#include <bits/stdc++.h>
using namespace std;
#define h 4000100
bitset<4500000> pola, odw;
vector <int> T_s[4000100];
pair <int, int> odl_p[4000100];
queue<int> q;
int y_gorny(int y_akt, int n, int m)
{
int a=y_akt-m;
if (a>=1) return a;
else return h;
}
int y_dolny(int y_akt, int n, int m)
{
int a=y_akt+m;
if (a<=m*n) return a;
else return h;
}
int x_prawy(int x_akt, int n, int m)
{
int a=x_akt+1;
if ( a<=m*n && x_akt%m!=0 ) return a;
else return h;
}
int x_lewy(int x_akt, int n, int m)
{
int a=x_akt-1;
if ( a>=1 && x_akt%m!=1 ) return a;
else return h;
}
void bfs(int v, int n, int m)
{
q.push(v); odw[v]=true;
while (!q.empty())
{
int akt_v=q.front(); q.pop();
for (int i=0;i<T_s[akt_v].size();i++)
{
int v2=T_s[akt_v][i];
if (odw[v2]) continue;
odw[v2]=true; q.push(v2);
if ( v2 == x_prawy(akt_v, n, m) || v2 == y_dolny(akt_v, n, m) )
{
odl_p[v2].second=odl_p[akt_v].second+1; odl_p[v2].first=odl_p[akt_v].first;
}
else
{
odl_p[v2].second=odl_p[akt_v].second; odl_p[v2].first=odl_p[akt_v].first+1;
}
}
}
}
int main()
{
ios_base::sync_with_stdio(0);
int n, m , k; cin>>n>>m>>k;
for (int i=0;i<n;i++)
{
string s; cin>>s;
for (int k=0;k<m;k++)
{
if ( s[k] == '.' ) pola[i*m+k+1]=true; //true to osiogalne pola
}
}
int m_n = m*n;
for (int i=1;i<=m_n;i++) //tablica somsiedztwa
{
if (pola[ y_gorny(i, n, m) ]) T_s[i].push_back(y_gorny(i, n, m));
if (pola[ y_dolny(i, n, m) ]) T_s[i].push_back(y_dolny(i, n, m));
if (pola[ x_prawy(i, n, m) ]) T_s[i].push_back(x_prawy(i, n, m));
if (pola[ x_lewy(i, n, m) ]) T_s[i].push_back(x_lewy(i, n, m));
}
bfs(m_n, n, m);
long long fastest=999999999999999999, ilu=0;
while (k--)
{
long long a, b; cin>>a>>b;
long long t_k = a*odl_p[1].first + b*odl_p[1].second;
if ( t_k < fastest )
{
ilu=1; fastest=t_k;
}
else if ( t_k == fastest ) ilu++;
}
cout<<fastest<<" "<<ilu;
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 | #include <bits/stdc++.h> using namespace std; #define h 4000100 bitset<4500000> pola, odw; vector <int> T_s[4000100]; pair <int, int> odl_p[4000100]; queue<int> q; int y_gorny(int y_akt, int n, int m) { int a=y_akt-m; if (a>=1) return a; else return h; } int y_dolny(int y_akt, int n, int m) { int a=y_akt+m; if (a<=m*n) return a; else return h; } int x_prawy(int x_akt, int n, int m) { int a=x_akt+1; if ( a<=m*n && x_akt%m!=0 ) return a; else return h; } int x_lewy(int x_akt, int n, int m) { int a=x_akt-1; if ( a>=1 && x_akt%m!=1 ) return a; else return h; } void bfs(int v, int n, int m) { q.push(v); odw[v]=true; while (!q.empty()) { int akt_v=q.front(); q.pop(); for (int i=0;i<T_s[akt_v].size();i++) { int v2=T_s[akt_v][i]; if (odw[v2]) continue; odw[v2]=true; q.push(v2); if ( v2 == x_prawy(akt_v, n, m) || v2 == y_dolny(akt_v, n, m) ) { odl_p[v2].second=odl_p[akt_v].second+1; odl_p[v2].first=odl_p[akt_v].first; } else { odl_p[v2].second=odl_p[akt_v].second; odl_p[v2].first=odl_p[akt_v].first+1; } } } } int main() { ios_base::sync_with_stdio(0); int n, m , k; cin>>n>>m>>k; for (int i=0;i<n;i++) { string s; cin>>s; for (int k=0;k<m;k++) { if ( s[k] == '.' ) pola[i*m+k+1]=true; //true to osiogalne pola } } int m_n = m*n; for (int i=1;i<=m_n;i++) //tablica somsiedztwa { if (pola[ y_gorny(i, n, m) ]) T_s[i].push_back(y_gorny(i, n, m)); if (pola[ y_dolny(i, n, m) ]) T_s[i].push_back(y_dolny(i, n, m)); if (pola[ x_prawy(i, n, m) ]) T_s[i].push_back(x_prawy(i, n, m)); if (pola[ x_lewy(i, n, m) ]) T_s[i].push_back(x_lewy(i, n, m)); } bfs(m_n, n, m); long long fastest=999999999999999999, ilu=0; while (k--) { long long a, b; cin>>a>>b; long long t_k = a*odl_p[1].first + b*odl_p[1].second; if ( t_k < fastest ) { ilu=1; fastest=t_k; } else if ( t_k == fastest ) ilu++; } cout<<fastest<<" "<<ilu; return 0; } |
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