Submission #1213830

#	Time	Username	Problem	Language	Result	Execution time	Memory
1213830		VMaksimoski008	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	368 ms	25856 KiB

Main

#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() {
    int n, t; cin >> n >> t;
    vector<int> a(n+1);
    for(int i=1; i<=n; i++) cin >> a[i], a[i] %= t;
    sort(a.begin()+1, a.end());

    int ans = 1e9;
    
    multiset<int> st;
    for(int i=1; i<=n; i++) st.insert(a[i]);
    ans = *st.rbegin() - *st.begin();

    for(int i=n; i>=1; i--) {
        st.erase( st.find(a[i]) );
        st.insert(a[i]-t);
        ans = min(ans, *st.rbegin() - *st.begin());
    }

    cout << (ans + 1) / 2 << endl;
}

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