Submission #1156976

#	Time	Username	Problem	Language	Result	Execution time	Memory
1156976		mychecksedad	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	61 ms	4172 KiB

Main

/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;


int n;
ll t, a[N];
ll get(ll x,ll y){
  if(x>y) swap(x,y);
  return min((y-x+1)/2, (x+t-y+1)/2);
}
void solve(){
  cin >> n >> t;
  for(int i = 1; i <= n; ++i){
    cin >> a[i];
    a[i] %= t;
  }
  sort(a+1, a+1+n);
  ll ans = (a[n]-a[1]+1)/2;
  for(int i = 1; i < n; ++i){
    ans = min(ans, (a[i] + t - a[i + 1] + 1)/2);
  }
  cout << ans;
}


int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tt = 1, aa;
  // freopen("in.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  while(tt--){
    solve();
    en;
  }
  cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n";
  return 0;
} 

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