#include <bits/stdc++.h> using namespace std; //{ #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define FORD(i, a, b) for(int i = (a); i >= (b); --i) #define VAR(v, i) __typeof(i) v=(i) #define all(v) (v).begin(),(v).end() #define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define PII pair<int,int> #define st first #define nd second #define pb push_back #define lint long long int #define VI vector<int> #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } }; //{ #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " #define make( x) int (x); scanf("%d",&(x)); #define make2( x, y) int (x), (y); scanf("%d%d",&(x),&(y)); #define make3(x, y, z) int (x), (y), (z); scanf("%d%d%d",&(x),&(y),&(z)); #define make4(x, y, z, t) int (x), (y), (z), (t); scanf("%d%d%d%d",&(x),&(y),&(z),&(t)); #define makev(v,n) VI (v); FOR(i,0,(n)) { make(a); (v).pb(a);} #define IOS ios_base::sync_with_stdio(0) #define HEAP priority_queue #define read( x) scanf("%d",&(x)); #define read2( x, y) scanf("%d%d",&(x),&(y)); #define read3(x, y, z) scanf("%d%d%d",&(x),&(y),&(z)); #define read4(x, y, z, t) scanf("%d%d%d%d",&(x),&(y),&(z),&(t)); #define readv(v,n) FOR(i,0,(n)) { make(a); (v).pb(a);} #define jeb() fflush(stdout); //} int n,m,k; char s[2005][2005]; vector<PII> w; int dp[2005][2005]; int dx[] = {-1,0,0,1}; int dy[] = {0,-1,1,0}; bool inside(int a, int b) { return a>=0 && a<n && b>=0 && b<m; } int main() { read3(n, m, k); FOR(i,0,n) { scanf("%s", s[i]); } FOR(i,0,k) { make2(a, b); w.pb({a,b}); } FOR(i,0,n) FOR(j,0,m) dp[i][j] = 1e9; dp[0][0] = 0; int it = 0; vector<pair<PII,int> > v; v.pb({{0,0},0}); while (it < v.size()) { PII kto = v[it].st; int co = v[it].nd; it++; if (dp[kto.st][kto.nd] !=co) continue; FOR(j,0,4) { int nx = kto.st + dx[j]; int ny = kto.nd + dy[j]; if (!inside(nx, ny)) continue; if (s[nx][ny] == 'X') continue; if (dp[nx][ny] > dp[kto.st][kto.nd]+1) { dp[nx][ny] = dp[kto.st][kto.nd] + 1; v.pb({{nx,ny}, dp[kto.st][kto.nd] + 1}); } } } int ans = dp[n-1][m-1]; int zle = (ans - (n-1)-(m-1))/2; int dobre = (n-1)+(m-1)+zle; lint best = 1e18; FOR(i,0,k) { best = min(best, dobre*1LL*w[i].st + zle*1LL*w[i].nd); } ans = 0; FOR(i,0,k) { if (best == dobre*1LL*w[i].st + zle*1LL*w[i].nd) { ans++; } } printf("%lld %d\n", best, ans); }
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 | #include <bits/stdc++.h> using namespace std; //{ #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define FORD(i, a, b) for(int i = (a); i >= (b); --i) #define VAR(v, i) __typeof(i) v=(i) #define all(v) (v).begin(),(v).end() #define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i) #define PII pair<int,int> #define st first #define nd second #define pb push_back #define lint long long int #define VI vector<int> #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } }; //{ #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " #define make( x) int (x); scanf("%d",&(x)); #define make2( x, y) int (x), (y); scanf("%d%d",&(x),&(y)); #define make3(x, y, z) int (x), (y), (z); scanf("%d%d%d",&(x),&(y),&(z)); #define make4(x, y, z, t) int (x), (y), (z), (t); scanf("%d%d%d%d",&(x),&(y),&(z),&(t)); #define makev(v,n) VI (v); FOR(i,0,(n)) { make(a); (v).pb(a);} #define IOS ios_base::sync_with_stdio(0) #define HEAP priority_queue #define read( x) scanf("%d",&(x)); #define read2( x, y) scanf("%d%d",&(x),&(y)); #define read3(x, y, z) scanf("%d%d%d",&(x),&(y),&(z)); #define read4(x, y, z, t) scanf("%d%d%d%d",&(x),&(y),&(z),&(t)); #define readv(v,n) FOR(i,0,(n)) { make(a); (v).pb(a);} #define jeb() fflush(stdout); //} int n,m,k; char s[2005][2005]; vector<PII> w; int dp[2005][2005]; int dx[] = {-1,0,0,1}; int dy[] = {0,-1,1,0}; bool inside(int a, int b) { return a>=0 && a<n && b>=0 && b<m; } int main() { read3(n, m, k); FOR(i,0,n) { scanf("%s", s[i]); } FOR(i,0,k) { make2(a, b); w.pb({a,b}); } FOR(i,0,n) FOR(j,0,m) dp[i][j] = 1e9; dp[0][0] = 0; int it = 0; vector<pair<PII,int> > v; v.pb({{0,0},0}); while (it < v.size()) { PII kto = v[it].st; int co = v[it].nd; it++; if (dp[kto.st][kto.nd] !=co) continue; FOR(j,0,4) { int nx = kto.st + dx[j]; int ny = kto.nd + dy[j]; if (!inside(nx, ny)) continue; if (s[nx][ny] == 'X') continue; if (dp[nx][ny] > dp[kto.st][kto.nd]+1) { dp[nx][ny] = dp[kto.st][kto.nd] + 1; v.pb({{nx,ny}, dp[kto.st][kto.nd] + 1}); } } } int ans = dp[n-1][m-1]; int zle = (ans - (n-1)-(m-1))/2; int dobre = (n-1)+(m-1)+zle; lint best = 1e18; FOR(i,0,k) { best = min(best, dobre*1LL*w[i].st + zle*1LL*w[i].nd); } ans = 0; FOR(i,0,k) { if (best == dobre*1LL*w[i].st + zle*1LL*w[i].nd) { ans++; } } printf("%lld %d\n", best, ans); } |