Submission #1285519

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285519		xnoel	Job Scheduling (CEOI12_jobs)	C++20	10 / 100	1097 ms	8704 KiB

jobs

#include <bits/stdc++.h>
using namespace std;
int n,delay,m; 
vector<pair<int,int>> vp;

bool alg(int x){
    int day=0,idx=0;
    for (int i=0;i<n;i++){
        day++;
        for (int j=0;j<x;j++){
            if (vp[idx].first+delay<day) return false;
            if (vp[idx].first<day) idx++;    
            if (idx>=m) return true;
        }
    }
    return false;
}

int main(){
    //freopen("1.in","r",stdin);       
    cin>>n>>delay>>m;

    for (int i=0;i<m;i++) {
        int day;
        cin>>day;
        vp.push_back({day,i+1});
    }
    sort(vp.begin(),vp.end());

    // for (int i=1;i<=4;i++){
    //     cout<<i<<" "<<alg(i)<<"\n";
    // }


    int low=1,high=m;
    while (low<high){
        int mid=(low+high)/2;
        if (alg(mid)) high=mid;
        else low=mid+1;
    }
    cout<<low<<"\n";
    for (int i=1;i<=n;i++){
        for (int j=0;j<low;j++){
            int idx=i*low+j;
            if (idx>=m) {
                break;
            }
            cout<<vp[idx].second<<" ";
        }
        cout<<"0\n";
    }
}

• Subtask 1: 10 / 100