#include <bits/stdc++.h>
using namespace std;
#define st first
#define nd second
#define PB push_back
#define mp make_pair
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using ll = long long;
#define debug() cout<<"!XD"<<endl
constexpr ll inf = 1e18+2;
int t[2005][2005], n, m, k;
ll a, b;
ll res1, res2;
bool vis[2005][2005];
vector<pair<ll, ll> > kraw;
string c;
void bfs(int x, int y, int r1, int r2){
queue< pair< pair<int, int>, pair<int, int> > > q;
q.push({{x, y}, {r1, r2}});
while(!q.empty()){
pair<int, int> wsp=q.front().st;
pair<int, int> il=q.front().nd;
vis[wsp.st][wsp.nd]=1;
q.pop();
if(wsp.st==n && wsp.nd==m){
res1=il.st;
res2=il.nd;
break;
}
if(!vis[wsp.st-1][wsp.nd] && !t[wsp.st-1][wsp.nd]){
q.push({{wsp.st-1, wsp.nd}, {il.st, il.nd+1}});
}
if(!vis[wsp.st+1][wsp.nd] && (!t[wsp.st+1][wsp.nd])){
q.push({{wsp.st+1, wsp.nd}, {il.st+1, il.nd}});
}
if(!vis[wsp.st][wsp.nd-1] && (!t[wsp.st][wsp.nd-1])){
q.push({{wsp.st, wsp.nd-1}, {il.st, il.nd+1}});
}
if(!vis[wsp.st][wsp.nd+1] && (!t[wsp.st][wsp.nd+1])){
q.push({{wsp.st, wsp.nd+1}, {il.st+1, il.nd}});
}
}
}
int main()
{
fastio
cin>>n>>m>>k;
for(int i=1; i<=n; ++i){
cin>>c;
for(int j=0; j<m; ++j){
if(c[j]=='X'){
t[i][j+1]=1;
}
}
}
for(int i=0; i<=n+1; ++i){
t[i][0]=1;
t[i][m+1]=1;
}
for(int i=1; i<=m; ++i){
t[0][i]=1;
t[n+1][i]=1;
}
for(int i=1; i<=k; ++i){
cin>>a>>b;
kraw.PB({a, b});
}
bfs(1, 1, 0, 0);
ll wyn = inf;
int cnt=0;
ll safe;
for(auto x: kraw){
safe=(res1*x.st);
safe+=(res2*x.nd);
wyn=min(wyn, safe);
}
for(auto x: kraw){
safe=(res1*x.st);
safe+=(res2*x.nd);
if(safe==wyn){
cnt++;
}
}
cout<<wyn<<" "<<cnt<<'\n';
return 0;
}
/**
5 5 3
.X...
.X.X.
.X.X.
.X.X.
...X.
1 3
3 1
3 3
5 5 10
.x.x.
...x.
..x..
x....
...x.
214 515
213 6236
26362 32616
236236 266262
26362 26367
23667 85452
2136 71438
16631 452845
13461346 51377
1346643 631461
**/
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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | #include <bits/stdc++.h> using namespace std; #define st first #define nd second #define PB push_back #define mp make_pair #define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); using ll = long long; #define debug() cout<<"!XD"<<endl constexpr ll inf = 1e18+2; int t[2005][2005], n, m, k; ll a, b; ll res1, res2; bool vis[2005][2005]; vector<pair<ll, ll> > kraw; string c; void bfs(int x, int y, int r1, int r2){ queue< pair< pair<int, int>, pair<int, int> > > q; q.push({{x, y}, {r1, r2}}); while(!q.empty()){ pair<int, int> wsp=q.front().st; pair<int, int> il=q.front().nd; vis[wsp.st][wsp.nd]=1; q.pop(); if(wsp.st==n && wsp.nd==m){ res1=il.st; res2=il.nd; break; } if(!vis[wsp.st-1][wsp.nd] && !t[wsp.st-1][wsp.nd]){ q.push({{wsp.st-1, wsp.nd}, {il.st, il.nd+1}}); } if(!vis[wsp.st+1][wsp.nd] && (!t[wsp.st+1][wsp.nd])){ q.push({{wsp.st+1, wsp.nd}, {il.st+1, il.nd}}); } if(!vis[wsp.st][wsp.nd-1] && (!t[wsp.st][wsp.nd-1])){ q.push({{wsp.st, wsp.nd-1}, {il.st, il.nd+1}}); } if(!vis[wsp.st][wsp.nd+1] && (!t[wsp.st][wsp.nd+1])){ q.push({{wsp.st, wsp.nd+1}, {il.st+1, il.nd}}); } } } int main() { fastio cin>>n>>m>>k; for(int i=1; i<=n; ++i){ cin>>c; for(int j=0; j<m; ++j){ if(c[j]=='X'){ t[i][j+1]=1; } } } for(int i=0; i<=n+1; ++i){ t[i][0]=1; t[i][m+1]=1; } for(int i=1; i<=m; ++i){ t[0][i]=1; t[n+1][i]=1; } for(int i=1; i<=k; ++i){ cin>>a>>b; kraw.PB({a, b}); } bfs(1, 1, 0, 0); ll wyn = inf; int cnt=0; ll safe; for(auto x: kraw){ safe=(res1*x.st); safe+=(res2*x.nd); wyn=min(wyn, safe); } for(auto x: kraw){ safe=(res1*x.st); safe+=(res2*x.nd); if(safe==wyn){ cnt++; } } cout<<wyn<<" "<<cnt<<'\n'; return 0; } /** 5 5 3 .X... .X.X. .X.X. .X.X. ...X. 1 3 3 1 3 3 5 5 10 .x.x. ...x. ..x.. x.... ...x. 214 515 213 6236 26362 32616 236236 266262 26362 26367 23667 85452 2136 71438 16631 452845 13461346 51377 1346643 631461 **/ |
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