Submission #896518

#	Time	Username	Problem	Language	Result	Execution time	Memory
896518		Abito	Vinjete (COI22_vinjete)	C++17	27 / 100	3073 ms	495940 KiB

Main

#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
//#define int long long
typedef unsigned long long ull;
using namespace std;
struct edge{
    int x,l,r;
};
const int N=1e5+5;
int n,m,ans[N];
vector<edge> adj[N];
bitset<N> bs[N],vis;
void bfs(){
    queue<int> q;q.push(1);vis[1]=1;
    while (!q.empty()){
        int x=q.front();
        q.pop();
        for (auto u:adj[x]){
            if (vis[u.x]) continue;
            bs[u.x]=bs[x];
            for (int i=u.l;i<=u.r;i++) bs[u.x][i]=1;
            vis[u.x]=1;
            q.push(u.x);
        }
    }return;
}
int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    cin>>n>>m;
    for (int i=1;i<n;i++){
        int x,y,l,r;
        cin>>x>>y>>l>>r;
        adj[x].pb({y,l,r});
        adj[y].pb({x,l,r});
    }bfs();
    for (int i=2;i<=n;i++) cout<<bs[i].count()<<endl;
    return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 13
• Subtask 3: 16 / 16
• Subtask 4: 0 / 29
• Subtask 5: 0 / 31