Submission #97640

#	Time	Username	Problem	Language	Result	Execution time	Memory
97640		dalgerok	Job Scheduling (CEOI12_jobs)	C++17	55 / 100	71 ms	8056 KiB

jobs

#include<bits/stdc++.h>
using namespace std;


const int N = 1e5 + 5;




int n, d, m, a[N], ans[N];
vector < int > q[N], s[N];


inline bool check(int x){
    queue < int > e;
    for(int i = 1; i <= n; i++){
        for(auto it : q[i]){
            e.push(it);
        }
        for(int j = 1; j <= x && !e.empty(); j++){
            if(a[e.front()] + d < i){
                return false;
            }
            ans[e.front()] = i;
            e.pop();
        }
    }
    return e.empty();
}

int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> n >> d >> m;
    for(int i = 1; i <= m; i++){
        cin >> a[i];
        q[a[i]].push_back(i);
    }
    int l = 1, r = m;
    while(l < r){
        int mid = (r + l) >> 1;
        if(check(mid)){
            r = mid;
        }
        else{
            l = mid + 1;
        }
    }
    check(l);
    for(int i = 1; i <= m; i++){
        s[ans[i]].push_back(i);
    }
    cout << l << "\n";
    for(int i = 1; i <= n; i++){
        for(auto it : s[i]){
            cout << it << " ";
        }
        cout << "0\n";
    }
}

• Subtask 1: 55 / 100