///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long
#define append push_back
#define all(x) (x).begin(),(x).end()
#define pii pair<int,int>
#define N 502
#define M 10
int n,m,o;
char c[N][N];
int dp[N][N][M][M];
vector<pii> a[N][N];
void mark(int x,int y,int p,int q,int r,int s){
if(!x || x>n || !y || y>m) return;
if(c[x][y]=='x'){
p=x+r;
q=y+s;
}
else if(p!=x || q!=y)
a[x][y].append({p,q});
if(c[x][y]=='C'){
swap(r,s);
r=-r;
}
if(c[x][y]=='A'){
swap(r,s);
s=-s;
}
mark(x+r,y+s,p,q,r,s);
}
void dijkstra(int l,int r){
int d,p,q;
priority_queue<pair<int,pii>,vector<pair<int,pii>>,greater<pair<int,pii>>> Q;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
if(dp[i][j][l][r]<1e9)
Q.push({dp[i][j][l][r],{i,j}});
while(!Q.empty()){
d=Q.top().ff;
p=Q.top().ss.ff;
q=Q.top().ss.ss;
Q.pop();
if(d==dp[p][q][l][r]){
for(auto& i:a[p][q]){
if(d+1<dp[i.ff][i.ss][l][r]){
dp[i.ff][i.ss][l][r]=d+1;
Q.push({d+1,i});
}
}
}
}
}
void solve(){
int s;
cin>>o>>m>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
cin>>c[i][j];
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
for(int l=1;l<=o;l++)
for(int r=l;r<=o;r++)
dp[i][j][l][r]=1e9;
for(int i=1;i<=n;i++){
mark(i,1,i,1,0,1);
mark(i,m,i,m,0,-1);
}
for(int i=1;i<=m;i++){
mark(1,i,1,i,1,0);
mark(n,i,n,i,-1,0);
}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
s=c[i][j]-'0';
if(s>0 && s<10)
dp[i][j][s][s]=0;
}
}
for(int i=1;i<=o;i++)
dijkstra(i,i);
for(int j=1;j<o;j++){
for(int i=1;i+j<=o;i++){
for(int p=1;p<=n;p++)
for(int q=1;q<=m;q++)
for(int d=i;d<i+j;d++)
dp[p][q][i][i+j]=min(dp[p][q][i][i+j]
,dp[p][q][i][d]+dp[p][q][d+1][i+j]);
dijkstra(i,i+j);
}
}
s=1e9;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
s=min(s,dp[i][j][1][o]);
if(s==1e9) s=-1;
cout<<s;
}
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);
solve();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6572 KB |
Output is correct |
2 |
Correct |
2 ms |
6748 KB |
Output is correct |
3 |
Correct |
2 ms |
6752 KB |
Output is correct |
4 |
Correct |
2 ms |
8796 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6572 KB |
Output is correct |
2 |
Correct |
2 ms |
6748 KB |
Output is correct |
3 |
Correct |
2 ms |
6752 KB |
Output is correct |
4 |
Correct |
2 ms |
8796 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
6 |
Correct |
2 ms |
6748 KB |
Output is correct |
7 |
Correct |
2 ms |
6748 KB |
Output is correct |
8 |
Correct |
2 ms |
8796 KB |
Output is correct |
9 |
Correct |
2 ms |
6748 KB |
Output is correct |
10 |
Correct |
2 ms |
8796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6572 KB |
Output is correct |
2 |
Correct |
2 ms |
6748 KB |
Output is correct |
3 |
Correct |
2 ms |
6752 KB |
Output is correct |
4 |
Correct |
2 ms |
8796 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
6 |
Correct |
2 ms |
6748 KB |
Output is correct |
7 |
Correct |
2 ms |
6748 KB |
Output is correct |
8 |
Correct |
2 ms |
8796 KB |
Output is correct |
9 |
Correct |
2 ms |
6748 KB |
Output is correct |
10 |
Correct |
2 ms |
8796 KB |
Output is correct |
11 |
Correct |
220 ms |
68352 KB |
Output is correct |
12 |
Correct |
17 ms |
67672 KB |
Output is correct |
13 |
Correct |
94 ms |
67856 KB |
Output is correct |
14 |
Incorrect |
139 ms |
67784 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6572 KB |
Output is correct |
2 |
Correct |
2 ms |
6748 KB |
Output is correct |
3 |
Correct |
2 ms |
6752 KB |
Output is correct |
4 |
Correct |
2 ms |
8796 KB |
Output is correct |
5 |
Correct |
2 ms |
8796 KB |
Output is correct |
6 |
Correct |
2 ms |
6748 KB |
Output is correct |
7 |
Correct |
2 ms |
6748 KB |
Output is correct |
8 |
Correct |
2 ms |
8796 KB |
Output is correct |
9 |
Correct |
2 ms |
6748 KB |
Output is correct |
10 |
Correct |
2 ms |
8796 KB |
Output is correct |
11 |
Correct |
220 ms |
68352 KB |
Output is correct |
12 |
Correct |
17 ms |
67672 KB |
Output is correct |
13 |
Correct |
94 ms |
67856 KB |
Output is correct |
14 |
Incorrect |
139 ms |
67784 KB |
Output isn't correct |
15 |
Halted |
0 ms |
0 KB |
- |