Submission #1274869

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274869		hynmj	Room Temperature (JOI24_ho_t1)	C++20	85 / 100	15 ms	3708 KiB

Main

#include <bits/stdc++.h>
#define int long long
using namespace std;
const long long N = 2e5 + 5;
int a[N];
int b[N];

void solve()
{
    int n, t;
    cin >> n >> t;
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        b[i] = a[i] % t;
    }
    set<int> s;
    for (int i = 0; i < n; i++)
    {
        s.insert(b[i]);
    }
    int mn, mx;
    int ans = 1e18;

    for (int i = 0; i < n + 1; i++)
    {
        mn = *s.begin();
        mx = *s.rbegin();
        ans = min(ans, mx - mn);
        s.extract(mn);
        s.insert(mn + t);
    }
    cout << (ans + 1) / 2;
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
        cout << endl;
    }
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 5 / 5
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35
• Subtask 5: 0 / 15