#include <bits/stdc++.h>
using namespace std;
int mountain[2005][2005];
int dis[2005][2005];
queue < pair <int, int> > q;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n,m,k;
cin >> n >> m >> k;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
char in;
cin >> in;
if(in=='X')mountain[i][j]=1;
}
}
mountain[1][1]=-1;
q.push(make_pair(1,1));
while(!q.empty()){
if(q.front().first-1>0 && mountain[q.front().first-1][q.front().second]==0){
q.push(make_pair(q.front().first-1,q.front().second));
dis[q.front().first-1][q.front().second]=dis[q.front().first][q.front().second]+1;
mountain[q.front().first-1][q.front().second]=-1;
}
if(q.front().first+1<=n && mountain[q.front().first+1][q.front().second]==0){
q.push(make_pair(q.front().first+1,q.front().second));
dis[q.front().first+1][q.front().second]=dis[q.front().first][q.front().second]+1;
mountain[q.front().first+1][q.front().second]=-1;
}
if(q.front().second-1>0 && mountain[q.front().first][q.front().second-1]==0){
q.push(make_pair(q.front().first,q.front().second-1));
dis[q.front().first][q.front().second-1]=dis[q.front().first][q.front().second]+1;
mountain[q.front().first][q.front().second-1]=-1;
}
if(q.front().second+1<=m && mountain[q.front().first][q.front().second+1]==0){
q.push(make_pair(q.front().first,q.front().second+1));
dis[q.front().first][q.front().second+1]=dis[q.front().first][q.front().second]+1;
mountain[q.front().first][q.front().second+1]=-1;
}
q.pop();
}
long long amount_a=n+m-2,amount_b=0;
amount_b=(dis[n][m]-amount_a)/2;
amount_a+=amount_b;
long long fast_time=-1,fast_people=0;
for(int i=0;i<k;i++){
long long a,b;
cin >> a >> b;
long long result=amount_a*a+amount_b*b;
if(fast_time==-1 || result<fast_time){
fast_time=result;
fast_people=1;
}
else if(result==fast_time)fast_people++;
}
cout << fast_time << " " << fast_people << "\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 | #include <bits/stdc++.h> using namespace std; int mountain[2005][2005]; int dis[2005][2005]; queue < pair <int, int> > q; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int n,m,k; cin >> n >> m >> k; for(int i=1;i<=n;i++){ for(int j=1;j<=m;j++){ char in; cin >> in; if(in=='X')mountain[i][j]=1; } } mountain[1][1]=-1; q.push(make_pair(1,1)); while(!q.empty()){ if(q.front().first-1>0 && mountain[q.front().first-1][q.front().second]==0){ q.push(make_pair(q.front().first-1,q.front().second)); dis[q.front().first-1][q.front().second]=dis[q.front().first][q.front().second]+1; mountain[q.front().first-1][q.front().second]=-1; } if(q.front().first+1<=n && mountain[q.front().first+1][q.front().second]==0){ q.push(make_pair(q.front().first+1,q.front().second)); dis[q.front().first+1][q.front().second]=dis[q.front().first][q.front().second]+1; mountain[q.front().first+1][q.front().second]=-1; } if(q.front().second-1>0 && mountain[q.front().first][q.front().second-1]==0){ q.push(make_pair(q.front().first,q.front().second-1)); dis[q.front().first][q.front().second-1]=dis[q.front().first][q.front().second]+1; mountain[q.front().first][q.front().second-1]=-1; } if(q.front().second+1<=m && mountain[q.front().first][q.front().second+1]==0){ q.push(make_pair(q.front().first,q.front().second+1)); dis[q.front().first][q.front().second+1]=dis[q.front().first][q.front().second]+1; mountain[q.front().first][q.front().second+1]=-1; } q.pop(); } long long amount_a=n+m-2,amount_b=0; amount_b=(dis[n][m]-amount_a)/2; amount_a+=amount_b; long long fast_time=-1,fast_people=0; for(int i=0;i<k;i++){ long long a,b; cin >> a >> b; long long result=amount_a*a+amount_b*b; if(fast_time==-1 || result<fast_time){ fast_time=result; fast_people=1; } else if(result==fast_time)fast_people++; } cout << fast_time << " " << fast_people << "\n"; return 0; } |
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