Submission #1110229

#	Time	Username	Problem	Language	Result	Execution time	Memory
1110229		vjudge1	Board Game (JOI24_boardgame)	C++17	3 / 100	23 ms	4944 KiB

Main

#include<bits/stdc++.h>
#define INF 1e18
#define fi first
#define se second
#define FOR(i, k, n) for(ll i = k; i <= n; i++)
#define FOR1(i, k, n) for(ll i = k; i >= n; i--)
#define pb push_back
#define fastio ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define vi vector<int>
#define pii pair<int, int>
#define vii vector<pii>
#define ll long long
#define vll vector<ll>
#define pll pair<ll, ll>
#define re return 0
#define mii map<int, int>
#define input "BESIEGE.inp"
#define output "BESIEGE.out"
#define rf 	freopen(input, "r", stdin); freopen(output, "w", stdout)
using namespace std;
const int maxn = 5e4 + 5;
const int mod = 1e9 + 7;
const int base = 998244353;
void add(int &a, int b) 
{
	a += b; 
	if(a >= mod) a -= mod; 
	if(a < 0) a += mod; 
}
int dp[maxn], n, m, k;
bool vis[maxn];
int a[maxn];
vi adj[maxn];
void Dijkstra(int u)
{
	FOR(i, 1, n)
		dp[i] = 1e9;
	dp[u] = 0;
	priority_queue<pii, vii, greater<pii>> Q;
	Q.push({0, u});
	while(!Q.empty())
	{
		u = Q.top().se;
		Q.pop();
		if(vis[u])
			continue;
		vis[u] = 1;
		for(auto v : adj[u])
		{
			if(dp[v] > dp[u] + 1)
			{
				dp[v] = dp[u] + 1;
				Q.push({dp[v], v});
			}
		}
	}
}
int main()
{
	fastio;
	cin >> n >> m >> k;
	FOR(i, 1, m)
	{
		int u, v;
		cin >> u >> v;
		adj[u].pb(v);
		adj[v].pb(u);
	}
	string s;
	cin >> s;
	FOR(i, 1, k)
		cin >> a[i];
	Dijkstra(a[1]);
	FOR(i, 1, n)
		cout << dp[i] << "\n";
	re;
}

• Subtask 1: 3 / 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