Submission #768760

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
768760	2023-06-28 14:42:30	raysh07	Taxis (POI13_tak)	C++17	100 / 100	112 ms	4180 KiB

tak

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#include <bits/stdc++.h>
using namespace std;
 
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
#ifdef home
    freopen("in", "r", stdin);
    freopen("out", "w", stdout);
#endif
    int64_t m, d;
    int n;
    cin >> m >> d >> n;
 
    vector<int64_t> a(n);
    for (auto& x : a) cin >> x;
 
    sort(a.begin(), a.end(), greater<int64_t>());
 
    int64_t last_taxi;
    if (auto it = upper_bound(a.begin(), a.end(), m - d, greater<int64_t>()); it == a.begin())
        return cout << 0, 0;
    else {
        last_taxi = *prev(it);
        a.erase(prev(it));
    }
    int64_t mid = d - (last_taxi - (m - d)) / 2;
    // mid에 도착하면 한 번에 골인 가능
 
    int64_t pos = 0;
    int ans = 0;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10