oj.uz

Submission #896273

# Submission time Handle Problem Language Result Execution time Memory
896273 2024-01-01T07:18:15 Z akkshaysr Job Scheduling (CEOI12_jobs) C++17
100 / 100
 321 ms 26872 KB 
#include <bits/stdc++.h>
#define fr first
#define se second
#define rep(i,a,b) for(int i = a; i < (b); ++i)
#define repr(i,a,b) for(int i = a; i > (b); --i)
#define sz(x) (int)(x).size()
#define all(x) (x).begin(),(x).end()
#define IN(i,l,r) (l<i&&i<r)
#define pb push_back
using namespace std;
typedef pair<int,int> pi;
typedef vector<int> vi;
typedef long long ll;
const int U = 1e6+2;
int N,D,M;
pi job[U];

pair<bool,vector<vi>> check(int m){
    vector<vi> s(N);
    int t=0;
    rep(day,1,N+1){
        rep(i,0,m){
            if(job[t].fr > day){
                break;
            }
            if(job[t].fr + D >= day){
                s[day-1].pb(job[t].se);
                ++t;
            }else{
                return {false,s};
            }
            if(t==M) return {true,s};
        }
    }
    return {false,s};
}

int main(){
    cin.tie(0)->sync_with_stdio(false);
    cin >> N >> D >> M;
    rep(i,0,M){
        cin >> job[i].fr;
        job[i].se = i+1;
    }
    sort(job,job+M);
    int lo=1,hi=M;
    vector<vi> s;
    while(lo < hi){
        ll m = (lo+hi)/2;
        pair<bool,vector<vi>> res = check(m);
        if(res.fr){
            hi = m;
            s = res.se;
        }else{
            lo = m+1;
        }
    }
    cout << hi << '\n';
    for(auto &v:s){
        for(auto &e:v){
            cout << e << ' ';
        }
        cout << "0\n";
    }
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 4628 KB Output is correct
2 Correct 26 ms 4628 KB Output is correct
3 Correct 22 ms 4628 KB Output is correct
4 Correct 22 ms 4624 KB Output is correct
5 Correct 23 ms 4808 KB Output is correct
6 Correct 22 ms 4592 KB Output is correct
7 Correct 21 ms 4592 KB Output is correct
8 Correct 22 ms 4628 KB Output is correct
9 Correct 57 ms 11288 KB Output is correct
10 Correct 59 ms 11252 KB Output is correct
11 Correct 28 ms 4160 KB Output is correct
12 Correct 67 ms 5740 KB Output is correct
13 Correct 82 ms 10596 KB Output is correct
14 Correct 135 ms 11928 KB Output is correct
15 Correct 155 ms 11376 KB Output is correct
16 Correct 205 ms 17744 KB Output is correct
17 Correct 244 ms 19792 KB Output is correct
18 Correct 251 ms 23428 KB Output is correct
19 Correct 321 ms 26872 KB Output is correct
20 Correct 251 ms 19580 KB Output is correct