Submission #1134338

#	Time	Username	Problem	Language	Result	Execution time	Memory
1134338		Aiperiii	Text editor (CEOI24_editor)	C++20	14 / 100	1272 ms	1114112 KiB

Main

#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
using namespace std;

vector <int> dis[1005];
signed main(){
    
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    
    int n;
    cin>>n;
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    vector <int> l(n);
    
    for(int i=0;i<n;i++){
        cin>>l[i];
        vector <int> v;
        dis[i+1].pb(-1);
        for(int j=0;j<l[i]+1;j++){
            dis[i+1].pb(-1);
        }
       
    }
    dis[a][b]=0;
    
    queue <pair <int,int> >  q;
    q.push({a,b});
    
    while(!q.empty()){
        int x=q.front().ff;
        int y=q.front().ss;
        q.pop();
        if(y-1>=1){
            if(dis[x][y-1]==-1){
                dis[x][y-1]=dis[x][y]+1;
                q.push({x,y-1});
            }
        }
        else if(x-1>=1){
            if(dis[x-1][l[x-2]+1]==-1){
                dis[x-1][l[x-2]+1]=dis[x][y]+1;
                q.push({x-1,l[x-2]+1});
            }
        }
        
        if(y+1<=l[x-1]+1){
            if(dis[x][y+1]==-1){
                dis[x][y+1]=dis[x][y]+1;
                q.push({x,y+1});
            }
        }
        else if(x+1<=n){
            if(dis[x+1][1]==-1){
                dis[x+1][1]=dis[x][y]+1;
                q.push({x+1,1});
            }
        }
        
        
        if(x-1>=1){
            if(dis[x-1][min(y,l[x-2]+1)]==-1){
                dis[x-1][min(y,l[x-2]+1)]=dis[x][y]+1;
                q.push({x-1,min(y,l[x-2]+1)});
            }
        }
        
        if(x+1<=n){
            if(dis[x+1][min(y,l[x]+1)]==-1){
                dis[x+1][min(y,l[x]+1)]=dis[x][y]+1;
                q.push({x+1,min(y,l[x]+1)});
            }
        }
    }
    cout<<dis[c][d]<<"\n";
}
/*

*/

• Subtask 0: 0 / 0
• Subtask 1: 0 / 5
• Subtask 2: 14 / 14
• Subtask 3: 0 / 26
• Subtask 4: 0 / 11
• Subtask 5: 0 / 44