#include <bits/stdc++.h>
using namespace std;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef long long LL;
typedef pair<int,int> PI;
typedef pair<LL,LL> PLL;
typedef unsigned long long ULL;
typedef pair<double,double> PD;
#define FOR(x, b, e) for(int x = b; x<= (e); x++)
#define FORD(x, b, e) for(int x = b; x>= (e); x--)
#define REP(x, n) for(int x = 0; x<(n); ++x)
#define ALL(c) (c).begin(), (c).end()
#define SIZE(x) ((int)(x).size())
#define PB push_back
#define IN insert
#define ST first
#define ND second
#define INF 2000000011
#define MOD 1000000007
#define MAXS 2010
int mapa[MAXS][MAXS];
int odl[MAXS][MAXS];
int n,m,k;
bool inBounds(PI coords){
int x=coords.ST;
int y=coords.ND;
return x>=0&&x<n&&y>=0&&y<m&&odl[x][y]==INF&&mapa[x][y]==0;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cin>>n>>m>>k;
REP(i,n){
string s1;
cin>>s1;
REP(j,m)
mapa[i][j]=(s1[j]=='X');
}
REP(i,n){
REP(j,m)
odl[i][j]=INF;
}
queue<PI> kol;
kol.push({0,0});
odl[0][0]=0;
while(odl[n-1][m-1]==INF){
PI coords=kol.front();
kol.pop();
int x=coords.ST;
int y=coords.ND;
for(int p=-1;p<=1;p+=2){
if(inBounds({x+p,y})){
odl[x+p][y]=odl[x][y]+1;
kol.push({x+p,y});
}
if(inBounds({x,y+p})){
odl[x][y+p]=odl[x][y]+1;
kol.push({x,y+p});
}
}
}
int wdol=(odl[n-1][m-1]-(n+m-2))/2;
int wgore=n+m-2+wdol;
LL wyn=LONG_LONG_MAX;
int ile=0;
REP(i,k){
LL t1,t2;
cin>>t1>>t2;
LL val=wgore*t1+wdol*t2;
if(val<wyn){
wyn=val;
ile=0;
}
if(wyn==val)
ile++;
}
cout<<wyn<<" "<<ile<<"\n";
}
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 | #include <bits/stdc++.h> using namespace std; typedef vector<int> VI; typedef vector<VI> VVI; typedef long long LL; typedef pair<int,int> PI; typedef pair<LL,LL> PLL; typedef unsigned long long ULL; typedef pair<double,double> PD; #define FOR(x, b, e) for(int x = b; x<= (e); x++) #define FORD(x, b, e) for(int x = b; x>= (e); x--) #define REP(x, n) for(int x = 0; x<(n); ++x) #define ALL(c) (c).begin(), (c).end() #define SIZE(x) ((int)(x).size()) #define PB push_back #define IN insert #define ST first #define ND second #define INF 2000000011 #define MOD 1000000007 #define MAXS 2010 int mapa[MAXS][MAXS]; int odl[MAXS][MAXS]; int n,m,k; bool inBounds(PI coords){ int x=coords.ST; int y=coords.ND; return x>=0&&x<n&&y>=0&&y<m&&odl[x][y]==INF&&mapa[x][y]==0; } int main(){ ios::sync_with_stdio(0); cin.tie(0); cin>>n>>m>>k; REP(i,n){ string s1; cin>>s1; REP(j,m) mapa[i][j]=(s1[j]=='X'); } REP(i,n){ REP(j,m) odl[i][j]=INF; } queue<PI> kol; kol.push({0,0}); odl[0][0]=0; while(odl[n-1][m-1]==INF){ PI coords=kol.front(); kol.pop(); int x=coords.ST; int y=coords.ND; for(int p=-1;p<=1;p+=2){ if(inBounds({x+p,y})){ odl[x+p][y]=odl[x][y]+1; kol.push({x+p,y}); } if(inBounds({x,y+p})){ odl[x][y+p]=odl[x][y]+1; kol.push({x,y+p}); } } } int wdol=(odl[n-1][m-1]-(n+m-2))/2; int wgore=n+m-2+wdol; LL wyn=LONG_LONG_MAX; int ile=0; REP(i,k){ LL t1,t2; cin>>t1>>t2; LL val=wgore*t1+wdol*t2; if(val<wyn){ wyn=val; ile=0; } if(wyn==val) ile++; } cout<<wyn<<" "<<ile<<"\n"; } |
English