Submission #1013824

#	Time	Username	Problem	Language	Result	Execution time	Memory
1013824		Almonther	Tales of seafaring (POI13_mor)	C++98	0 / 100	53 ms	59492 KiB

mor

#include <bits/stdc++.h>

#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
//#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
short n,m,k;
short dist[5001][5001][2];
bitset<5001>vis[5001][2];
vector<short>v[5001];
void bfs(short x){
    queue<pair<short,short>>q;
    q.push({x,0});
    while(q.size()){
        auto inp=q.front();
        q.pop();
        short a,b;
        a=inp.first;
        b=inp.second;
        if(vis[x][a][b%2]||dist[x][a][b%2]!=0) continue;
        vis[x][a][b%2]=1;
        dist[x][a][b%2]=b;
        for(auto i:v[a]){
            q.push({i,b+1});
        }
    }
}
void solve(){
    cin>>n>>m>>k;
    for(int i=0;i<m;i++){
        short a,b;
        cin>>a>>b;
        v[a].push_back(b);
        v[b].push_back(a);
    }
    for(int i=1;i<=n;i++) bfs(i);
    while(k--){
        short a,b;
        int c;
        cin>>a>>b>>c;
        if(a==b){
            if(c%2==1){
                if(dist[a][b][c%2]!=0) co "TAK\n";
                else co "NIE\n";
            }
            else if(v[a].size()) co "TAK\n";
            else co "NIE\n";
        }
        else if(dist[a][b][c%2]<=c&&dist[a][b][c%2]!=0) co "TAK\n";
        else co "NIE\n";
    }
}

int main()
{
    suiii
    int tt=1;
    // cin>>tt;
    while(tt--){
        solve();
    }
    return 0;
}

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