#include <iostream>
#include <vector>
#include <queue>
#include <utility>
void process(const std::vector<std::vector<char>>& graph, std::vector<std::vector<long long>>& visited, long long x, long long y, long long current, std::queue<std::pair<long long, long long>>& q)
{
if (graph[x][y] == 'X')
return;
if (visited[x][y] != -1)
return;
visited[x][y] = current;
q.push({ x,y });
}
void bfs(const std::vector<std::vector<char>>& graph, std::vector<std::vector<long long>>& visited)
{
visited[1][1] = 0;
std::queue<std::pair<long long, long long>> q;
q.push({ 1, 1 });
while (!q.empty())
{
std::pair<long long, long long> p;
p = q.front();
q.pop();
process(graph, visited, p.first + 1, p.second, visited[p.first][p.second] + 1, q);
process(graph, visited, p.first - 1, p.second, visited[p.first][p.second] + 1, q);
process(graph, visited, p.first, p.second + 1, visited[p.first][p.second] + 1, q);
process(graph, visited, p.first, p.second - 1, visited[p.first][p.second] + 1, q);
}
}
int main()
{
std::ios_base::sync_with_stdio(false); std::cin.tie(0); std::cout.tie(0);
long long n, m, k;
std::cin >> n >> m >> k;
n += 2;
m += 2;
std::vector<std::vector<char>> labirynth(n);
std::vector<std::vector<long long>> visited(n);
for (long long i = 0; i < n; ++i)
{
labirynth[i].resize(m);
visited[i].resize(m);
for (long long j = 0; j < m; ++j)
{
visited[i][j] = -1;
if (i == 0 || j == 0 || i == n - 1 || j == m - 1)
labirynth[i][j] = 'X';
else
std::cin >> labirynth[i][j];
}
}
bfs(labirynth, visited);
long long min = 0;
long long counter = 0;
for (long long i = 0; i < k; ++i)
{
long long a, b;
std::cin >> a >> b;
long long t = (n + m - 6) * a + (visited[n - 2][m - 2] - n - m + 6) * (a + b) / 2;
if (i == 0)
{
min = t;
counter = 1;
}
else
{
if (t == min)
++counter;
if (t < min)
{
min = t;
counter = 1;
}
}
}
std::cout << min << " " << counter << std::endl;
}
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 | #include <iostream> #include <vector> #include <queue> #include <utility> void process(const std::vector<std::vector<char>>& graph, std::vector<std::vector<long long>>& visited, long long x, long long y, long long current, std::queue<std::pair<long long, long long>>& q) { if (graph[x][y] == 'X') return; if (visited[x][y] != -1) return; visited[x][y] = current; q.push({ x,y }); } void bfs(const std::vector<std::vector<char>>& graph, std::vector<std::vector<long long>>& visited) { visited[1][1] = 0; std::queue<std::pair<long long, long long>> q; q.push({ 1, 1 }); while (!q.empty()) { std::pair<long long, long long> p; p = q.front(); q.pop(); process(graph, visited, p.first + 1, p.second, visited[p.first][p.second] + 1, q); process(graph, visited, p.first - 1, p.second, visited[p.first][p.second] + 1, q); process(graph, visited, p.first, p.second + 1, visited[p.first][p.second] + 1, q); process(graph, visited, p.first, p.second - 1, visited[p.first][p.second] + 1, q); } } int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(0); std::cout.tie(0); long long n, m, k; std::cin >> n >> m >> k; n += 2; m += 2; std::vector<std::vector<char>> labirynth(n); std::vector<std::vector<long long>> visited(n); for (long long i = 0; i < n; ++i) { labirynth[i].resize(m); visited[i].resize(m); for (long long j = 0; j < m; ++j) { visited[i][j] = -1; if (i == 0 || j == 0 || i == n - 1 || j == m - 1) labirynth[i][j] = 'X'; else std::cin >> labirynth[i][j]; } } bfs(labirynth, visited); long long min = 0; long long counter = 0; for (long long i = 0; i < k; ++i) { long long a, b; std::cin >> a >> b; long long t = (n + m - 6) * a + (visited[n - 2][m - 2] - n - m + 6) * (a + b) / 2; if (i == 0) { min = t; counter = 1; } else { if (t == min) ++counter; if (t < min) { min = t; counter = 1; } } } std::cout << min << " " << counter << std::endl; } |
English