Submission #1214454

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214454		VMaksimoski008	Fuel Station (NOI20_fuelstation)	C++20	24 / 100	3094 ms	7440 KiB

FuelStation

#include <bits/stdc++.h>
#define ar array
//#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const ll inf = 1e18;
const int N = 1e5 + 5;

signed main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0); cin.tie(0);

    int n, m; cin >> n >> m;
    vector<ar<int, 3> > a(n+1);
    for(int i=1; i<=n; i++) cin >> a[i][0] >> a[i][1] >> a[i][2];
    a.push_back({ m, 0, m });
    sort(a.begin()+1, a.end());

    int ans = 1e9; n++;
    for(int d=m; d>=0; d--) {
        ll curr = d;
        int ok = 1;
        for(int i=1; i<=n; i++) {
            if(a[i][0] - a[i-1][0] <= curr) {
                curr -= (a[i][0] - a[i-1][0]);
                if(a[i][2] >= d) curr += a[i][1];
            } else ok = 0;
        }
        if(ok) ans = d;
    }
    cout << ans << '\n';
}

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