#include <stdio.h>
#include <queue>
using namespace std;
struct Map
{
int down, up;
bool free, visited;
Map()
{
down = 0;
up = 0;
visited = false;
}
};
int main()
{
char line[2001];
int n, m, k;
scanf("%d %d %d", &n, &m, &k);
Map** map = new Map * [n];
for (int i = 0; i < n; i++)
{
map[i] = new Map[m];
scanf("%s", line);
for (int j = 0; j < m; j++)
{
map[i][j].visited = false;
map[i][j].free = line[j] == '.';
}
}
map[0][0].visited = true;
queue<int> qi, qj;
qi.push(0); qj.push(0);
while (!qi.empty())
{
int i = qi.front();
int j = qj.front();
qi.pop();
qj.pop();
if (i > 0 && map[i - 1][j].free && !map[i - 1][j].visited)
{
map[i - 1][j].visited = true;
map[i - 1][j].down = map[i][j].down + 1;
map[i - 1][j].up = map[i][j].up;
qi.push(i - 1);
qj.push(j);
}
if (j > 0 && map[i][j - 1].free && !map[i][j - 1].visited)
{
map[i][j - 1].visited = true;
map[i][j - 1].down = map[i][j].down + 1;
map[i][j - 1].up = map[i][j].up;
qi.push(i);
qj.push(j - 1);
}
if (i < n - 1 && map[i + 1][j].free && !map[i + 1][j].visited)
{
map[i + 1][j].visited = true;
map[i + 1][j].down = map[i][j].down;
map[i + 1][j].up = map[i][j].up + 1;
qi.push(i + 1);
qj.push(j);
}
if (j < m - 1 && map[i][j + 1].free && !map[i][j + 1].visited)
{
map[i][j + 1].visited = true;
map[i][j + 1].down = map[i][j].down;
map[i][j + 1].up = map[i][j].up + 1;
qi.push(i);
qj.push(j + 1);
}
}
long long sum = 1000000000000000000LL, count = 0, a, b;
Map last = map[n - 1][m - 1];
for (int i = 0; i < k; i++)
{
scanf("%lld %lld", &a, &b);
long long c = a * last.up + b * last.down;
if (sum > c)
{
sum = c;
count = 0;
}
if (sum == c)
{
count++;
}
}
printf("%lld %lld", sum, count);
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 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | #include <stdio.h> #include <queue> using namespace std; struct Map { int down, up; bool free, visited; Map() { down = 0; up = 0; visited = false; } }; int main() { char line[2001]; int n, m, k; scanf("%d %d %d", &n, &m, &k); Map** map = new Map * [n]; for (int i = 0; i < n; i++) { map[i] = new Map[m]; scanf("%s", line); for (int j = 0; j < m; j++) { map[i][j].visited = false; map[i][j].free = line[j] == '.'; } } map[0][0].visited = true; queue<int> qi, qj; qi.push(0); qj.push(0); while (!qi.empty()) { int i = qi.front(); int j = qj.front(); qi.pop(); qj.pop(); if (i > 0 && map[i - 1][j].free && !map[i - 1][j].visited) { map[i - 1][j].visited = true; map[i - 1][j].down = map[i][j].down + 1; map[i - 1][j].up = map[i][j].up; qi.push(i - 1); qj.push(j); } if (j > 0 && map[i][j - 1].free && !map[i][j - 1].visited) { map[i][j - 1].visited = true; map[i][j - 1].down = map[i][j].down + 1; map[i][j - 1].up = map[i][j].up; qi.push(i); qj.push(j - 1); } if (i < n - 1 && map[i + 1][j].free && !map[i + 1][j].visited) { map[i + 1][j].visited = true; map[i + 1][j].down = map[i][j].down; map[i + 1][j].up = map[i][j].up + 1; qi.push(i + 1); qj.push(j); } if (j < m - 1 && map[i][j + 1].free && !map[i][j + 1].visited) { map[i][j + 1].visited = true; map[i][j + 1].down = map[i][j].down; map[i][j + 1].up = map[i][j].up + 1; qi.push(i); qj.push(j + 1); } } long long sum = 1000000000000000000LL, count = 0, a, b; Map last = map[n - 1][m - 1]; for (int i = 0; i < k; i++) { scanf("%lld %lld", &a, &b); long long c = a * last.up + b * last.down; if (sum > c) { sum = c; count = 0; } if (sum == c) { count++; } } printf("%lld %lld", sum, count); return 0; } |
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