#include <bits/stdc++.h>
#define nd second
#define mk std::make_pair
#define st first
#define ll long long
const int MAX_N = 2000;
const int inf = 1e9;
ll n, m, k;
char t[MAX_N+3][MAX_N+3];
int d[MAX_N+3][MAX_N+3];
void input() {
std::cin >> n >> m >> k;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
std::cin >> t[i][j];
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
d[i][j] = inf;
}
int dx[4] = { -1, 0, 1, 0 };
int dy[4] = { 0, 1, 0, -1};
void bfs() {
d[1][1] = 0;
std::queue<std::pair<int, int> > q;
q.push(mk(1, 1));
while (!q.empty()) {
int x = q.front().st;
int y = q.front().nd;
q.pop();
for (int l = 0; l < 4; l++) {
int xx = x + dx[l];
int yy = y + dy[l];
if (xx >= 1 && xx <= n && yy >= 1 && yy <= m && d[xx][yy] == inf && t[xx][yy] == '.') {
d[xx][yy] = d[x][y] + 1;
q.push(mk(xx, yy));
}
}
}
}
int main() {
std::ios_base::sync_with_stdio(0); std::cin.tie(NULL);
input();
bfs();
ll L = d[n][m];
ll dol = (L - (n+m-2)) / 2;
ll gora = L - dol;
ll min = LLONG_MAX;
int cnt = 0;
for (int i = 1; i <= k; i++) {
ll a, b;
std::cin >> a >> b;
ll wyn = gora * a + dol * b;
if (wyn < min) {
min = wyn;
cnt = 1;
} else if (wyn == min)
cnt++;
}
std::cout << min << " " << cnt << "\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 64 65 66 67 68 69 | #include <bits/stdc++.h> #define nd second #define mk std::make_pair #define st first #define ll long long const int MAX_N = 2000; const int inf = 1e9; ll n, m, k; char t[MAX_N+3][MAX_N+3]; int d[MAX_N+3][MAX_N+3]; void input() { std::cin >> n >> m >> k; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) std::cin >> t[i][j]; for (int i = 1; i <= n; i++) for (int j = 1; j <= m; j++) d[i][j] = inf; } int dx[4] = { -1, 0, 1, 0 }; int dy[4] = { 0, 1, 0, -1}; void bfs() { d[1][1] = 0; std::queue<std::pair<int, int> > q; q.push(mk(1, 1)); while (!q.empty()) { int x = q.front().st; int y = q.front().nd; q.pop(); for (int l = 0; l < 4; l++) { int xx = x + dx[l]; int yy = y + dy[l]; if (xx >= 1 && xx <= n && yy >= 1 && yy <= m && d[xx][yy] == inf && t[xx][yy] == '.') { d[xx][yy] = d[x][y] + 1; q.push(mk(xx, yy)); } } } } int main() { std::ios_base::sync_with_stdio(0); std::cin.tie(NULL); input(); bfs(); ll L = d[n][m]; ll dol = (L - (n+m-2)) / 2; ll gora = L - dol; ll min = LLONG_MAX; int cnt = 0; for (int i = 1; i <= k; i++) { ll a, b; std::cin >> a >> b; ll wyn = gora * a + dol * b; if (wyn < min) { min = wyn; cnt = 1; } else if (wyn == min) cnt++; } std::cout << min << " " << cnt << "\n"; } |
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