Submission #1277258

#	Time	Username	Problem	Language	Result	Execution time	Memory
1277258		soab	Job Scheduling (CEOI12_jobs)	C++20	0 / 100	1097 ms	14460 KiB

jobs

// soab

#include <bits/stdc++.h>

using namespace std;

#define int long long 
#define nl '\n'
#define fi first
#define se second

void io() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
}   

const int maxn = 1e6 + 1;

int n, m, d;
pair<int,int> a[maxn];

bool check(int mid) {
    int id = 0;
    for(int i = 1; i <= n; i++) {
        if(id >= m) break;
        for(int j = 0; j < mid; j++) {
            if(id >= m) break;
            if(a[id].fi <= i) {
                if(i - a[id].fi <= d) id++;
                else return 0;
            }  
        }
    }
    return id == m;
}

signed main() {
    io();

    cin >> n >> d >> m;
    for(int i = 0; i < m; i++) {
        int t; cin >> t;
        a[i] = {t, i + 1};
    }

    sort(a, a + m);
    
    int l = 0, r = 1e8, ans;
    while(l <= r) {
        int mid = (l + r) / 2;
        if(check(mid)) {
            ans = mid;
            r = mid - 1;
        } else {
            l = mid + 1;
        }
    }

    cout << ans << nl;
    vector<vector<int>> v(n + 1);
    int id = 0;

    for(int i = 1; i <= n; i++) {
        if(id >= m) break;
        for(int j = 0; j < ans; j++) {
            if(id >= m) break;
            if(a[id].fi <= i) {
                if(i - a[id].fi <= d) {
                    v[i].push_back(a[id].se);
                    id++;
                } else break;
            } 
        }
    }

    for(int i = 1; i <= n - d; i++) {
        for(auto j : v[i]) cout << j << ' ';
        cout << 0 << nl;
    }
    
    cout << 0 << nl;

    return 0;
}   

• Subtask 1: 0 / 100