#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int n, m, k;
int mapa[2007][2007];
ll koszt[2007][2007];
int X[] = {0, 0, 1, -1};
int Y[] = {1, -1, 0, 0};
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
string s;
cin>>n>>m>>k;
for (int i=1; i<=n; i++){
cin>>s;
for (int j=0; j<m; j++){
if (s[j]=='.')
mapa[i][j+1]=1;
}
}
queue<pair<int, int>> q;
q.push(make_pair(1,1));
while (!q.empty()){
auto t = q.front();
q.pop();
if (mapa[t.first][t.second])
{
mapa[t.first][t.second]=0;
for (int i=0; i<4; i++ ){
int x= t.first+X[i], y = t.second+Y[i];
if (koszt[x][y] == 0 ){
q.push(make_pair(x, y));
koszt[x][y] = koszt[t.first][t.second] +1;
}
}
if (t.first == n && t.second == m) break;
}
}
ll mini = INT64_MAX;
int ile=1;
ll pod = (koszt[n][m] - n - m + 2)/2;
ll a, b;
for (int i = 0; i<k; i++){
cin >> a >>b;
ll wyn = a*(koszt[n][m] - pod) + b*pod;
if (wyn < mini){
mini = wyn;
ile = 1;
} else if (wyn == mini)
ile++;
}
cout<<mini<<" "<<ile<<"\n";
}
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 | #include<bits/stdc++.h> using namespace std; using ll = long long; int n, m, k; int mapa[2007][2007]; ll koszt[2007][2007]; int X[] = {0, 0, 1, -1}; int Y[] = {1, -1, 0, 0}; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); string s; cin>>n>>m>>k; for (int i=1; i<=n; i++){ cin>>s; for (int j=0; j<m; j++){ if (s[j]=='.') mapa[i][j+1]=1; } } queue<pair<int, int>> q; q.push(make_pair(1,1)); while (!q.empty()){ auto t = q.front(); q.pop(); if (mapa[t.first][t.second]) { mapa[t.first][t.second]=0; for (int i=0; i<4; i++ ){ int x= t.first+X[i], y = t.second+Y[i]; if (koszt[x][y] == 0 ){ q.push(make_pair(x, y)); koszt[x][y] = koszt[t.first][t.second] +1; } } if (t.first == n && t.second == m) break; } } ll mini = INT64_MAX; int ile=1; ll pod = (koszt[n][m] - n - m + 2)/2; ll a, b; for (int i = 0; i<k; i++){ cin >> a >>b; ll wyn = a*(koszt[n][m] - pod) + b*pod; if (wyn < mini){ mini = wyn; ile = 1; } else if (wyn == mini) ile++; } cout<<mini<<" "<<ile<<"\n"; } |
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