Submission #1276239

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276239		nanaseyuzuki	Job Scheduling (CEOI12_jobs)	C++20	100 / 100	168 ms	21076 KiB

jobs

#include <bits/stdc++.h>
// Author: Kazuki_Will_Win_VOI_8703
#define fi first
#define se second
#define pii pair<int, int>
#define int long long
#define all(a) a.begin(), a.end()
using namespace std;

const int mn = 1e6 + 5;

int n, d, m, cnt[mn];
vector <pii> Megumi;

bool check(int mid){
    int left = mid, Reina = 1;
    for(int day = 1; day <= n; day++){
        if(Reina < day) Reina = day, left = mid;
        if(cnt[day] <= left) left -= cnt[day];
        else{
            int extra = cnt[day] - left;
            int add = (extra + mid - 1) / mid;
            Reina += add;
            left = add * mid - extra;
            if(Reina > day + d) return false;
        }
    }
    if(Reina > n) return false;
    return true;
}

void solve(){
    cin >> n >> d >> m;
    int r = 0;
    for(int i = 1; i <= m; i++){
        int x; cin >> x;
        Megumi.push_back({x, i});
        cnt[x] ++;
        r = max(r, cnt[x]);
    }
    int l = 1, ans = -1;
    sort(all(Megumi));
    while(l <= r){
        int mid = (l + r) >> 1;
        if(check(mid)){
            r = mid - 1;
            ans = mid;
        }
        else l = mid + 1;
    }
    cout << ans << '\n';
    int left = ans, Reina = 1;
    for(auto [day, i] : Megumi){
        while(Reina < day){
            cout << 0 << '\n';
            left = ans;
            Reina ++;
        }
        if(left == 0){
            cout << 0 << '\n';
            Reina ++, left = ans;
        }
        cout << i <<  ' ';
        left --;
    }
    while(Reina <= n){
        cout << 0 << '\n';
        Reina ++;
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t = 1;
    // cin >> t;
    while(t--){
        solve();
    }
}

• Subtask 1: 100 / 100