#include <bits/stdc++.h>
#define int long long
using namespace std;
const int INF = 1000LL * 1000 * 1000 * 1000 * 1000 * 1000;
void BFS(vector<vector<int>> &gora, vector<vector<int>> &dol,
const vector<vector<bool>> &moszna, int n, int m) {
queue<pair<int, int>> q;
vector<vector<bool>> vis(n, vector<bool>(m));
q.push({0, 0});
gora[0][0] = 0;
dol[0][0] = 0;
vis[0][0] = 1;
while (!q.empty()) {
auto &p = q.front();
q.pop();
int x = p.first;
int y = p.second;
vector<pair<int, int>> nei = {
{x, y - 1}, {x, y + 1}, {x - 1, y}, {x + 1, y}};
for (const auto &p : nei) {
int new_x = p.first;
int new_y = p.second;
if (0 <= new_x && new_x < n && 0 <= new_y && new_y < m &&
moszna[new_x][new_y] && !vis[new_x][new_y]) {
vis[new_x][new_y] = true;
q.push(p);
if (new_x > x || new_y > y) {
gora[new_x][new_y] = gora[x][y] + 1;
dol[new_x][new_y] = dol[x][y];
} else {
gora[new_x][new_y] = gora[x][y];
dol[new_x][new_y] = dol[x][y] + 1;
}
}
}
}
}
signed main() {
int n, m, k;
cin >> n >> m >> k;
vector<vector<bool>> mapa(n, vector<bool>(m));
vector<vector<int>> odl1(n, vector<int>(m));
vector<vector<int>> odl2(n, vector<int>(m));
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
char x;
cin >> x;
mapa[i][j] = (x == '.');
odl1[i][j] = INF;
odl2[i][j] = INF;
}
}
BFS(odl1, odl2, mapa, n, m);
int best_ziomki = 0;
int best_res = INF;
for (int i = 0; i < k; i++) {
int a, b;
cin >> a >> b;
if (odl1[n - 1][m - 1] * a + odl2[n - 1][m - 1] * b < best_res) {
best_res = odl1[n - 1][m - 1] * a + odl2[n - 1][m - 1] * b;
best_ziomki = 1;
} else if (odl1[n - 1][m - 1] * a + odl2[n - 1][m - 1] * b == best_res) {
best_ziomki++;
}
}
cout << best_res << " " << best_ziomki << 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 | #include <bits/stdc++.h> #define int long long using namespace std; const int INF = 1000LL * 1000 * 1000 * 1000 * 1000 * 1000; void BFS(vector<vector<int>> &gora, vector<vector<int>> &dol, const vector<vector<bool>> &moszna, int n, int m) { queue<pair<int, int>> q; vector<vector<bool>> vis(n, vector<bool>(m)); q.push({0, 0}); gora[0][0] = 0; dol[0][0] = 0; vis[0][0] = 1; while (!q.empty()) { auto &p = q.front(); q.pop(); int x = p.first; int y = p.second; vector<pair<int, int>> nei = { {x, y - 1}, {x, y + 1}, {x - 1, y}, {x + 1, y}}; for (const auto &p : nei) { int new_x = p.first; int new_y = p.second; if (0 <= new_x && new_x < n && 0 <= new_y && new_y < m && moszna[new_x][new_y] && !vis[new_x][new_y]) { vis[new_x][new_y] = true; q.push(p); if (new_x > x || new_y > y) { gora[new_x][new_y] = gora[x][y] + 1; dol[new_x][new_y] = dol[x][y]; } else { gora[new_x][new_y] = gora[x][y]; dol[new_x][new_y] = dol[x][y] + 1; } } } } } signed main() { int n, m, k; cin >> n >> m >> k; vector<vector<bool>> mapa(n, vector<bool>(m)); vector<vector<int>> odl1(n, vector<int>(m)); vector<vector<int>> odl2(n, vector<int>(m)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { char x; cin >> x; mapa[i][j] = (x == '.'); odl1[i][j] = INF; odl2[i][j] = INF; } } BFS(odl1, odl2, mapa, n, m); int best_ziomki = 0; int best_res = INF; for (int i = 0; i < k; i++) { int a, b; cin >> a >> b; if (odl1[n - 1][m - 1] * a + odl2[n - 1][m - 1] * b < best_res) { best_res = odl1[n - 1][m - 1] * a + odl2[n - 1][m - 1] * b; best_ziomki = 1; } else if (odl1[n - 1][m - 1] * a + odl2[n - 1][m - 1] * b == best_res) { best_ziomki++; } } cout << best_res << " " << best_ziomki << endl; return 0; } |
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