#include<bits/stdc++.h>
using namespace std;
char G[15][15];
int dis_num[15][15][5];
pair<int,int> Place[15];
int Move[4][2]={{-1,0},{0,1},{1,0},{0,-1}};
deque<pair<int,int>> inqueue_place[5];
pair<int,int> direct(pair<int,int> place,int index){
while(1){
if(G[place.first][place.second]=='A') index = (index+3)%4;
else if(G[place.first][place.second]=='C') index = (index+1)%4;
pair<int,int> tmp_place = {place.first+Move[index][0],place.second+Move[index][1]};
if(G[tmp_place.first][tmp_place.second]=='x') return place;
place = tmp_place;
}
}
int main(){
int n,m,k;
cin>>k>>m>>n;
for(int i=0;i<=m+1;i++) {G[0][i]='x';G[n+1][i]='x';}
for(int i=0;i<=n+1;i++) {G[i][0]='x';G[i][m+1]='x';}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
char s;
cin>>s;
G[i][j]=s;
if(s=='1') Place[1]={i,j};
if(s=='2') Place[2]={i,j};
}
}
for(int i=0;i<15;i++){
for(int j=0;j<15;j++){
for(int k=1;k<=2;k++){
dis_num[i][j][k]=-1;
}
}
}
for(int i=1;i<=2;i++){
dis_num[Place[i].first][Place[i].second][i]=0;
inqueue_place[i].push_back(Place[i]);
while((int)inqueue_place[i].size()){
auto now = *(inqueue_place[i].begin());
//cout << now.first << " " << now.second << "\n";
inqueue_place[i].pop_front();
for(int j=0;j<4;j++){
auto tmp = direct(now,j);
if(dis_num[tmp.first][tmp.second][i]==-1){
dis_num[tmp.first][tmp.second][i]=dis_num[now.first][now.second][i]+1;
inqueue_place[i].push_back(tmp);
}
}
}
//cout <<"now_size " << (int)inqueue_place.size() << " ";
}
/*
for(int i=0;i<=n+1;i++){
for(int j=0;j<=m+1;j++){
cout << setw(3) << dis_num[i][j][1] << " ";
}
cout << "\n";
}
for(int i=0;i<=n+1;i++){
for(int j=0;j<=m+1;j++){
cout << setw(3) << dis_num[i][j][2] << " ";
}
cout << "\n";
}*/
int answer = 1000;
for(int i=0;i<=n+1;i++){
for(int j=0;j<=m+1;j++){
if(dis_num[i][j][1]!=-1 && dis_num[i][j][2]!=-1) answer = min(answer,dis_num[i][j][1]+dis_num[i][j][2]);
}
}
if(answer!=1000) cout << answer;
else cout << -1;
//cout << dis_num[place_2.first][place_2.second];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Runtime error |
1 ms |
344 KB |
Execution killed with signal 11 |
12 |
Halted |
0 ms |
0 KB |
- |