제출 #1178274

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1178274		biank	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	63 ms	2376 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define forn(i,n) for(int i=0;i<int(n);i++)
#define forsn(i,s,n) for(int i=int(s);i<int(n);i++)
#define dforn(i,n) for(int i=int(n)-1;i>=0;i--)
#define dforsn(i,s,n) for(int i=int(n)-1;i>=int(s);i--)
#define fst first
#define snd second
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()

typedef long long ll;
typedef vector<ll> vll;
typedef vector<int> vi;
typedef pair<int,int> ii;

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n,t;
    cin>>n>>t;
    vi a(n);
    forn(i,n) cin>>a[i];
    forn(i,n) a[i]%=t;
    sort(all(a));
    if(a.front()==a.back()){
        cout<<"0\n";
        return 0;
    }
    ll ans=t;
    forn(i,n){
        ll mini=a[i];
        ll maxi=a[(i+n-1)%n];
        if(maxi<=mini) maxi+=t;
        ll mid=(mini+maxi)/2;
        ans=min(ans,max(maxi-mid,mid-mini));
    }
    cout<<ans<<'\n';
    
    return 0;
}

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