結果
問題 | No.1323 うしらずSwap |
ユーザー | 👑 tute7627 |
提出日時 | 2020-12-20 04:41:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 370 ms / 3,000 ms |
コード長 | 5,249 bytes |
コンパイル時間 | 2,688 ms |
コンパイル使用メモリ | 219,376 KB |
実行使用メモリ | 42,640 KB |
最終ジャッジ日時 | 2024-11-15 09:34:14 |
合計ジャッジ時間 | 11,962 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 113 ms
33,024 KB |
testcase_17 | AC | 185 ms
32,948 KB |
testcase_18 | AC | 114 ms
33,164 KB |
testcase_19 | AC | 189 ms
33,080 KB |
testcase_20 | AC | 109 ms
33,152 KB |
testcase_21 | AC | 114 ms
33,044 KB |
testcase_22 | AC | 186 ms
32,896 KB |
testcase_23 | AC | 112 ms
33,044 KB |
testcase_24 | AC | 187 ms
33,044 KB |
testcase_25 | AC | 113 ms
33,044 KB |
testcase_26 | AC | 113 ms
37,032 KB |
testcase_27 | AC | 127 ms
42,640 KB |
testcase_28 | AC | 128 ms
33,136 KB |
testcase_29 | AC | 90 ms
33,104 KB |
testcase_30 | AC | 140 ms
33,024 KB |
testcase_31 | AC | 88 ms
33,024 KB |
testcase_32 | AC | 139 ms
33,032 KB |
testcase_33 | AC | 370 ms
32,896 KB |
testcase_34 | AC | 358 ms
33,004 KB |
testcase_35 | AC | 350 ms
33,152 KB |
testcase_36 | AC | 352 ms
33,152 KB |
testcase_37 | AC | 345 ms
33,024 KB |
testcase_38 | AC | 341 ms
32,896 KB |
testcase_39 | AC | 346 ms
32,896 KB |
testcase_40 | AC | 346 ms
32,896 KB |
testcase_41 | AC | 351 ms
33,152 KB |
testcase_42 | AC | 329 ms
33,024 KB |
testcase_43 | AC | 68 ms
33,120 KB |
testcase_44 | AC | 105 ms
33,024 KB |
testcase_45 | AC | 97 ms
33,192 KB |
testcase_46 | AC | 110 ms
33,024 KB |
testcase_47 | AC | 76 ms
33,120 KB |
testcase_48 | AC | 84 ms
33,064 KB |
testcase_49 | AC | 145 ms
32,964 KB |
testcase_50 | AC | 76 ms
32,940 KB |
testcase_51 | AC | 40 ms
33,024 KB |
testcase_52 | AC | 56 ms
32,984 KB |
testcase_53 | AC | 130 ms
33,024 KB |
testcase_54 | AC | 57 ms
33,032 KB |
testcase_55 | AC | 147 ms
33,044 KB |
testcase_56 | AC | 47 ms
33,076 KB |
testcase_57 | AC | 158 ms
32,896 KB |
testcase_58 | AC | 2 ms
5,248 KB |
testcase_59 | AC | 3 ms
5,248 KB |
testcase_60 | AC | 2 ms
5,248 KB |
testcase_61 | AC | 2 ms
5,248 KB |
ソースコード
//#define _GLIBCXX_DEBUG #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lfs cout<<fixed<<setprecision(10) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T>void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++){for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T>void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));} template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} template<typename T>void rearrange(vector<ll>&ord, vector<T>&v){ auto tmp = v; for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]]; } template<typename Head, typename... Tail>void rearrange(vector<ll>&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll h,w,ra,ca,rb,cb;cin>>h>>w>>ra>>ca>>rb>>cb;ra--;ca--;rb--;cb--; vector<string>s(h); rep(i,0,h){ cin>>s[i]; } vector<vector<int>>dist; vector<vector<int>>dp; bool ok=true; auto solve=[&](){ queue<P>que; dist=vec(h,w,-1); dp=vec(h,w,0); que.emplace(ra,ca); dist[ra][ca]=0; dp[ra][ca]=1; while(!que.empty()){ auto p=que.front(); que.pop(); ll d=dist[p.fi][p.se]; rep(i,0,4){ ll x=p.fi+dx[i],y=p.se+dy[i]; if(x<0||y<0||x>=h||y>=w||s[x][y]=='#')continue; if(!ok&&p.fi==ra&&p.se==ca&&x==rb&&y==cb)continue; if(dist[x][y]==-1){ dist[x][y]=d+1; dp[x][y]=dp[p.fi][p.se]; que.emplace(x,y); } else if(dist[x][y]==d+1)dp[x][y]=min(2,dp[x][y]+dp[p.fi][p.se]); } } }; ll ret=INF; solve(); auto dpre=dist; //debug(dist,h,w);cout<<endl; //debug(dp,h,w);cout<<endl; if(dist[rb][cb]==-1){ cout<<-1<<endl; return 0; } vector<P>path; { ll nx=rb,ny=cb; while(nx!=ra||ny!=ca){ rep(i,0,4){ ll x=nx+dx[i],y=ny+dy[i]; if(x<0||y<0||x>=h||y>=w||dist[x][y]+1!=dist[nx][ny])continue; path.EB(x,y); nx=x;ny=y; break; } } path.pop_back(); } for(auto z:path){ ll cnt=0; rep(i,0,4){ ll x=z.fi+dx[i],y=z.se+dy[i]; if(x<0||y<0||x>=h||y>=w||s[x][y]=='#')continue; cnt++; } if(cnt>=3)chmin(ret,dist[rb][cb]*2+2); } if(dp[rb][cb]>=2)chmin(ret,dist[rb][cb]*2); //cout<<ret spa dist[rb][cb]<<endl; ll dd=dist[rb][cb]; { for(auto z:path){ s[z.fi][z.se]='#'; } ok=false; solve(); ok=true; //debug(s,h,w);cout<<endl; //debug(dist,h,w);cout<<endl; //debug(dp,h,w);cout<<endl; //cout<<dd spa dist[rb][cb]<<endl; if(dist[rb][cb]!=-1)chmin(ret,dist[rb][cb]+dd); for(auto z:path){ s[z.fi][z.se]='.'; } } { swap(ra,rb);swap(ca,cb); solve(); swap(ra,rb);swap(ca,cb); //debug(dist,h,w); rep(i,0,h)rep(j,0,w){ if(dpre[i][j]==-1||dist[i][j]==-1)continue; ll cnt=0; rep(o,0,4){ ll x=i+dx[o],y=j+dy[o]; if(x<0||y<0||x>=h||y>=w||s[x][y]=='#')continue; cnt++; } //cout<<i spa j spa cnt<<endl; if(cnt>=3)chmin(ret,(dpre[i][j]+dist[i][j])*2+4); } } ans(ret==INF,-1,ret); return 0; }