#include <bits/stdc++.h> #define int long long #define mp make_pair #define pb push_back #define ld long double #define pii pair<int,int> #define sz(x) (int)x.size() #define piii pair<pii,pii> #define precise cout<<fixed<<setprecision(10) #define st first #define nd second #define ins insert #define vi vector<int> #define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0) using namespace std; const int MAX=2e6+5; int p[MAX]; vector<vector<string>>s; vector<vector<bool>>O; vector<vector<bool>>xd; int n,m,q; bool check(int x,int y){ // plac return x>=0 && x<=n && y>=0 && y<=m; } int conv(int x,int y){ return x*(m+1)+y; } void ustaw(int nn,int nm){ s.resize(nn+1);for (int i=0;i<=nn;i++)s[i].resize(nm+1); O.resize(nn+1);for (int i=0;i<=nn;i++)O[i].resize(nm+1); xd.resize(nn+1);for (int i=0;i<=nn;i++)xd[i].resize(nm+1); for (int i=0;i<=n;i++)for (int j=0;j<=m;j++)O[i][j]=false; for (int i=0;i<=n;i++)for (int j=0;j<=m;j++)xd[i][j]=false; } vector<pii>stos; vector<pii>stos2; int ans; int px[4]={0,1,0,-1}; int py[4]={1,0,-1,0}; // prawo dol lewo gora bool open(int x,int y,int wsk){ int tox=px[wsk]+x; int toy=py[wsk]+y; int a=x,b=y,c=tox,d=toy; for (int portalx=x;portalx<=x+1;portalx++){ for (int portaly=y;portaly<=y+1;portaly++){ if (portalx<1 || portalx>n || portaly<1 || portaly>m)continue; if (s[portalx][portaly][ans%sz(s[portalx][portaly])]=='0'){ int ap=portalx-1,bp=portaly-1,cp=portalx,dp=portaly-1; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; ap=portalx-1,bp=portaly,cp=portalx,dp=portaly; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; } else{ int ap=portalx-1,bp=portaly-1,cp=portalx-1,dp=portaly; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; ap=portalx,bp=portaly-1,cp=portalx,dp=portaly; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; } } } return false; } void dfs(int x,int y){ O[x][y]=true; stos2.pb(mp(x,y)); for (int i=0;i<4;i++){ int tox=px[i]+x; int toy=py[i]+y; if (check(tox,toy) && !O[tox][toy] && open(x,y,i)){ dfs(tox,toy); } } } void solve(){ int a,b,c,d; cin>>ans>>a>>b>>c>>d; stos.pb(mp(a,b)); vector<pii>pies; pies.clear(); while (true){ for (auto it:stos){ if (!O[it.st][it.nd]){ dfs(it.st,it.nd); } } stos=stos2; bool flaga=false; for (auto it:stos){ if (it.st==c && it.nd==d){flaga=true;} bool umiemzyc=true; for (int i=0;i<4;i++){ int tox=px[i]+it.st; int toy=py[i]+it.nd; if (check(tox,toy) && !O[tox][toy]){umiemzyc=false;break;} } if (umiemzyc)xd[it.st][it.nd]=true; } for (auto it:stos){ if (xd[it.st][it.nd])pies.pb(mp(it.st,it.nd)); else O[it.st][it.nd]=false; } stos2.clear(); if (flaga)break; ans++; } for (auto it:stos)O[it.st][it.nd]=false; for (auto it:pies)O[it.st][it.nd]=false,xd[it.st][it.nd]=false; stos.clear(); stos2.clear(); cout<<ans<<"\n"; } int32_t main(){ BOOST; cin>>n>>m>>q; ustaw(n,m); for (int i=1;i<=n;i++){ for (int j=1;j<=m;j++){ cin>>s[i][j]; } } for (int z=0;z<q;z++){ solve(); } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | #include <bits/stdc++.h> #define int long long #define mp make_pair #define pb push_back #define ld long double #define pii pair<int,int> #define sz(x) (int)x.size() #define piii pair<pii,pii> #define precise cout<<fixed<<setprecision(10) #define st first #define nd second #define ins insert #define vi vector<int> #define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0) using namespace std; const int MAX=2e6+5; int p[MAX]; vector<vector<string>>s; vector<vector<bool>>O; vector<vector<bool>>xd; int n,m,q; bool check(int x,int y){ // plac return x>=0 && x<=n && y>=0 && y<=m; } int conv(int x,int y){ return x*(m+1)+y; } void ustaw(int nn,int nm){ s.resize(nn+1);for (int i=0;i<=nn;i++)s[i].resize(nm+1); O.resize(nn+1);for (int i=0;i<=nn;i++)O[i].resize(nm+1); xd.resize(nn+1);for (int i=0;i<=nn;i++)xd[i].resize(nm+1); for (int i=0;i<=n;i++)for (int j=0;j<=m;j++)O[i][j]=false; for (int i=0;i<=n;i++)for (int j=0;j<=m;j++)xd[i][j]=false; } vector<pii>stos; vector<pii>stos2; int ans; int px[4]={0,1,0,-1}; int py[4]={1,0,-1,0}; // prawo dol lewo gora bool open(int x,int y,int wsk){ int tox=px[wsk]+x; int toy=py[wsk]+y; int a=x,b=y,c=tox,d=toy; for (int portalx=x;portalx<=x+1;portalx++){ for (int portaly=y;portaly<=y+1;portaly++){ if (portalx<1 || portalx>n || portaly<1 || portaly>m)continue; if (s[portalx][portaly][ans%sz(s[portalx][portaly])]=='0'){ int ap=portalx-1,bp=portaly-1,cp=portalx,dp=portaly-1; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; ap=portalx-1,bp=portaly,cp=portalx,dp=portaly; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; } else{ int ap=portalx-1,bp=portaly-1,cp=portalx-1,dp=portaly; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; ap=portalx,bp=portaly-1,cp=portalx,dp=portaly; if (mp(a,b)==mp(ap,bp) && mp(c,d)==mp(cp,dp))return true; if (mp(a,b)==mp(cp,dp) && mp(c,d)==mp(ap,bp))return true; } } } return false; } void dfs(int x,int y){ O[x][y]=true; stos2.pb(mp(x,y)); for (int i=0;i<4;i++){ int tox=px[i]+x; int toy=py[i]+y; if (check(tox,toy) && !O[tox][toy] && open(x,y,i)){ dfs(tox,toy); } } } void solve(){ int a,b,c,d; cin>>ans>>a>>b>>c>>d; stos.pb(mp(a,b)); vector<pii>pies; pies.clear(); while (true){ for (auto it:stos){ if (!O[it.st][it.nd]){ dfs(it.st,it.nd); } } stos=stos2; bool flaga=false; for (auto it:stos){ if (it.st==c && it.nd==d){flaga=true;} bool umiemzyc=true; for (int i=0;i<4;i++){ int tox=px[i]+it.st; int toy=py[i]+it.nd; if (check(tox,toy) && !O[tox][toy]){umiemzyc=false;break;} } if (umiemzyc)xd[it.st][it.nd]=true; } for (auto it:stos){ if (xd[it.st][it.nd])pies.pb(mp(it.st,it.nd)); else O[it.st][it.nd]=false; } stos2.clear(); if (flaga)break; ans++; } for (auto it:stos)O[it.st][it.nd]=false; for (auto it:pies)O[it.st][it.nd]=false,xd[it.st][it.nd]=false; stos.clear(); stos2.clear(); cout<<ans<<"\n"; } int32_t main(){ BOOST; cin>>n>>m>>q; ustaw(n,m); for (int i=1;i<=n;i++){ for (int j=1;j<=m;j++){ cin>>s[i][j]; } } for (int z=0;z<q;z++){ solve(); } return 0; } |