Submission #1148050

#	Time	Username	Problem	Language	Result	Execution time	Memory
1148050		MisterReaper	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	64 ms	2376 KiB

Main

#include <bits/stdc++.h>

using i64 = long long;

#ifdef DEBUG
    #include "debug.h"
#else
    #define debug(...) void(23)
#endif

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int N, T;
    std::cin >> N >> T;

    std::vector<int> A(N);
    for (int i = 0; i < N; ++i) {
        std::cin >> A[i];
        A[i] %= T;
    }

    std::sort(A.begin(), A.end());

    int ans = A[N - 1] - A[0];
    for (int i = 0; i + 1 < N; ++i) {
        ans = std::min(ans, (T + A[i] - A[i + 1]));
    }

    std::cout << (ans + 1) / 2 << '\n';

    return 0;
}

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