#include<bits/stdc++.h> using namespace std; #define st first #define nd second const vector<pair<int,int> > dirs = {{0,1},{1,0},{-1,0},{0,-1}}; int32_t main(){ ios::sync_with_stdio(false); int n,m,k; cin >> n >> m >> k; vector<string> tab(n); for(int i=0;i<n;i++) cin >> tab[i]; queue<pair<int,int> > q; vector<vector<int> > dist(n,vector<int>(m,-1)); q.push({0,0}); dist[0][0] = 0; while(!q.empty()) { auto p = q.front(); q.pop(); for(auto d : dirs) { int a = p.st+d.st, b = p.nd+d.nd; if(a >= 0 && b >= 0 && a < n && b < m && tab[a][b] == '.' && dist[a][b] == -1) { dist[a][b] = dist[p.st][p.nd]+1; q.push({a,b}); } } } map<long long,int> res; while(k--) { long long a,b; cin >> a >> b; res[-b*(n+m-2) + (a+b)*(dist[n-1][m-1]+n+m-2)/2]++; } cout<<res.begin()->first<<" "<<res.begin()->second<<"\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 | #include<bits/stdc++.h> using namespace std; #define st first #define nd second const vector<pair<int,int> > dirs = {{0,1},{1,0},{-1,0},{0,-1}}; int32_t main(){ ios::sync_with_stdio(false); int n,m,k; cin >> n >> m >> k; vector<string> tab(n); for(int i=0;i<n;i++) cin >> tab[i]; queue<pair<int,int> > q; vector<vector<int> > dist(n,vector<int>(m,-1)); q.push({0,0}); dist[0][0] = 0; while(!q.empty()) { auto p = q.front(); q.pop(); for(auto d : dirs) { int a = p.st+d.st, b = p.nd+d.nd; if(a >= 0 && b >= 0 && a < n && b < m && tab[a][b] == '.' && dist[a][b] == -1) { dist[a][b] = dist[p.st][p.nd]+1; q.push({a,b}); } } } map<long long,int> res; while(k--) { long long a,b; cin >> a >> b; res[-b*(n+m-2) + (a+b)*(dist[n-1][m-1]+n+m-2)/2]++; } cout<<res.begin()->first<<" "<<res.begin()->second<<"\n"; } |