Submission #1117604

#	Time	Username	Problem	Language	Result	Execution time	Memory
1117604		vjudge1	Paprike (COI18_paprike)	C++17	13 / 100	27 ms	18020 KiB

paprike

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define ld long double
#define endl '\n'
#define pb push_back
#define speedyboy ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define all(x) x.begin() , x.end()
#define F first
#define S second
#define pll pair<ll , ll>
#define pss pair<string , string>
#define YES cout << "YES" << endl;
#define NO cout << "NO" << endl;


const ll sz = 5e5 + 5 , INF = 1e8 , MOD = 998244353;
ll a[sz];
vector<ll> g[sz];

ll i , j , k;
void solve(){
    ll n , m , sum = 0 , ans = 0;
    cin >> n >> m;
    for(i = 1 ; i <= n ; i++){
        cin >> a[i];
    }
    for(i = 1 ; i < n ; i++){
        ll u , v; cin >> u >> v;
        g[u].pb(v);
        g[v].pb(u);
    }
    for(i = 1 ; i <= n ; i++){
        if(sum + a[i] > m){
            ans++;
            sum = 0;
        }
        sum += a[i];
    }
    cout << ans << endl;
}

signed main(){
    speedyboy;
    ll t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
}

• Subtask 1: 0 / 11
• Subtask 2: 13 / 13
• Subtask 3: 0 / 27
• Subtask 4: 0 / 49