Submission #1002518

#	Time	Username	Problem	Language	Result	Execution time	Memory
1002518		kwongweng	Room Temperature (JOI24_ho_t1)	C++17	100 / 100	86 ms	7248 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef vector<vector<ll>> vll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define pb push_back
#define ms memset
#define fi first
#define se second

ll MOD = 998244353;
ll power(ll base, ll n){
    base %= MOD;
    if (n==0) return 1;
    ll halfn = power(base,n/2);
    if (n%2==0) return (halfn*halfn)%MOD;
    return (((halfn*halfn)%MOD)*base)%MOD;
}

void solve(){
    int n,T; cin>>n>>T;
    vi a(n); FOR(i,0,n) cin>>a[i];
    FOR(i,0,n) a[i]%=T;
    sort(a.begin(), a.end());
    int ans = a[n-1]-a[0];
    FOR(i,0,n-1){
        ans = min(ans, T+a[i]-a[i+1]);
    }
    cout<<(ans+1)/2<<"\n";
}

int main(){
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int TC = 1; //cin>>TC;
    while (TC--){
        solve();
    }
    return 0;
}

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