Submission #714997

# Submission time Handle Problem Language Result Execution time Memory
714997 2023-03-25T17:02:06 Z lumid Job Scheduling (CEOI12_jobs) C++17
100 / 100
239 ms 24152 KB
// Source: https://usaco.guide/general/io

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

typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef pair<ll, ll> pll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define fi first
#define se second
#define inp(n, a) vector<ll> a;for(int i=0;i<n;i++){ll now;cin>>now;a.pb(now);}
#define all(a) a.begin(),a.end()
#define show(a) for(long long i=0;i<(long long)(a.size()-1);i++)cout<<a[i]<<' ';cout<<a[a.size()-1];

long long binpow(long long a, long long b) {
    long long res = 1;
    while (b > 0) {
        if (b & 1)
            res = res * a;
        a = a * a;
        b >>= 1;
    }
    return res;
}

ll sum2(ll a, ll l, ll n){return (n*(a+l))/2;}
ll ceil2(ll a, ll b){return (a+b-1)/b;}

ll n,d,m;
vector<pll> a;

bool ok(ll x) {
	if(x>m)return true;
	ll day=1,ind=0;
	while(day<=n){
		for(ll i=0;i<x;i++){
			if(a[ind].fi>day)break;
			if(day-a[ind].fi>d)return false;
			ind++;
			if(ind==m)return true;
		}
		day++;
	}
	return true;
}

ll bs() {
	ll x=-1;
	for(ll b=20;b>=1;b/=2){
		while(!ok(x+b))x+=b;
	}
	return ++x;
}

void solve() {
	cin>>n>>d>>m;
	for(int i=0;i<m;i++){
		ll now;cin>>now;
		a.pb({now,i+1});
	}
	sort(all(a));
	ll ans=bs();
	cout<<ans<<'\n';
	// continue output the list of schedule
	ll day=1,ind=0;
	while(day<=n){
		for(ll i=0;i<ans;i++){
			if(ind==m)break;
			if(a[ind].fi>day)break;
			cout<<a[ind].se<<' ';
			ind++;
		}
		day++;
		cout<<"0\n";
	}
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);

	solve();
}
# Verdict Execution time Memory Grader output
1 Correct 188 ms 2880 KB Output is correct
2 Correct 172 ms 2820 KB Output is correct
3 Correct 154 ms 2820 KB Output is correct
4 Correct 172 ms 2820 KB Output is correct
5 Correct 156 ms 2824 KB Output is correct
6 Correct 145 ms 2828 KB Output is correct
7 Correct 152 ms 2872 KB Output is correct
8 Correct 151 ms 2824 KB Output is correct
9 Correct 30 ms 3048 KB Output is correct
10 Correct 31 ms 3012 KB Output is correct
11 Correct 28 ms 2924 KB Output is correct
12 Correct 55 ms 5604 KB Output is correct
13 Correct 97 ms 9724 KB Output is correct
14 Correct 103 ms 11212 KB Output is correct
15 Correct 191 ms 13520 KB Output is correct
16 Correct 164 ms 19404 KB Output is correct
17 Correct 228 ms 19408 KB Output is correct
18 Correct 239 ms 21200 KB Output is correct
19 Correct 235 ms 24152 KB Output is correct
20 Correct 189 ms 19248 KB Output is correct