Submission #988490

#	Time	Username	Problem	Language	Result	Execution time	Memory
988490		hansenhe	Job Scheduling (CEOI12_jobs)	C++14	80 / 100	340 ms	42856 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
#define int long long
int n, d, m;
pair<int, int> req[1000005];
vector<vector<int>> out;
bool good(int mach){
    vector<vector<int>> each(n + 1);
    vector<int> day(mach + 1);
    int cur = 1;
    for (int i = 0; i < m; i++){
        day[cur] = max(day[cur] + 1, req[i].first);
        each[day[cur]].push_back(req[i].second);
        if (day[cur] - req[i].first > d){
            return false;
        }
        cur++;
        cur %= mach;
        if (cur == 0) cur = mach;
    }
    out = each;
    return true;
}
signed main(){
    ios::sync_with_stdio(false);
	cin.tie(nullptr);
	// freopen("split.in", "r", stdin);
	// freopen("split.out", "w", stdout);
    cin >> n >> d >> m;
    for (int i = 0; i < m; i++){
        cin >> req[i].first;
        req[i].second = i + 1;
    }
    sort(req, req + m);
    int a = 1, b = m;
    while (a != b){
        int mid = (a + b) / 2;
        if (good(mid)){
            b = mid;
        } else {
            a = mid + 1;
        }
    }
    cout << a << "\n";
    for (int i = 1; i <= n; i++){
        for (int x : out[i]){
            cout << x << " ";
        }
        cout << "0\n";
    }
}

• Subtask 1: 80 / 100