#include <bits/stdc++.h> using namespace std; void imax(int &a, int b){ a=max(a, b); } void imin(int &a, int b){ a=min(a, b); } void lmax(long long &a, long long b){ a=max(a, b); } void lmin(long long &a, long long b){ a=min(a, b); } /* WARNING: I'm using strange bracket style! */ #define penta pair <int, pair <pair <int, int>, pair <int, int> > > #define tt first #define aa second.first.first #define bb second.first.second #define cc second.second.first #define dd second.second.second #define xx first #define yy second const int SIZE=15100; const int LCM=840; const int LOG=16; vector <pair <int, int> > blocks[LCM]; int n, m, q, Lcm, a, b, c, d, t; bool blocked[SIZE][LCM][2]; int p[SIZE][LCM+10][LOG]; vector <string> S[SIZE]; vector <penta> Q; int ans[SIZE*80]; string s; int jumpUpClassic(int x, int y, int time){ int d=y-x, newX, newTime; for (int i=0; i<LOG; i++) if (d&(1<<i)) newX=x+(1<<i), newTime=time+p[x][time%Lcm][i], x=newX, time=newTime; return time; } int jumpUpReverse(int x, int y, int time){ int d=y-x, newY, newTime; for (int i=0; i<LOG; i++) if (d&(1<<i)) newY=y-(1<<i), newTime=time+p[y][time%Lcm][i], y=newY, time=newTime; return time; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>n>>m>>q, Lcm=1; for (int i=1; i<=n; i++) { S[i].push_back(""); for (int j=1; j<=m; j++) cin>>s, S[i].push_back(s), Lcm=Lcm*s.size()/__gcd((int)s.size(), Lcm); } for (int i=1; i<=q; i++) cin>>t>>a>>b>>c>>d, Q.push_back({t, {{a, b}, {c, d}}}), ans[i-1]=t; for (int time=0; time<Lcm; time++) for (int i=1; i<=n; i++) { bool B=true; for (int j=1; j<=m; j++) B&=(S[i][j][time%S[i][j].size()]=='1'); if (B) blocks[time].push_back({i, 1}); } for (int time=0; time<Lcm; time++) for (int j=1; j<=m; j++) { bool B=true; for (int i=1; i<=n; i++) B&=(S[i][j][time%S[i][j].size()]=='0'); if (B) blocks[time].push_back({j, 0}); } for (int i=0; i<Lcm; i++) for (auto j: blocks[i]) blocked[j.xx][i][j.yy]=1; for (int time=0; time<Lcm; time++) for (int i=0; i<n; i++) { int t=0; while (blocked[i+1][(time+t)%Lcm][1]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=0; i<n; i++) for (int time=0; time<Lcm; time++) if (i+(1<<(j-1))<=n) p[i][time][j]=p[i][time][j-1]+p[i+(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].aa<=Q[i].cc) imax(ans[i], jumpUpClassic(Q[i].aa, Q[i].cc, Q[i].tt)); for (int time=0; time<Lcm; time++) for (int i=0; i<m; i++) { int t=0; while (blocked[i+1][(time+t)%Lcm][0]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=0; i<m; i++) for (int time=0; time<Lcm; time++) if (i+(1<<(j-1))<=m) p[i][time][j]=p[i][time][j-1]+p[i+(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].bb<=Q[i].dd) imax(ans[i], jumpUpClassic(Q[i].bb, Q[i].dd, Q[i].tt)); for (int time=0; time<Lcm; time++) for (int i=n; i>0; i--) { int t=0; while (blocked[i][(time+t)%Lcm][1]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=n; i>0; i--) for (int time=0; time<Lcm; time++) if (i-(1<<(j-1))>=0) p[i][time][j]=p[i][time][j-1]+p[i-(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].aa>=Q[i].cc) imax(ans[i], jumpUpReverse(Q[i].cc, Q[i].aa, Q[i].tt)); for (int time=0; time<Lcm; time++) for (int i=m; i>0; i--) { int t=0; while (blocked[i][(time+t)%Lcm][0]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=m; i>0; i--) for (int time=0; time<Lcm; time++) if (i-(1<<(j-1))>=0) p[i][time][j]=p[i][time][j-1]+p[i-(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].bb>=Q[i].dd) imax(ans[i], jumpUpReverse(Q[i].dd, Q[i].bb, Q[i].tt)); for (int i=0; i<q; i++) cout<<ans[i]<<"\n"; 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | #include <bits/stdc++.h> using namespace std; void imax(int &a, int b){ a=max(a, b); } void imin(int &a, int b){ a=min(a, b); } void lmax(long long &a, long long b){ a=max(a, b); } void lmin(long long &a, long long b){ a=min(a, b); } /* WARNING: I'm using strange bracket style! */ #define penta pair <int, pair <pair <int, int>, pair <int, int> > > #define tt first #define aa second.first.first #define bb second.first.second #define cc second.second.first #define dd second.second.second #define xx first #define yy second const int SIZE=15100; const int LCM=840; const int LOG=16; vector <pair <int, int> > blocks[LCM]; int n, m, q, Lcm, a, b, c, d, t; bool blocked[SIZE][LCM][2]; int p[SIZE][LCM+10][LOG]; vector <string> S[SIZE]; vector <penta> Q; int ans[SIZE*80]; string s; int jumpUpClassic(int x, int y, int time){ int d=y-x, newX, newTime; for (int i=0; i<LOG; i++) if (d&(1<<i)) newX=x+(1<<i), newTime=time+p[x][time%Lcm][i], x=newX, time=newTime; return time; } int jumpUpReverse(int x, int y, int time){ int d=y-x, newY, newTime; for (int i=0; i<LOG; i++) if (d&(1<<i)) newY=y-(1<<i), newTime=time+p[y][time%Lcm][i], y=newY, time=newTime; return time; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>n>>m>>q, Lcm=1; for (int i=1; i<=n; i++) { S[i].push_back(""); for (int j=1; j<=m; j++) cin>>s, S[i].push_back(s), Lcm=Lcm*s.size()/__gcd((int)s.size(), Lcm); } for (int i=1; i<=q; i++) cin>>t>>a>>b>>c>>d, Q.push_back({t, {{a, b}, {c, d}}}), ans[i-1]=t; for (int time=0; time<Lcm; time++) for (int i=1; i<=n; i++) { bool B=true; for (int j=1; j<=m; j++) B&=(S[i][j][time%S[i][j].size()]=='1'); if (B) blocks[time].push_back({i, 1}); } for (int time=0; time<Lcm; time++) for (int j=1; j<=m; j++) { bool B=true; for (int i=1; i<=n; i++) B&=(S[i][j][time%S[i][j].size()]=='0'); if (B) blocks[time].push_back({j, 0}); } for (int i=0; i<Lcm; i++) for (auto j: blocks[i]) blocked[j.xx][i][j.yy]=1; for (int time=0; time<Lcm; time++) for (int i=0; i<n; i++) { int t=0; while (blocked[i+1][(time+t)%Lcm][1]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=0; i<n; i++) for (int time=0; time<Lcm; time++) if (i+(1<<(j-1))<=n) p[i][time][j]=p[i][time][j-1]+p[i+(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].aa<=Q[i].cc) imax(ans[i], jumpUpClassic(Q[i].aa, Q[i].cc, Q[i].tt)); for (int time=0; time<Lcm; time++) for (int i=0; i<m; i++) { int t=0; while (blocked[i+1][(time+t)%Lcm][0]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=0; i<m; i++) for (int time=0; time<Lcm; time++) if (i+(1<<(j-1))<=m) p[i][time][j]=p[i][time][j-1]+p[i+(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].bb<=Q[i].dd) imax(ans[i], jumpUpClassic(Q[i].bb, Q[i].dd, Q[i].tt)); for (int time=0; time<Lcm; time++) for (int i=n; i>0; i--) { int t=0; while (blocked[i][(time+t)%Lcm][1]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=n; i>0; i--) for (int time=0; time<Lcm; time++) if (i-(1<<(j-1))>=0) p[i][time][j]=p[i][time][j-1]+p[i-(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].aa>=Q[i].cc) imax(ans[i], jumpUpReverse(Q[i].cc, Q[i].aa, Q[i].tt)); for (int time=0; time<Lcm; time++) for (int i=m; i>0; i--) { int t=0; while (blocked[i][(time+t)%Lcm][0]) (t++); p[i][time][0]=t; } for (int j=1; j<LOG; j++) for (int i=m; i>0; i--) for (int time=0; time<Lcm; time++) if (i-(1<<(j-1))>=0) p[i][time][j]=p[i][time][j-1]+p[i-(1<<(j-1))][(time+p[i][time][j-1])%Lcm][j-1]; for (int i=0; i<q; i++) if (Q[i].bb>=Q[i].dd) imax(ans[i], jumpUpReverse(Q[i].dd, Q[i].bb, Q[i].tt)); for (int i=0; i<q; i++) cout<<ans[i]<<"\n"; return 0; } |