Submission #845179

#	Time	Username	Problem	Language	Result	Execution time	Memory
845179		vjudge1	Birmingham (COCI20_birmingham)	C++17	70 / 70	72 ms	10948 KiB

birmingham

#include <bits/stdc++.h>
using namespace std;
const int N =1e5+37;
#define int long long
vector<int> adj[N];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, m, a, b; cin >> n >> m >> a >> b;

    vector<int> c(a), vis(n, -1);

    for(auto &i: c) cin >> i, i--, vis[i]=0;


    queue<int> q;

    for(int i=0; i<a; i++){
        q.push(c[i]);
    }

    for(int i=0; i<m; i++){
        int x, y; cin >> x >> y;
        x--; y--;
        adj[x].push_back(y);
        adj[y].push_back(x);
    }

    while(q.size()){
        int v = q.front();
        q.pop();
        for(auto i: adj[v]){
            if(vis[i]==-1){
                vis[i]=vis[v]+1;
                q.push(i);
            }
        }
    }

    for(int l=0; l<n; l++){
        int k=(vis[l]+b-1)/b;
        int s=-1;

        for(int j=20; j>=0; j--){
            int tmp = s+(1<<j);
            if((tmp*(tmp+1))/2>=k) continue;
            s=tmp;
        }

        cout<<s+1<<" ";
    }
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
• Subtask 9: 5 / 5
• Subtask 10: 5 / 5
• Subtask 11: 5 / 5
• Subtask 12: 5 / 5
• Subtask 13: 5 / 5
• Subtask 14: 5 / 5