#include <bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(0);
int n,m,k;
cin >> n>>m>>k;
int e[n][m];
for (int i=0; i<n;i++){
for (int j=0; j<m;j++){
char tmp;
cin >> tmp;
e[i][j]=(int)(tmp=='X')*(-1);
}
}
vector <pair<int,int> > kk;
for (int i=0;i<k;i++){
int k1,k2;
cin >> k1 >> k2;
kk.push_back(make_pair(k1,k2));
}
queue <pair<int,int> > q;
q.push(make_pair(n-1,m-1));
int tmpx[4]={-1,0,1,0};
int tmpy[4]={0,-1,0,1};
while (!q.empty()){
auto tmp = q.front();
//cout << tmp.first << " "<<tmp.second<<endl;
q.pop();
for (int i=0; i<4;i++){
if (tmp.first+tmpx[i]>=0 && tmp.first+tmpx[i]<n && tmp.second+tmpy[i]>=0 && tmp.second+tmpy[i]<m){
if (e[tmp.first+tmpx[i]][tmp.second+tmpy[i]]==0){
e[tmp.first+tmpx[i]][tmp.second+tmpy[i]]=i+1;
q.push(make_pair(tmp.first+tmpx[i],tmp.second+tmpy[i]));
}
}
}
}
pair<int,int> tmp=make_pair(0,0);
vector <bool> cos;
int l1=0;
int l2=0;
while(tmp!=make_pair(n-1,m-1)){
int tmp2=e[tmp.first][tmp.second];
tmp.first-=tmpx[tmp2-1];
tmp.second-=tmpy[tmp2-1];
//cout << tmp.first<<" "<<tmp.second<<" "<<tmp2<<endl;
if (tmp2-1<2){
l1++;
}else{
l2++;
}
}
long long mini=(1<<20);
mini*=(1<<20);
mini*=(1<<20);
int wynik=0;
for (int i=0; i<kk.size();i++){
long long tmp=(long long)l1*(long long)kk[i].first+(long long)l2*(long long)kk[i].second;
if (mini==tmp){
wynik++;
}
if (mini>tmp){
mini=tmp;
wynik=1;
}
}
cout << mini<<" "<<wynik<<endl;
}
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 | #include <bits/stdc++.h> using namespace std; int main(){ ios_base::sync_with_stdio(0); int n,m,k; cin >> n>>m>>k; int e[n][m]; for (int i=0; i<n;i++){ for (int j=0; j<m;j++){ char tmp; cin >> tmp; e[i][j]=(int)(tmp=='X')*(-1); } } vector <pair<int,int> > kk; for (int i=0;i<k;i++){ int k1,k2; cin >> k1 >> k2; kk.push_back(make_pair(k1,k2)); } queue <pair<int,int> > q; q.push(make_pair(n-1,m-1)); int tmpx[4]={-1,0,1,0}; int tmpy[4]={0,-1,0,1}; while (!q.empty()){ auto tmp = q.front(); //cout << tmp.first << " "<<tmp.second<<endl; q.pop(); for (int i=0; i<4;i++){ if (tmp.first+tmpx[i]>=0 && tmp.first+tmpx[i]<n && tmp.second+tmpy[i]>=0 && tmp.second+tmpy[i]<m){ if (e[tmp.first+tmpx[i]][tmp.second+tmpy[i]]==0){ e[tmp.first+tmpx[i]][tmp.second+tmpy[i]]=i+1; q.push(make_pair(tmp.first+tmpx[i],tmp.second+tmpy[i])); } } } } pair<int,int> tmp=make_pair(0,0); vector <bool> cos; int l1=0; int l2=0; while(tmp!=make_pair(n-1,m-1)){ int tmp2=e[tmp.first][tmp.second]; tmp.first-=tmpx[tmp2-1]; tmp.second-=tmpy[tmp2-1]; //cout << tmp.first<<" "<<tmp.second<<" "<<tmp2<<endl; if (tmp2-1<2){ l1++; }else{ l2++; } } long long mini=(1<<20); mini*=(1<<20); mini*=(1<<20); int wynik=0; for (int i=0; i<kk.size();i++){ long long tmp=(long long)l1*(long long)kk[i].first+(long long)l2*(long long)kk[i].second; if (mini==tmp){ wynik++; } if (mini>tmp){ mini=tmp; wynik=1; } } cout << mini<<" "<<wynik<<endl; } |
English