Submission #1232097

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232097		chikien2009	Job Scheduling (CEOI12_jobs)	C++20	100 / 100	206 ms	13456 KiB

jobs

#include <bits/stdc++.h>

using namespace std;

void setup()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}

int n, m, d, a, l, r, mid, res;
vector<int> v[100000];
deque<pair<int, int>> dq;

inline bool Check(int inp)
{
    dq.clear();
    for (int i = 0; i < n; ++i)
    {
        for (auto & j : v[i])
        {
            dq.push_back({i + d, j});
        }
        if (!dq.empty() && dq.front().first < i)
        {
            return false;
        }
        for (int j = 0; j < inp && !dq.empty(); ++j)
        {
            dq.pop_front();
        }
    }
    return dq.empty();
}

int main()
{
    setup();

    cin >> n >> d >> m;
    for (int i = 0; i < m; ++i)
    {
        cin >> a;
        v[a - 1].push_back(i + 1);
    }
    l = 1;
    r = 1000000;
    while (l <= r)
    {
        mid = (l + r) >> 1;
        if (Check(mid))
        {
            res = mid;
            r = mid - 1;
        }
        else
        {
            l = mid + 1;
        }
    }
    cout << res << "\n";
    dq.clear();
    for (int i = 0; i < n; ++i)
    {
        for (auto & j : v[i])
        {
            dq.push_back({i + d, j});
        }       
        for (int j = 0; j < res && !dq.empty(); ++j)
        {
            cout << dq.front().second << " ";
            dq.pop_front();
        }
        cout << "0\n";
    }
    return 0;
}

• Subtask 1: 100 / 100