제출 #1004324

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1004324		u_suck_o	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	315 ms	37200 KiB

jobs

#include "bits/stdc++.h"
#define MAXN 100005

using namespace std;

int n, d, m;
vector<int> tasks[MAXN];

int main() {
    cin >> n >> d >> m;
    for (int i = 1; i <= m; i++) {
        int x; cin >> x;
        tasks[x].push_back(i);
    }
    //binary search on answer
    int l = 1, r = m;
    while (l < r) {
        int mid = (l+r)/2;
        //if (mid == 2) cout << "hi";
        queue<pair<int, int>> q;
        bool valid = true;
        for (int i = 1; i <= n; i++) {
            for (int j : tasks[i])
                q.push({j, i});
            for (int j = 1; j <= mid; j++) {
                if (!q.empty()) {
                    auto p = q.front(); q.pop();
                    if (i - p.second > d) {
                        valid = false;
                        break;
                    }
                } else
                    break;
            }
            if (!valid)
                break;
        }
        if (!q.empty())
            valid = false;
        if (valid)
            r = mid;
        else
            l = mid+1;
    }
    
    cout << r << "\n";
    //make assignments
    queue<pair<int, int>> q;
    vector<int> v[n];
    for (int i = 1; i <= n; i++) {
        for (int j : tasks[i])
            q.push({j, i});
        for (int j = 1; j <= r; j++) {
            if (!q.empty()) {
                v[i].push_back(q.front().first);
                q.pop();
            }
            else
                break;
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j : v[i])
            cout << j << " ";
        cout << "0\n";
    }
}

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