#include <bits/stdc++.h>
#define FOR(i, b, e) for (int i = (b); i <= (e); i++)
#define FORD(i, b, e) for (int i = (e); i >= (b); i--)
#define MP make_pair
#define FS first
#define ND second
#define PB push_back
#define ALL(x) x.begin(), x.end()
using namespace std;
using LL = long long;
using PII = pair<int,int>;
using PLL = pair<LL,LL>;
using VI = vector<int>;
using VLL = vector<LL>;
template<class T>
using V = vector<T>;
template<class T>
int sz(const T& a) { return (int)a.size(); }
template<class T>
void amin(T& a, T b) { a = min(a, b); }
template<class T>
void amax(T& a, T b) { a = max(a, b); }
const int inf = 1e9;
const LL infl = 1e18;
const PII dirs[] = { MP(-1, 0), MP(1, 0), MP(0, -1), MP(0, 1) };
int n, m, k;
char s[2001][2002];
int dist[2001][2001];
queue<PII> q;
LL best = infl;
int cnt = 0;
int main()
{
scanf("%d %d %d", &n, &m, &k);
FOR(i, 1, n) scanf("%s", &s[i][1]);
q.push(MP(1, 1));
s[1][1] = 'V';
while (sz(q)) {
auto [x, y] = q.front();
q.pop();
for (auto [dx, dy] : dirs) {
int x1 = x + dx;
int y1 = y + dy;
if (1 <= x1 && x1 <= n && 1 <= y1 && y1 <= m && s[x1][y1] == '.') {
dist[x1][y1] = dist[x][y] + 1;
s[x1][y1] = 'V';
q.push(MP(x1, y1));
}
}
}
int x = n + m - 2 + (dist[n][m] - (n + m - 2)) / 2;
int y = (dist[n][m] - (n + m - 2)) / 2;
FOR(i, 1, k) {
LL a, b;
scanf("%lld %lld", &a, &b);
LL score = a * x + b * y;
if (score < best) {
best = score;
cnt = 1;
}
else if (score == best) cnt++;
}
printf("%lld %d\n", best, cnt);
}
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 | #include <bits/stdc++.h> #define FOR(i, b, e) for (int i = (b); i <= (e); i++) #define FORD(i, b, e) for (int i = (e); i >= (b); i--) #define MP make_pair #define FS first #define ND second #define PB push_back #define ALL(x) x.begin(), x.end() using namespace std; using LL = long long; using PII = pair<int,int>; using PLL = pair<LL,LL>; using VI = vector<int>; using VLL = vector<LL>; template<class T> using V = vector<T>; template<class T> int sz(const T& a) { return (int)a.size(); } template<class T> void amin(T& a, T b) { a = min(a, b); } template<class T> void amax(T& a, T b) { a = max(a, b); } const int inf = 1e9; const LL infl = 1e18; const PII dirs[] = { MP(-1, 0), MP(1, 0), MP(0, -1), MP(0, 1) }; int n, m, k; char s[2001][2002]; int dist[2001][2001]; queue<PII> q; LL best = infl; int cnt = 0; int main() { scanf("%d %d %d", &n, &m, &k); FOR(i, 1, n) scanf("%s", &s[i][1]); q.push(MP(1, 1)); s[1][1] = 'V'; while (sz(q)) { auto [x, y] = q.front(); q.pop(); for (auto [dx, dy] : dirs) { int x1 = x + dx; int y1 = y + dy; if (1 <= x1 && x1 <= n && 1 <= y1 && y1 <= m && s[x1][y1] == '.') { dist[x1][y1] = dist[x][y] + 1; s[x1][y1] = 'V'; q.push(MP(x1, y1)); } } } int x = n + m - 2 + (dist[n][m] - (n + m - 2)) / 2; int y = (dist[n][m] - (n + m - 2)) / 2; FOR(i, 1, k) { LL a, b; scanf("%lld %lld", &a, &b); LL score = a * x + b * y; if (score < best) { best = score; cnt = 1; } else if (score == best) cnt++; } printf("%lld %d\n", best, cnt); } |
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