結果
問題 | No.1647 Travel in Mitaru city 2 |
ユーザー | kiyoshi0205 |
提出日時 | 2021-08-13 22:12:24 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,783 bytes |
コンパイル時間 | 3,014 ms |
コンパイル使用メモリ | 200,980 KB |
実行使用メモリ | 28,684 KB |
最終ジャッジ日時 | 2024-10-03 19:26:26 |
合計ジャッジ時間 | 21,729 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | WA | - |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | WA | - |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | AC | 2 ms
6,820 KB |
testcase_44 | AC | 6 ms
10,192 KB |
testcase_45 | AC | 104 ms
19,568 KB |
testcase_46 | AC | 230 ms
26,752 KB |
testcase_47 | WA | - |
testcase_48 | AC | 102 ms
19,964 KB |
testcase_49 | WA | - |
testcase_50 | WA | - |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; using datas=pair<ll,ll>; using ddatas=pair<long double,long double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define uniq(v) vsort(v),(v).erase(unique(all(v)),(v).end()) #define endl "\n" #define popcount __builtin_popcountll #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) // constexpr ll mod=1000000007; constexpr ll mod=998244353; constexpr ll inf=1LL<<60; constexpr long double eps=1e-9; const long double PI=acosl(-1); template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";} template<class T> ostream& operator<<(ostream& os,const vector<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const set<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> ostream& operator<<(ostream& os,const multiset<T>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){ os<<"{";bool f=false; for(auto& x:v){if(f)os<<",";os<<x;f=true;} os<<"}"; return os; } template<class T> inline bool chmax(T& a,const T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;} #ifdef DEBUG void debugg(){cout<<endl;} template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);} #define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__) #else #define debug(...) (void(0)) #endif inline void startupcpp(void) noexcept{ cin.tie(0); ios::sync_with_stdio(false); } struct unionfind{ private: int maxN; vector<int> par,treesize; public:unionfind(int N) :maxN(N),par(N),treesize(N,1){ for(int i=0;i<maxN;++i)par[i]=i; } int root(int x){ while(par[x]!=x){ x=par[x]=par[par[x]]; } return x; } bool unite(int x,int y){ x=root(x); y=root(y); if(x==y)return false; if(treesize[x]>treesize[y])swap(x,y); par[x]=y; treesize[y]+=treesize[x]; return true; } bool unite(pair<int,int> v){ return unite(v.first,v.second); } bool parcheck(int x,int y){ return root(x)==root(y); } bool parcheck(pair<int,int> v){ return parcheck(v.first,v.second); } int size(int x){ return treesize[root(x)]; } void clear(){ treesize.assign(maxN,1); for(int i=0;i<maxN;++i)par[i]=i; } vector<vector<int>> groups(){ vector<vector<int>> res(maxN); for(int i=0;i<maxN;++i)res[root(i)].eb(i); // return res; vector<vector<int>> res2; for(vector<int> x:res){ if(x.size())res2.eb(x); } return res2; } }; int H,W,N; vector<int> par; vector<vector<int>> g; void dfs(int now,int p){ par[now]=p; for(auto x:g[now])if(x!=p)dfs(x,now); } using P=pair<int,int>; map<P,int> edge; int main(){ startupcpp(); ll i,j,k; cin>>H>>W>>N; g.resize(H+W); par.resize(H+W); unionfind uf(H+W); rep(k,N){ cin>>i>>j; --i;--j; debug(i,H+j); if(uf.unite(i,H+j)){ edge[P(i,H+j)]=edge[P(H+j,i)]=k+1; g[i].emplace_back(H+j); g[H+j].emplace_back(i); }else{ debug(g); print(4); dfs(H+j,-1); debug(par); vector<int> v(4); v[0]=i; rep(i,3)v[i+1]=par[v[i]]; rep(i,3)cout<<edge[P(v[i],v[i+1])]<<" "; print(k+1); return 0; } } print(-1); }