Submission #1275008

#	Time	Username	Problem	Language	Result	Execution time	Memory
1275008		muhammad-mutahir	Room Temperature (JOI24_ho_t1)	C++20	50 / 100	56 ms	720 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define print(l) for(auto i:l) cout<<i<<" ";cout<<endl;
#define input(t,l,n) vector<t>l(n);for(int i = 0;i<n;i++)cin>>l[i];
#define int long long
#define pb push_back
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
#define all(l) l.begin(),l.end()
#define pii pair<int,int>
#define fi first
#define se second

const int M = 998244853;

int inf = 1e18;

void io(){
    #ifndef ONLINE_JUDGE
    freopen("input.in","r",stdin);
    // freopen("outputf.in","w",stdout);
    #endif

    ios::sync_with_stdio(0);//DO NOT USE IN INTERACTIVE
    cin.tie(0), cout.tie(0);
    cout << fixed<<setprecision(9);

}

int n,T;

void solve(){
     cin>>n>>T;
     input(int,l,n);

      if(n == 2){
         sort(all(l));
         int x1,x2;
         if(l[0]%T <= l[1]%T){
             x1 = l[0] + (l[1]%T-l[0]%T);
             x2 = x1-T;
         }
         else{
             x1 = l[0] + (l[1]%T-l[0]%T);
             x2 = x1+T;
         }
         // cout<<x1<<" "<<x2<<endl;
         cout<<min((abs(l[0]-x1)+1)/2,(abs(l[0]-x2)+1)/2)<<endl;;
         return;
      }
        int ans = 1e18;
     for(int i = 1;i<=T;i++){
        int an = -1e18;
        for(int j:l){
            if(j >= i){
            int x1,x2;
            if(i%T <= j%T){
                x1 = i + (j%T-i%T);
                x2 = x1-T;
            }
            else{
                x1 = i + (j%T-i%T);
                x2 = x1+T;
            }
                an = max(an,min({abs(i-x1),abs(i-x2)}));
            }
            else{
                an = max(an,abs(i-j));
            }

        }
        ans = min(ans,an);
        an = 0;
     }
     cout<<ans<<endl;
}






signed main(){
    // io();
    int t = 1;

    while(t--) solve();

}

Compilation message (stderr)

Main.cpp: In function 'void io()':
Main.cpp:20:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     freopen("input.in","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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