Submission #916223

#	Time	Username	Problem	Language	Result	Execution time	Memory
916223		a_l_i_r_e_z_a	Job Scheduling (CEOI12_jobs)	C++17	0 / 100	245 ms	36548 KiB

jobs

// In the name of God
// Hope is last to die

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

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define pb push_back
#define S second
#define F first
#define mp make_pair
#define smax(x, y) (x) = max((x), (y))
#define smin(x, y) (x) = min((x), (y))
#define all(x) (x).begin(), (x).end()
#define len(x) ((int)(x).size())

const int maxn = 1e5 + 5, maxm = 1e6 + 5;
const int inf = 1e9 + 7;
int n, d, m;
pii a[maxm];
vector<int> vec[maxn];

bool check(int k){
    int cur = 0;
    for(int i = 1; i <= n; i++){
        vec[i].clear();
        int cnt = 0;
        while(cnt < k && cur < m && a[cur].F <= i && a[cur].F + d <= i){
            vec[i].pb(a[cur].S);
            cnt++;
            cur++;
        }
    }
    if(cur != m) return 0;
    return 1;
}

int32_t main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    cin >> n >> d >> m;
    for(int i = 0; i < m; i++){
        cin >> a[i].F;
        a[i].S = i + 1;
    }
    sort(a, a + m);
    int l = 0, r = m + 1;
    while(r - l > 1){
        int mid = (l + r) / 2;
        if(check(mid)) r = mid;
        else l = mid;
    }
    cout << l + 1 << '\n';
    check(l + 1);
    for(int i = 1; i <= n; i++){
        for(auto u: vec[i]) cout << u << ' ';
        cout << 0 << '\n';
    }

    return 0;
}

• Subtask 1: 0 / 100