#include <bits/stdc++.h>
using namespace std;
char dane[2002][2002];
int ta[2002][2002],tb[2002][2002],vis[2002][2002];
void bfs(unsigned int i,unsigned int j)
{
vis[i][j]=1;
queue<int> kolx,koly;
kolx.push(i);
koly.push(j);
while(!kolx.empty())
{
unsigned int i=kolx.front(); kolx.pop();
unsigned int j=koly.front(); koly.pop();
if(dane[i-1][j]=='.' && vis[i-1][j]==0)
{
vis[i-1][j]=1;
kolx.push(i-1);
koly.push(j);
tb[i-1][j] = tb[i][j]+1;
ta[i-1][j] = ta[i][j];
}
if(dane[i+1][j]=='.' && vis[i+1][j]==0)
{
vis[i+1][j]=1;
kolx.push(i+1);
koly.push(j);
tb[i+1][j] = tb[i][j];
ta[i+1][j] = ta[i][j] + 1;
}
if(dane[i][j-1]=='.' && vis[i][j-1]==0)
{
vis[i][j-1]=1;
kolx.push(i);
koly.push(j-1);
tb[i][j-1] = tb[i][j]+1;
ta[i][j-1] = ta[i][j];
}
if(dane[i][j+1]=='.' && vis[i][j+1]==0)
{
vis[i][j+1]=1;
kolx.push(i);
koly.push(j+1);
tb[i][j+1] = tb[i][j];
ta[i][j+1] = ta[i][j] +1;
}
}
}
int main() {
ios_base::sync_with_stdio(0);
int n, m ,k, i, j,ilosc = 1;
long long czas, mini , a, b;
cin >> n >> m >> k;
for(i = 0;i <= n+ 1; i++) dane[i][0] = dane[i][m+1] = 'X';
for(j = 0;j <= m + 1; j++) dane[0][j] = dane[n+1][j] = 'X';
for(i = 1; i <= n; i++)
for(j = 1; j <= m; j++ )cin >> dane[i][j];
bfs(1,1);
cin >> a >> b;
mini = ta[n][m] * a + tb[n][m] * b;
k--;
while(k--){
cin >> a >> b;
czas = ta[n][m] * a + tb[n][m] * b;
//cout << czas << endl;
if(czas < mini) {
mini = czas;
ilosc = 1;
}
else if (czas == mini) ilosc++;
}
cout << mini <<" "<<ilosc << endl;
/*
for(i = 0; i <= n+1; i++) {
for(j = 0; j <= m+1; j++ ) cout << dane[i][j]<<" "; cout << endl;
}
for(i = 0; i <= n+1; i++) {
for(j = 0; j <= m+1; j++ ) cout << ta[i][j]<<" "; cout << endl;
}
for(i = 0; i <= n+1; i++) {
for(j = 0; j <= m+1; j++ ) cout << tb[i][j]<<" "; cout << endl;
}
*/
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 | #include <bits/stdc++.h> using namespace std; char dane[2002][2002]; int ta[2002][2002],tb[2002][2002],vis[2002][2002]; void bfs(unsigned int i,unsigned int j) { vis[i][j]=1; queue<int> kolx,koly; kolx.push(i); koly.push(j); while(!kolx.empty()) { unsigned int i=kolx.front(); kolx.pop(); unsigned int j=koly.front(); koly.pop(); if(dane[i-1][j]=='.' && vis[i-1][j]==0) { vis[i-1][j]=1; kolx.push(i-1); koly.push(j); tb[i-1][j] = tb[i][j]+1; ta[i-1][j] = ta[i][j]; } if(dane[i+1][j]=='.' && vis[i+1][j]==0) { vis[i+1][j]=1; kolx.push(i+1); koly.push(j); tb[i+1][j] = tb[i][j]; ta[i+1][j] = ta[i][j] + 1; } if(dane[i][j-1]=='.' && vis[i][j-1]==0) { vis[i][j-1]=1; kolx.push(i); koly.push(j-1); tb[i][j-1] = tb[i][j]+1; ta[i][j-1] = ta[i][j]; } if(dane[i][j+1]=='.' && vis[i][j+1]==0) { vis[i][j+1]=1; kolx.push(i); koly.push(j+1); tb[i][j+1] = tb[i][j]; ta[i][j+1] = ta[i][j] +1; } } } int main() { ios_base::sync_with_stdio(0); int n, m ,k, i, j,ilosc = 1; long long czas, mini , a, b; cin >> n >> m >> k; for(i = 0;i <= n+ 1; i++) dane[i][0] = dane[i][m+1] = 'X'; for(j = 0;j <= m + 1; j++) dane[0][j] = dane[n+1][j] = 'X'; for(i = 1; i <= n; i++) for(j = 1; j <= m; j++ )cin >> dane[i][j]; bfs(1,1); cin >> a >> b; mini = ta[n][m] * a + tb[n][m] * b; k--; while(k--){ cin >> a >> b; czas = ta[n][m] * a + tb[n][m] * b; //cout << czas << endl; if(czas < mini) { mini = czas; ilosc = 1; } else if (czas == mini) ilosc++; } cout << mini <<" "<<ilosc << endl; /* for(i = 0; i <= n+1; i++) { for(j = 0; j <= m+1; j++ ) cout << dane[i][j]<<" "; cout << endl; } for(i = 0; i <= n+1; i++) { for(j = 0; j <= m+1; j++ ) cout << ta[i][j]<<" "; cout << endl; } for(i = 0; i <= n+1; i++) { for(j = 0; j <= m+1; j++ ) cout << tb[i][j]<<" "; cout << endl; } */ return 0; } |
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