結果
問題 | No.274 The Wall |
ユーザー | ok |
提出日時 | 2019-11-16 12:03:42 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,708 bytes |
コンパイル時間 | 1,083 ms |
コンパイル使用メモリ | 91,056 KB |
実行使用メモリ | 130,436 KB |
最終ジャッジ日時 | 2024-09-24 23:17:51 |
合計ジャッジ時間 | 3,783 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | WA | - |
testcase_03 | AC | 180 ms
98,760 KB |
testcase_04 | WA | - |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 316 ms
130,436 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 120 ms
59,448 KB |
testcase_17 | AC | 118 ms
57,796 KB |
testcase_18 | AC | 95 ms
45,896 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 112 ms
50,944 KB |
testcase_23 | AC | 112 ms
51,580 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
ソースコード
#include<iostream> #include<vector> #include<algorithm> using namespace std; void dfs1(vector<vector<pair<int,int>>> &graph, vector<int> &num, vector<int> &used, int node, int &con){ if(used[node]) return ; used[node] = true; for(pair<int,int> next : graph[node]){ dfs1(graph, num, used, next.first, con); } num[con++] = node; } void dfs2(vector<vector<pair<int,int>>> &graph, vector<int> &scc, vector<int> &used, int node, int same){ if(used[node]) return ; used[node] = true; for(pair<int,int> next : graph[node]){ dfs2(graph, scc, used, next.first, same); } scc[node] = same; } void Strongly_Connected_Components(vector<vector<pair<int,int>>> &graph, vector<int> &scc){ vector<int> used(graph.size()), num(graph.size()); vector<vector<pair<int,int>>> graph2(graph.size()); int con = 0; scc.resize(graph.size()); for(int i = 0; i < graph.size(); i++){ dfs1(graph, num, used, i, con); } for(int i = 0; i < graph.size(); i++){ for(int j = 0; j < graph[i].size(); j++){ graph2[graph[i][j].first].push_back(make_pair(i, graph[i][j].second)); } } used.clear(); used.resize(graph.size()); for(int i = (int)graph.size()-1, same = 0; i >= 0; i--){ if(!used[num[i]]){ dfs2(graph2, scc, used, num[i], same); same++; } } } bool two_satisfiability(int num, vector<pair<pair<bool,int>,pair<bool,int>>>& closure, vector<bool>& val){ vector<vector<pair<int,int>>> graph(num*2); vector<int> scc; val.resize(num); for(int i = 0; i < closure.size(); i++){ graph[!closure[i].first.first + closure[i].first.second*2].push_back({closure[i].second.first + closure[i].second.second*2 ,0}); graph[!closure[i].second.first + closure[i].second.second*2].push_back({closure[i].first.first + closure[i].first.second*2 ,0}); } Strongly_Connected_Components(graph, scc); for(int i = 0; i < num*2; i += 2){ if(scc[i] == scc[i+1]){ return false; } else if(scc[i] > scc[i+1]){ val[i] = true; } else { val[i] = false; } } return true; } signed main(){ int N, M; vector<pair<int,int>> in; vector<bool> val; vector<pair<pair<bool,int>,pair<bool,int>>> closure; cin>>N>>M; in.resize(N); for(int i = 0; i < N; i++){ int L, R; cin>>in[i*2].first>>in[i*2].second; } for(int i = 0; i < N; i++){ for(int j = i+1; j < N; j++){ pair<int,int> ri{M-in[i*2].second-1, M-in[i*2].first-1}, rj{M-in[j*2].second-1, M-in[j*2].first-1}; if(in[i].second - in[i].first + 1 + in[j].second - in[j].first + 1 > max(in[i].second, in[j].second) - min(in[i].first, in[j].first) + 1) { closure.push_back({{true,i},{true,j}}); } if(in[i].second - in[i].first + 1 + rj.second - rj.first + 1 > max(in[i].second, rj.second) - min(in[i].first, rj.first) + 1) { closure.push_back({{true,i},{false,j}}); } if(ri.second - ri.first + 1 + in[j].second - in[j].first + 1 > max(ri.second, in[j].second) - min(ri.first, in[j].first) + 1) { closure.push_back({{false,i},{true,j}}); } if(ri.second - ri.first + 1 + rj.second - rj.first + 1 > max(ri.second, rj.second) - min(ri.first, rj.first) + 1) { closure.push_back({{false,i},{false,j}}); } } } if(two_satisfiability(N, closure, val)){ cout<<"YES"<<endl; } else { cout<<"NO"<<endl; } return 0; }