Submission #1281325

#	Time	Username	Problem	Language	Result	Execution time	Memory
1281325		altern23	Room Temperature (JOI24_ho_t1)	C++20	70 / 100	2092 ms	584 KiB

Main

#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define pii pair<ll, ll>
#define fi first
#define sec second
#define ld long double

#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")

const int MAXN = 5e5;
const ll INF = 1e18;
const int MOD = 1e9 + 7;

ll A[MAXN + 5];

int main(){
      ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
      int tc = 1;	
      // cin >> tc;
      for(;tc--;){
            ll N, T; cin >> N >> T;
            for(int i = 1; i <= N; i++){
                  cin >> A[i];
                  A[i] %= T;
            }

            ll ans = INF;
            for(int i = 0; i < T; i++){
                  ll cur = 0;
                  for(int j = 1; j <= N; j++){
                        cur = max(cur, min({abs(A[j] - i), abs((i + T) - A[j]), abs(i - (A[j] + T))}));
                  }
                  ans = min(ans, cur);
            }

            cout << ans << "\n";
      }
}

/*
3 6 5 1 5 1

*/

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