Submission #674275

#	Time	Username	Problem	Language	Result	Execution time	Memory
674275		thienbao1602	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	333 ms	64900 KiB

jobs

#include    <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
using namespace std;

const int N = 1e5 + 55;

int days, delay, number_jobs;
vector<pair<ll, ll>> jobs;
vector<ll> ans[N];

bool check(ll machine)
{
    for(int i=0; i<days; i++)
    {
        ans[i].clear();
    }

    ll id_job = 0;
    for(int i=0; i<days; i++)
    {
        int cur_machine = 0;
        while(cur_machine < machine)
        {
            if (jobs[id_job].fi > i + 1) break;

            if (jobs[id_job].fi <= delay + i + 1)
            {
                ans[i].pb(jobs[id_job].se);
                id_job++, cur_machine++;
            } else return false;

            if (id_job == number_jobs) return true;
        }
    }
    return (id_job == number_jobs);
}

ll bs(ll l, ll r)
{
    while(l < r)
    {
        ll m = (l + r) >> 1;
        if (check(m))
        {
            r = m;
        } else
        {
            l = m + 1;
        }
    }
    check(l);
    return l;
}

void solve()
{
    cin >> days >> delay >> number_jobs;
    for(int i=0; i<number_jobs; i++)
    {
        ll x;
        cin >> x;
        jobs.pb({x, i + 1});
    }

    sort(jobs.begin(), jobs.end());
    cout << bs(1, days) << "\n";

    for(int i=0; i<days; i++)
    {
        ans[i].pb(0);
    }

    for(int i=0; i<days; i++)
    {
        for(int j=0; j<(int)ans[i].size(); j++)
        {
            cout << ans[i][j] << " ";
        }
        cout << "\n";
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    solve();
    return 0;
}

• Subtask 1: 0 / 100