#include <bits/stdc++.h>
using namespace std;
using LL = long long;
#define FOR(i, l, r) for(int i = (l); i <= (r); ++i)
#define REP(i, n) FOR(i, 0, (n) - 1)
vector<vector<int> > tree;
vector<bool> vis;
vector<int> dis;
int depth = 0;
int len = 0;
void BFS(int x) {
queue <pair <int,int> > q;
q.push({x,depth});
vis[x] = true;
while(!q.empty()) {
pair <int,int> a = q.front();
dis[a.first] = a.second;
q.pop();
for(auto u:tree[a.first]) {
if(vis[u] == false) {
q.push({u,a.second+1});
vis[u] = true;
}
}
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n,m,k;
cin >> n >> m >> k;
tree.resize(n*m);vis.resize(n*m);dis.resize(n*m);
vector<vector <char> > grid(n,vector<char>(m));
vector <LL> up(k),down(k);
REP(i,n) REP(j,m)
cin >> grid[i][j];
REP(i,k)
cin >> up[i] >> down[i];
REP(i,n) REP(j,m) {
if(grid[i][j] == '.') {
if(j != 0 && grid[i][j-1] != 'X') {
tree[i*m+j].emplace_back(i*m+(j-1));
tree[i*m+(j-1)].emplace_back(i*m+j);
}
if( i!= 0 && grid[i-1][j] != 'X') {
tree[i*m+j].emplace_back((i-1)*m+j);
tree[(i-1)*m+j].emplace_back(i*m+j);
}
}
}
BFS(0);
LL total = dis[n*m-1];
LL wyn = 1e18,count = 1;
REP(i,k) {
LL time = (n+m-2)*up[i] + (total-(n+m-2))*(down[i]+up[i])/2 ;
if(time < wyn) {
count = 1;
wyn = time;
}
else if(time == wyn) count++;
}
cout << wyn << " " << count;
}
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 | #include <bits/stdc++.h> using namespace std; using LL = long long; #define FOR(i, l, r) for(int i = (l); i <= (r); ++i) #define REP(i, n) FOR(i, 0, (n) - 1) vector<vector<int> > tree; vector<bool> vis; vector<int> dis; int depth = 0; int len = 0; void BFS(int x) { queue <pair <int,int> > q; q.push({x,depth}); vis[x] = true; while(!q.empty()) { pair <int,int> a = q.front(); dis[a.first] = a.second; q.pop(); for(auto u:tree[a.first]) { if(vis[u] == false) { q.push({u,a.second+1}); vis[u] = true; } } } } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n,m,k; cin >> n >> m >> k; tree.resize(n*m);vis.resize(n*m);dis.resize(n*m); vector<vector <char> > grid(n,vector<char>(m)); vector <LL> up(k),down(k); REP(i,n) REP(j,m) cin >> grid[i][j]; REP(i,k) cin >> up[i] >> down[i]; REP(i,n) REP(j,m) { if(grid[i][j] == '.') { if(j != 0 && grid[i][j-1] != 'X') { tree[i*m+j].emplace_back(i*m+(j-1)); tree[i*m+(j-1)].emplace_back(i*m+j); } if( i!= 0 && grid[i-1][j] != 'X') { tree[i*m+j].emplace_back((i-1)*m+j); tree[(i-1)*m+j].emplace_back(i*m+j); } } } BFS(0); LL total = dis[n*m-1]; LL wyn = 1e18,count = 1; REP(i,k) { LL time = (n+m-2)*up[i] + (total-(n+m-2))*(down[i]+up[i])/2 ; if(time < wyn) { count = 1; wyn = time; } else if(time == wyn) count++; } cout << wyn << " " << count; } |
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