Submission #951952

#	Time	Username	Problem	Language	Result	Execution time	Memory
951952		Mohamed_Kachef06	Fuel Station (NOI20_fuelstation)	C++17	54 / 100	3087 ms	18192 KiB

FuelStation

#include <bits/stdc++.h>
using namespace std;
#define int long long 

void doWork(){
    int N , D;
    cin >> N >> D;
    vector<array<int, 3>> v;
    vector<int> B; 
    for (int i = 0 ; i < N ; i++){
        int x , a , b ;
        cin >> x >> a >> b;
        v.push_back({x , a , b});
        B.push_back(b); 
    }
    B.push_back(1e18);
    v.push_back({D , 0 , 0}); 
    sort(v.begin() , v.end()); 
    sort(B.begin() , B.end());     
    int ans = 1e18;
    for (int F = 0 ; F <= N ; F++){
        int mn = 0;
        int sum = 0; 
        for (int i = 0 ; i <= N ; i++){
            mn = min(mn , sum - v[i][0]); 
            if (B[F] <= v[i][2]) sum += v[i][1]; 
        }
        if (-mn <= B[F]) ans = min(ans , -mn); 
    }
    cout << ans; 
}

signed main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    doWork(); 
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 13
• Subtask 3: 17 / 17
• Subtask 4: 0 / 12
• Subtask 5: 19 / 19
• Subtask 6: 11 / 11
• Subtask 7: 0 / 21