Submission #1307293

#	Time	Username	Problem	Language	Result	Execution time	Memory
1307293		zhenja	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	104 ms	4656 KiB

Main

#include <iostream>
#include<string>
#include<cmath>
#include<map>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<set>
#include<cstdio>
#include<stack>
#include<ctime>
#include<queue>
#include<deque>
#include<bitset>
#include<random>
#include<fstream>
#include<unordered_map>
#include<unordered_set>

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,bmi,sse4,popcnt")

#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

mt19937 mt(52);
const int N = 5e5 + 2, inf = 1e9 + 100, mod = 1e9 + 7, P = 501928;
const ll llinf = 1e18 + 1000;

void solve() {
    int n, k;
    cin >> n >> k;
    vector<int> a;
    for (int i = 0; i < n; ++i) {
        int x;
        cin >> x;
        a.push_back(x % k);
        a.push_back(x % k + k);
    }
    sort(all(a));
    int mx = 0;
    for (int i = 0; i < n; ++i) mx = max(mx, a[i + 1] - a[i]);
    cout << (k - mx + 1) / 2;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
        cout << '\n';
        cout.flush();
    }
    return 0;
}

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