이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
typedef double db ;
using namespace std;
#define all(x) begin(x), end(x)
#define pb push_back
#define int long long
#define doub(k) printf("%.1lf\n", k) // setprecision(5)
typedef pair<int ,int > pll;typedef map<int , int > mll;typedef vector<int > vll;typedef vector<pll>vpll;
typedef set<int > sll;
const int nx[4] = {0, 0, 1, -1}, ny[4] = {1, -1, 0, 0};
const int dr[8] = {1,1,0,-1,-1,-1, 0, 1}, dc[8] = {0,1,1, 1, 0,-1,-1,-1};
//vector<char>v{'R','B','G'};
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
vector<vector<pair<int,int>>> path;int cyt;int cye;
char grid[10000][100000];int x,y;pll star,en;int vis[10000][10000];
int solve(int n,int j){
//cout<<n<< " "<<j<<endl;
if(n==en.first&&j==en.second){
return -1;
}
if(n<0||n>x||j<0||j>y){
return 1000;
}
if(grid[n][j]=='#'){
return 1000;
}
int ans=1000;
for(int i=0;i<=y;i++){
if(grid[n][j+i]!='#'&&grid[n][j+i+1]=='#'){
if(n<=0||j+i<=0||n>x||j+i>y){
continue;
}
if(vis[n][j+i]){
continue;
}
//cout<<"HERE"<<endl;
//cout<<n<<" "<<j+i<<" "<<"k"<<endl;
vis[n][j+i]=1;
ans=min(ans,solve(n,j+i))+1;
vis[n][j+i]=0;
}
}
for(int i=0;i<=y;i++){
if(grid[n][j-i]!='#'&&grid[n][j-i-1]=='#'){
if(n<=0||j-i<=0||n>x||j-i>y){
continue;
}
if(vis[n][j-i]){
continue;
}
vis[n][j-i]=1;
ans=min(ans,solve(n,j-i))+1;
vis[n][j-i]=0;
}
}
for(int i=0;i<=n;i++){
if(grid[n+i][j]!='#'&&grid[n+i+1][j]=='#'){
if(n+i<=0||j<=0||n+i>x||j>y){
continue;
}
if(vis[n+i][j]){
continue;
}
vis[n+i][j]=1;
ans=min(ans,solve(n+i,j))+1;
vis[n+i][j]=0;
}
}
for(int i=0;i<=n;i++){
if(grid[n-i][j]!='#'&&grid[n-i-1][j]=='#'){
if(n-i<=0||j<=0||n-i>x||j>y){
continue;
}
if(vis[n-i][j]){
continue;
}
vis[n-i][j]=1;
ans=min(ans,solve(n-i,j))+1;
vis[n-i][j]=0;
}
}
for(int r=0;r<4;r++){
if(n+nx[r]<=0||n+nx[r]>x||j+ny[r]<=0||j+ny[r]>y){
continue;
}
if(vis[n+nx[r]][j+ny[r]]){
continue;
}
vis[n+nx[r]][j+ny[r]]=1;
ans=min(ans,solve(n+nx[r],j+ny[r]))+1;
vis[n+nx[r]][j+ny[r]]=0;
}
//cout<<n<<" "<<j<<endl;
//cout<<ans<<endl;
return ans;
}
int32_t main()
{
ios_base::sync_with_stdio(false);cin.tie(NULL);
cin>>x;
cin>>y;
memset(grid,'#',sizeof(grid));
for(int i=1;i<=x;i++){
for(int j=1;j<=y;j++){
char t;cin>>t;
if(t=='S'){
star={i,j};
}
if(t=='C'){
en={i,j};
}
grid[i][j]=t;
}
}
//cout<<grid[x][1]<<endl;
cout<<solve(star.first,star.second)<<endl;
return 0;
}
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