Submission #450363

#	Time	Username	Problem	Language	Result	Execution time	Memory
450363		greenbinjack	Job Scheduling (CEOI12_jobs)	C++17	65 / 100	1097 ms	45540 KiB

jobs

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

typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll, ll> pi;
typedef vector<pi> vpi;
typedef map<ll, ll> mape;

#define rep(i, a, b) for(ll i=(ll)a;i<=(ll)b;i++)
#define per(i, a, b) for(ll i=(ll)a;i>=(ll)b;i--)
#define fastio {ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);}
#define pb push_back
#define mkp make_pair
#define all(v) v.begin(), v.end()
#define gap ' '
#define ff first
#define ss second
#define pie acos(-1.0)

const ll maxn = 1e5 + 10;
const ll INF = 1e9 + 10;
const double prec = 1e-8;

vector< vi > adj(maxn, vi());

void solve()
{
    ll days, delay, n;
    cin >> days >> delay >> n;
    vi v(n);
    rep(i, 0, n-1) cin >> v[i];
    vpi clone;
    rep(i, 0, n-1) clone.pb(mkp(v[i], i + 1));
    sort(all(clone));
    ll l = 0, r = n;
    while(l < r) {
        ll mid = (l + r) / 2;
        multiset<ll> st;
        rep(i, 0, mid - 1) st.insert(clone[i].ff);
        bool ok = true;
        rep(i, mid, n - 1) {
            ll x = *st.begin();
            st.erase(st.begin());
            if(x + 1 > clone[i].ff + delay) {
                ok = false;
                break;
            }
            else st.insert(max(x + 1, clone[i].ff));
        }
        if(ok) r = mid;
        else l = mid + 1;
    }
    cout << r << endl;
    multiset<ll> st;
    rep(i, 0, r-1) {
        st.insert(clone[i].ff);
        adj[clone[i].ff].pb(clone[i].ss);
    }
    rep(i, r, n-1) {
        ll x = *st.begin();
        st.erase(st.begin());
        ll mx = max(x + 1, clone[i].ff);
        adj[mx].pb(clone[i].ss);
        st.insert(mx);
    }
    rep(i, 1, days) {
        for(auto y : adj[i]) cout << y << ' ';
        cout << 0 << endl;
    }
}

int main()
{
    fastio;

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

    ll T = 1;
    //cin >> T;
    while(T--) solve();

    return 0;
}

/*
8 2 12
1 2 4 2 1 3 5 6 2 3 6 4
*/

• Subtask 1: 65 / 100