Submission #70064423

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define MOD 100007
#define N 1000005
vector<int> g[1005];
int dp[1005][105];
signed main()
{
//	freopen(".in","r",stdin);
// 	freopen(".out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int T;
    cin>>T;
    while(T--)
	{
        int n,m,k;
        cin>>n>>m>>k;
        string s;
        cin>>s;
        for(int i=0;i<m;i++)
		{
            int u,v;
            cin>>u>>v;
            g[u].push_back(v);
        }
        memset(dp,0,sizeof(dp));
        for(int i=1;i<=n;i++) dp[i][0]=s[i-1]=='A';
        for(int d=1;d<=k;d++){
            for(int u=1;u<=n;u++){
                int p=(k-d)%2==0?0:1;
                if(p==0){
                    dp[u][d]=0;
                    for(int v:g[u]) if(dp[v][d-1]){dp[u][d]=1;break;}
                }else{
                    dp[u][d]=1;
                    for(int v:g[u]) if(!dp[v][d-1]){dp[u][d]=0;break;}
                }
            }
        }
        cout<<(dp[1][k]?"Bob\n":"Alice\n");
    }
    return 0;
}

Submission Info

Judge Result