Submission #1034920

#	Time	Username	Problem	Language	Result	Execution time	Memory
1034920		CSQ31	Board Game (JOI24_boardgame)	C++17	0 / 100	22 ms	3668 KiB

Main

#pragma GCC optimize("Ofast") 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const int MAXN = 5e4+50;
vector<int>adj[MAXN];
int main()
{
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=0;i<m;i++){
        int u,v;
        cin>>u>>v;
        u--;
        v--;
        adj[u].pb(v);
        adj[v].pb(u);
    }
    string s;
    cin>>s;
    queue<int>q;
    for(int i=0;i<n;i++){
        if(s[i] == '1')q.push(i);
    }
    if(q.empty()){
        q.push(0);
        vector<int>d(n,n);
        d[0] = 0;
        while(!q.empty()){
            int v = q.front();
            q.pop();
            for(int x:adj[v]){
                if(d[x] > d[v]+1){
                    d[x] = d[v]+1;
                    q.push(x);
                }
            }
        }
        for(int i=0;i<n;i++)cout<<d[i]<<'\n';
    }

}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 7
• Subtask 3: 0 / 7
• Subtask 4: 0 / 19
• Subtask 5: 0 / 23
• Subtask 6: 0 / 9
• Subtask 7: 0 / 23
• Subtask 8: 0 / 9