제출 #1294075

#제출 시각아이디문제언어결과실행 시간메모리
1294075zahra_Paprike (COI18_paprike)C++20
13 / 100
63 ms1196 KiB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
    ll n , k;
    cin >> n >> k;
    vector<ll>h(n + 1);
    for(int i = 1 ; i <= n ; i++){
        cin >> h[i];
    }
    for(int i = 0 ; i < n - 1 ; i++){
        ll x , y;
        cin >> x >> y;
    }
    ll ans = 0;
    ll sum = 0;
    for(int i = 1 ; i <= n ; i++){
        if(sum + h[i] <= k){
            sum += h[i];
        }else{
            ans++;
            sum = h[i];
        }
    }
    cout << ans << endl;
}
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