#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)
template<class T> int size(T &&x) {
return int(x.size());
}
template<class A, class B> ostream& operator<<(ostream &out, const pair<A, B> &p) {
return out << '(' << p.first << ", " << p.second << ')';
}
template<class T> auto operator<<(ostream &out, T &&x) -> decltype(x.begin(), out) {
out << '{';
for(auto it = x.begin(); it != x.end(); ++it)
out << *it << (it == prev(x.end()) ? "" : ", ");
return out << '}';
}
void dump() {}
template<class T, class... Args> void dump(T &&x, Args... args) {
cerr << x << "; ";
dump(args...);
}
#ifdef DEBUG
struct Nl{~Nl(){cerr << '\n';}};
# define debug(x...) cerr << (strcmp(#x, "") ? #x ": " : ""), dump(x), Nl(), cerr << ""
#else
# define debug(...) 0 && cerr
#endif
mt19937_64 rng(0);
int rd(int l, int r) {
return uniform_int_distribution<int>(l, r)(rng);
}
// end of templates
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, m, k;
cin >> n >> m >> k;
auto board = vector<vector<char>>(n, vector<char>(m));
REP(i, n) REP(j, m) cin >> board[i][j];
auto dist = vector<vector<int>>(n, vector<int>(m, -1));
dist[0][0] = 0;
deque<pair<int, int>> q = {{0, 0}};
while(size(q)) {
auto [x, y] = q.front();
q.pop_front();
for(auto [i, j]: vector<pair<int, int>>{{x-1, y}, {x+1, y}, {x, y-1}, {x, y+1}})
if(0 <= i and i < n and
0 <= j and j < m and
board[i][j] != 'X' and dist[i][j] == -1) {
q.emplace_back(i, j);
dist[i][j] = dist[x][y]+1;
}
}
debug(dist);
map<LL, int> mmap;
LL best = LLONG_MAX;
REP(i, k) {
LL a, b;
cin >> a >> b;
LL score = a*(dist[n-1][m-1]+n+m-2)/2 + b*(dist[n-1][m-1]-n-m+2)/2;
debug(score);
if(mmap.find(score) == mmap.end()) mmap[score] = 0;
mmap[score]++;
best = min(best, score);
}
cout << best << ' ' << mmap[best] << '\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 | #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) template<class T> int size(T &&x) { return int(x.size()); } template<class A, class B> ostream& operator<<(ostream &out, const pair<A, B> &p) { return out << '(' << p.first << ", " << p.second << ')'; } template<class T> auto operator<<(ostream &out, T &&x) -> decltype(x.begin(), out) { out << '{'; for(auto it = x.begin(); it != x.end(); ++it) out << *it << (it == prev(x.end()) ? "" : ", "); return out << '}'; } void dump() {} template<class T, class... Args> void dump(T &&x, Args... args) { cerr << x << "; "; dump(args...); } #ifdef DEBUG struct Nl{~Nl(){cerr << '\n';}}; # define debug(x...) cerr << (strcmp(#x, "") ? #x ": " : ""), dump(x), Nl(), cerr << "" #else # define debug(...) 0 && cerr #endif mt19937_64 rng(0); int rd(int l, int r) { return uniform_int_distribution<int>(l, r)(rng); } // end of templates int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n, m, k; cin >> n >> m >> k; auto board = vector<vector<char>>(n, vector<char>(m)); REP(i, n) REP(j, m) cin >> board[i][j]; auto dist = vector<vector<int>>(n, vector<int>(m, -1)); dist[0][0] = 0; deque<pair<int, int>> q = {{0, 0}}; while(size(q)) { auto [x, y] = q.front(); q.pop_front(); for(auto [i, j]: vector<pair<int, int>>{{x-1, y}, {x+1, y}, {x, y-1}, {x, y+1}}) if(0 <= i and i < n and 0 <= j and j < m and board[i][j] != 'X' and dist[i][j] == -1) { q.emplace_back(i, j); dist[i][j] = dist[x][y]+1; } } debug(dist); map<LL, int> mmap; LL best = LLONG_MAX; REP(i, k) { LL a, b; cin >> a >> b; LL score = a*(dist[n-1][m-1]+n+m-2)/2 + b*(dist[n-1][m-1]-n-m+2)/2; debug(score); if(mmap.find(score) == mmap.end()) mmap[score] = 0; mmap[score]++; best = min(best, score); } cout << best << ' ' << mmap[best] << '\n'; } |
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