Submission #1242113

#	Time	Username	Problem	Language	Result	Execution time	Memory
1242113		nasjes	Room Temperature (JOI24_ho_t1)	C++20	35 / 100	1 ms	328 KiB

Main

#include <iostream>
#include <iomanip>
#include <vector>
#include <cmath>
#include <algorithm>
#include <set>
#include <queue>
#include <map>
#include <stack>
#include <bitset>
#include <string>
#include <cstring>
#include <iterator>
#include <random>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef long double ld;
const ll dim = 1e6+7;
//const ll mod = 1e9 + 7;
const ll inf = 1e18 + 77;
#define endl "\n"
#define fi first
#define pb push_back
#define se second
#define vll vector<ll>

ll n;
ll x;
ll a[dim];

int main() {
    cin>>n>>x;
    set<ll> s;
    for(int i=1; i<=n; i++){
        cin>>a[i];
        a[i]=a[i]%x;
        s.insert(a[i]);
    }
    ll mn=inf;
    sort(a+1, a+1+n);
    for(int i=1; i<=n; i++){
        ll mxos=(*s.rbegin());
        ll mnos=(*s.begin());
        mn=min(abs(mxos-mnos), mn);
        if(s.find(a[i])!=s.end())s.erase(a[i]);
        s.insert(x-a[i]);
    }
    cout<<(mn+1)/2<<endl;



    return 0;
}

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