Submission #1136338

#	Time	Username	Problem	Language	Result	Execution time	Memory
1136338		abhi_atg	Job Scheduling (CEOI12_jobs)	C++20	0 / 100	203 ms	40004 KiB

jobs

// Jai Shree Ram
#include<bits/stdc++.h>
using namespace std;
/* Abhi-Atg */
#define array int n;cin >> n;vector<long long> v(n);f(i,0,n)cin >> v[i];
#define out(_) for (auto &it :_){cout << it << " " ;}cout<<endl;
#define f(i,l,r) for(int i=l;i<r;i++)
#define ff(i,r,l) for(int i=r;i>=l;i--)
#define pb push_back
#define mod 1000000007
#define INDIA 998244353
#define ll long long 
#define all(v) v.begin(),v.end()
#define dbg cout << "Bharat\n"
#define yes cout << "YES\n"
#define no cout << "NO\n"
#define minus cout << "-1\n"

void solve(){
    int n,d,m;cin >> n >> d >> m;
    vector<pair<int,int>> v(m);
    f(i,0,m){
        cin >> v[i].first;
        v[i].second=i+1;
    }
    sort(all(v));
    int l=1,r=m;
    while(l<=r){
        int mid=(l+r)/2;
        int day=1;
        int ind=0;
        bool flag=true;
        while(day<=n && ind<m){
            int cnt=0;
            vector<int> ans;
            if(v[ind].first+d<day){
                flag=false;break;
            }
            while(ind<m && cnt<mid && v[ind].first+d>=day){
                cnt++;
                ind++;
            }
            day++;  
        }   
        if(flag)r=mid-1;
        else l=mid+1;
    }
    cout<<l<<"\n";
    vector<vector<int>> ans;
    int day=1;
    int ind=0;
    while(day<=n && ind<m){
        int cnt=0;
        vector<int> ans;
        while(ind<m && cnt<l && v[ind].first+d>=day){
            cnt++;
            ans.push_back(v[ind++].second);
        }
        ans.push_back(0);
        out(ans);
        day++;  
    }   
}


int main(){

    ios_base::sync_with_stdio(false);cin.tie(nullptr);
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif

    // freopen("input.in", "r", stdin);
    // freopen("output.out", "w", stdout);

    int t=1;
    // cin >> t;
    for(int _=1;_<=t;_++){
        // cout<<"Case #"<<_<<": ";
        solve();
    }

    return 0;
}

Compilation message (stderr)

jobs.cpp: In function 'int main()':
jobs.cpp:70:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
jobs.cpp:71:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |         freopen("output.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100