Submission #1214460

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214460		VMaksimoski008	Fuel Station (NOI20_fuelstation)	C++20	26 / 100	934 ms	7240 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());

    ll ans = 1e9; n++;
    for(int s=0; s<(1<<n); s++) {
        // cout << s << endl;
        ll ok = 1, mn = -1e9, sum = 0;
        if((s & (1 << (n-1))) == 0) continue;
        for(int i=1; i<=n; i++) {
            if(s & (1 << (i - 1))) {
                mn = max(mn, a[i][0] - sum);
                sum += a[i][1];
            }
        }
        for(int i=1; i<=n; i++) {
            if(s & (1 << (i - 1))) {
                if(mn > a[i][2]) ok = 0;
                // cout << i << " ";
            }
        }
        // cout << ": " << mn << " " << ok << endl;
        if(ok) ans = min(ans, mn);
    }

    cout << ans << '\n';
}

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