Submission #1143306

#	Time	Username	Problem	Language	Result	Execution time	Memory
1143306		Luca7	Walk (POI13_spa)	C++20	12 / 100	291 ms	327680 KiB

spa

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
using namespace std;

#define ll long long

// ifstream cin("data.in");
// ofstream cout("data.out");

vector<ll> vpow;

vector<int> visited;

ll snr(int n,string s){
    ll x=0;
    for(ll i=0;i<n;i++){
        x+=(s[i]-'0')*((ll)1<<(n-i-1));
    }
    return x;
}

void dfs(ll p,ll n){
    visited[p]=1;
    for(int i=0;i<n;i++){
        ll p1;
        if(p&(1<<(i))){
            p1=p-(1<<(i));
        }
        else{
            p1=p+(1<<(i));
        }
        if(visited[p1]==0){
            dfs(p1,n);
        }
    }
}

int main(){
    ll n,k,i,j,x=0,y=0;
    string s;
    
    cin>>n>>k;
    cin>>s;
    x=snr(n,s);
    cin>>s;
    y=snr(n,s);

    visited.resize((1<<n)+2,0);
    for(i=0;i<k;i++){
        cin>>s;
        visited[snr(n,s)]=-1;
    }

    dfs(x,n);

    if(visited[y]==1){
        cout<<"TAK";
    }
    else{
        cout<<"NIE";
    }

    return 0;
}

• Subtask 1: 12 / 12
• Subtask 2: 0 / 12
• Subtask 3: 0 / 12
• Subtask 4: 0 / 12
• Subtask 5: 0 / 13
• Subtask 6: 0 / 13
• Subtask 7: 0 / 13
• Subtask 8: 0 / 13