 ms | 4864 KB |
1_66.txt | AC | 9 ms | 640 KB |
1_67.txt | AC | 9 ms | 640 KB |
1_68.txt | AC | 9 ms | 640 KB |
1_69.txt | AC | 10 ms | 640 KB |
1_70.txt | AC | 9 ms | 1152 KB |
1_71.txt | AC | 30 ms | 4736 KB |