#include <cstdio>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <array>
#include <random>
#include <cmath>
#include <list>
#include <ctime>
#include <sstream>
#include <queue>
#include <climits>
#include <stack>
#include <random>
#include <bitset>
#include <numeric>
#include <cassert>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef long long ll;
#define rep(x, b, e) for(int x=(b); x<(e); ++x)
#define trav(a, x) for(auto& a : x)
#define ford(x, b, e) for(int x=((int)(b))-1; x>=(e); --x)
#define all(c) c.begin(),c.end()
#define sz(x) ((int)((x).size()))
#define pb push_back
#define st first
#define nd second
#define mp(x,y) make_pair(x,y)
typedef short int sint;
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
const int N = 2020;
char t[N][N];
int dx[]={1,-1,0,0};
int dy[]={0,0,-1,1};
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
int n, m, k;
scanf("%d %d %d", &n, &m, &k);
rep(i, 0, n) {
scanf("%s", t[i]);
}
queue<pii> q;
vector<vi> d(n, vi(m, INT_MAX));
q.push({0, 0});
d[0][0] = 0;
auto ok = [&](int x, int y) {
return x>=0 && x < n && y >= 0 && y < m;
};
while (!q.empty()) {
auto c = q.front(); q.pop();
rep(i, 0, 4) {
int nx = c.st + dx[i], ny = c.nd + dy[i];
if (ok(nx, ny) && t[nx][ny] == '.' && d[nx][ny] == INT_MAX) {
d[nx][ny] = d[c.st][c.nd] + 1;
q.push({nx, ny});
}
}
}
int c = d[n - 1][m - 1];
int ra = (n + m - 2 + c) / 2;
int rb = c - ra;
ll fast = LLONG_MAX;
int ile = 0;
rep(i, 0, k) {
ll a, b;
scanf("%lld %lld", &a, &b);
ll czas = a * ra + b * rb;
if (czas < fast) {
ile = 1;
fast = czas;
} else if (czas == fast) {
++ile;
}
}
printf("%lld %d\n", fast, ile);
}
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 | #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> #include <vector> #include <set> #include <map> #include <array> #include <random> #include <cmath> #include <list> #include <ctime> #include <sstream> #include <queue> #include <climits> #include <stack> #include <random> #include <bitset> #include <numeric> #include <cassert> using namespace std; typedef vector<int> vi; typedef pair<int,int> pii; typedef long long ll; #define rep(x, b, e) for(int x=(b); x<(e); ++x) #define trav(a, x) for(auto& a : x) #define ford(x, b, e) for(int x=((int)(b))-1; x>=(e); --x) #define all(c) c.begin(),c.end() #define sz(x) ((int)((x).size())) #define pb push_back #define st first #define nd second #define mp(x,y) make_pair(x,y) typedef short int sint; #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " const int N = 2020; char t[N][N]; int dx[]={1,-1,0,0}; int dy[]={0,0,-1,1}; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m, k; scanf("%d %d %d", &n, &m, &k); rep(i, 0, n) { scanf("%s", t[i]); } queue<pii> q; vector<vi> d(n, vi(m, INT_MAX)); q.push({0, 0}); d[0][0] = 0; auto ok = [&](int x, int y) { return x>=0 && x < n && y >= 0 && y < m; }; while (!q.empty()) { auto c = q.front(); q.pop(); rep(i, 0, 4) { int nx = c.st + dx[i], ny = c.nd + dy[i]; if (ok(nx, ny) && t[nx][ny] == '.' && d[nx][ny] == INT_MAX) { d[nx][ny] = d[c.st][c.nd] + 1; q.push({nx, ny}); } } } int c = d[n - 1][m - 1]; int ra = (n + m - 2 + c) / 2; int rb = c - ra; ll fast = LLONG_MAX; int ile = 0; rep(i, 0, k) { ll a, b; scanf("%lld %lld", &a, &b); ll czas = a * ra + b * rb; if (czas < fast) { ile = 1; fast = czas; } else if (czas == fast) { ++ile; } } printf("%lld %d\n", fast, ile); } |
English