Submission #487916

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
487916	2021-11-17 04:05:02	niloyroot	Rigged Roads (NOI19_riggedroads)	C++14	100 / 100	389 ms	61124 KiB

riggedroads

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<ll>;
using pl = pair<ll,ll>;
#define pb push_back
#define form(m,it) for(auto it=m.begin(); it!=m.end(); it++)
#define forp(i,a,b) for(ll i=a; i<=b; i++)
#define forn(i,a,b) for(ll i=a; i>=b; i--)
#define newl '\n'
const ll mod = 1000000007;
void solve(){
    ll n,e; cin>>n>>e;
    vector<pl> edg;
    ll a,b;
    forp(i,1,e){
        cin>>a>>b;
        edg.pb({a,b});
    }
    vector<pl> adj[n+1];
    bool mst[e+1]={0};
    forp(i,1,n-1){
        ll t;
        cin>>t; t--;
        mst[t]=1;
        a=edg[t].first; b=edg[t].second;
        adj[a].pb({b,t});
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 19 / 19
• Subtask 3: 9 / 9
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 12 / 12
• Subtask 7: 32 / 32