Submission #238700

#	Time	Username	Problem	Language	Result	Execution time	Memory
238700		Niya_R	Birmingham (COCI20_birmingham)	C++14	70 / 70	265 ms	9252 KiB

birmingham

#include <iostream>
#include<bits/stdc++.h>
using namespace std;
vector<int>v[100004];
queue<int>q1;
int used[100004];
int ans[100004];
void bfs()
{
    while(!q1.empty())
    {
        int x=q1.front();
        q1.pop();
        int sz=v[x].size();
        for(int i=0;i<sz;i++)
        {
            int nb=v[x][i];
            if(used[nb]==-1)
            {
                used[nb]=used[x]+1;
                q1.push(nb);
            }
        }
    }
}
int main()
{
    int n, m, q, k;
    cin>>n>>m>>q>>k;
    memset(used,-1,sizeof(used));
    for(int i=1; i<=q; i++)
    {
        int x;
        cin>>x;
        used[x]=0;
        ans[x]=0;
        q1.push(x);
    }
    for(int i=1; i<=m; i++)
    {
        int x,y;
        cin>>x>>y;
        v[x].push_back(y);
        v[y].push_back(x);
    }
    bfs();
    int br=q;
    for(int i=1;i<=200000;i++)
    {
         int l=0;
        for(int j=1;j<=n;j++)
        {
            if(used[j]>0)
            {
                l=1;
                used[j]-=i*k;
                if(used[j]<=0) ans[j]=i;
            }
        }
          if(l==0) break;
    }
    for(int i=1;i<=n;i++)
        cout<<ans[i]<<" ";
    cout<<endl;
    return 0;
}

Compilation message (stderr)

birmingham.cpp: In function 'int main()':
birmingham.cpp:47:9: warning: unused variable 'br' [-Wunused-variable]
     int br=q;
         ^~

• 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