#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int maxn = 2005;
int n, m;
char in[maxn][maxn];
bool vis[maxn][maxn];
int dx[4] = {1, -1, 0, 0};
int dy[4] = {0, 0, 1, -1};
int main()
{
ios_base::sync_with_stdio(0);
int k;
cin >> n >> m >> k;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> in[i][j];
}
}
queue<pair<pii, pii> > Q;
pii droga;
Q.push({{0, 0}, {0, 0}});
while(!Q.empty()) {
auto v = Q.front(); Q.pop();
if (v.fi.fi == n - 1 && v.fi.se == m - 1) {
droga = v.se;
break;
}
if (vis[v.fi.fi][v.fi.se])
continue;
vis[v.fi.fi][v.fi.se] = true;
for (int i = 0; i < 4; i++) {
int nx = v.fi.fi + dx[i];
int ny = v.fi.se + dy[i];
if (nx < 0 || ny < 0 || nx >= n || ny >= m)
continue;
if (in[nx][ny] == 'X')
continue;
int gora = 0, dol = 0;
if (dx[i] > 0 || dy[i] > 0)
gora++;
else
dol++;
Q.push({{nx, ny}, {v.se.fi + gora, v.se.se + dol}});
}
}
//cout << droga.fi << " " << droga.se << "\n";
ll best = 1e18;
int bestcnt = 0;
for (int i = 0; i < k; i++) {
ll a, b;
cin >> a >> b;
ll czas = a * droga.fi + b * droga.se;
if (czas < best) {
best = czas;
bestcnt = 1;
} else if (czas == best) {
bestcnt++;
}
}
cout << best << " " << bestcnt << "\n";
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 | #include <bits/stdc++.h> #define fi first #define se second #define pb push_back using namespace std; typedef long long ll; typedef pair<int, int> pii; const int maxn = 2005; int n, m; char in[maxn][maxn]; bool vis[maxn][maxn]; int dx[4] = {1, -1, 0, 0}; int dy[4] = {0, 0, 1, -1}; int main() { ios_base::sync_with_stdio(0); int k; cin >> n >> m >> k; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> in[i][j]; } } queue<pair<pii, pii> > Q; pii droga; Q.push({{0, 0}, {0, 0}}); while(!Q.empty()) { auto v = Q.front(); Q.pop(); if (v.fi.fi == n - 1 && v.fi.se == m - 1) { droga = v.se; break; } if (vis[v.fi.fi][v.fi.se]) continue; vis[v.fi.fi][v.fi.se] = true; for (int i = 0; i < 4; i++) { int nx = v.fi.fi + dx[i]; int ny = v.fi.se + dy[i]; if (nx < 0 || ny < 0 || nx >= n || ny >= m) continue; if (in[nx][ny] == 'X') continue; int gora = 0, dol = 0; if (dx[i] > 0 || dy[i] > 0) gora++; else dol++; Q.push({{nx, ny}, {v.se.fi + gora, v.se.se + dol}}); } } //cout << droga.fi << " " << droga.se << "\n"; ll best = 1e18; int bestcnt = 0; for (int i = 0; i < k; i++) { ll a, b; cin >> a >> b; ll czas = a * droga.fi + b * droga.se; if (czas < best) { best = czas; bestcnt = 1; } else if (czas == best) { bestcnt++; } } cout << best << " " << bestcnt << "\n"; return 0; } |
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