#include <cstdio>
#include <queue>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define MP make_pair
#define FT first
#define SD second
#define INT(x) int x; scanf("%d", &x)
typedef long long LL;
typedef pair<int,int> PII;
const int INF = 1000000000;
const LL INFLL = 1000000000000000000LL;
const int DX[4] = {1, 0, -1, 0};
const int DY[4] = {0, 1, 0, -1};
char a[2000][2001];
int d[2000][2000];
int main() {
INT(n);
INT(m);
INT(k);
REP(i,n) scanf("%s", a[i]);
REP(i,n) REP(j,m) d[i][j] = INF;
queue<PII> q;
d[0][0] = 0;
q.push(MP(0, 0));
while (!q.empty()) {
PII p = q.front();
q.pop();
REP(dd,4) {
int x = p.FT + DX[dd];
int y = p.SD + DY[dd];
if (x < 0 || y < 0 || x >= n || y >= m) continue;
if (a[x][y] == 'X') continue;
if (d[x][y] != INF) continue;
d[x][y] = d[p.FT][p.SD] + 1;
q.push(MP(x, y));
}
}
int r = d[n - 1][m - 1];
int o = n + m - 2;
LL down = (r - o) >> 1;
LL up = r - down;
LL best = INFLL;
int c = 0;
REP(kk,k) {
INT(a);
INT(b);
LL x = a * up + b * down;
if (x < best) {
best = x;
c = 1;
} else if (x == best) ++c;
}
printf("%lld %d\n", best, c);
}
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 | #include <cstdio> #include <queue> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define MP make_pair #define FT first #define SD second #define INT(x) int x; scanf("%d", &x) typedef long long LL; typedef pair<int,int> PII; const int INF = 1000000000; const LL INFLL = 1000000000000000000LL; const int DX[4] = {1, 0, -1, 0}; const int DY[4] = {0, 1, 0, -1}; char a[2000][2001]; int d[2000][2000]; int main() { INT(n); INT(m); INT(k); REP(i,n) scanf("%s", a[i]); REP(i,n) REP(j,m) d[i][j] = INF; queue<PII> q; d[0][0] = 0; q.push(MP(0, 0)); while (!q.empty()) { PII p = q.front(); q.pop(); REP(dd,4) { int x = p.FT + DX[dd]; int y = p.SD + DY[dd]; if (x < 0 || y < 0 || x >= n || y >= m) continue; if (a[x][y] == 'X') continue; if (d[x][y] != INF) continue; d[x][y] = d[p.FT][p.SD] + 1; q.push(MP(x, y)); } } int r = d[n - 1][m - 1]; int o = n + m - 2; LL down = (r - o) >> 1; LL up = r - down; LL best = INFLL; int c = 0; REP(kk,k) { INT(a); INT(b); LL x = a * up + b * down; if (x < best) { best = x; c = 1; } else if (x == best) ++c; } printf("%lld %d\n", best, c); } |
English