제출 #805673

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
805673		HD1	Monthly railway pass (LMIO18_menesinis_bilietas)	C++14	6 / 100	445 ms	48988 KiB

menesinis_bilietas

// we all are lost trying to be someone.
#include <bits/stdc++.h>
#define fastio ios_base::sync_with_studio(0); cin.tie(0);
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define pb push_back
#define ss second
#define ff first
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> ii;
const int MAX=1e6;
const int inf=1e9;
const int mod=1e9+7;
vector<ii> gfo[MAX];
void solve(){
    ll n, m, u, v;
    char x;
    cin>>n>>m;
    for(ll i=0; i<m; i++){
        cin>>u>>v>>x;
        if(x=='A'){
            gfo[u].pb({v,1});
            gfo[v].pb({u,1});
        }
        else{
            gfo[u].pb({v,0});
            gfo[v].pb({u,0});
        }
    }
    ll ans=0;
    for(ll i=1; i<=n; i++){
        if(sz(gfo[i])==n-1)ans++;
    }
    cout<<ans<<endl;
    return;
}
int main(){
    solve();
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 6 / 6
• Subtask 3: 0 / 30
• Subtask 4: 0 / 35
• Subtask 5: 0 / 19