CSES - Datatähti 2021 alku - Results
Submission details
Task:2021-luvut
Sender:Ender
Submission time:2020-10-11 16:46:13 +0300
Language:C++ (C++11)
Status:READY
Result:25
Feedback
groupverdictscore
#1ACCEPTED10
#2ACCEPTED15
#30
#40
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3, 4details
#2ACCEPTED0.01 s1, 2, 3, 4details
#3ACCEPTED0.01 s1, 2, 3, 4details
#4ACCEPTED0.01 s1, 2, 3, 4details
#5ACCEPTED0.01 s1, 2, 3, 4details
#6ACCEPTED0.01 s1, 2, 3, 4details
#7ACCEPTED0.01 s1, 2, 3, 4details
#8ACCEPTED0.01 s1, 2, 3, 4details
#9ACCEPTED0.01 s1, 2, 3, 4details
#10ACCEPTED0.01 s1, 2, 3, 4details
#11ACCEPTED0.01 s2, 3, 4details
#12ACCEPTED0.01 s2, 3, 4details
#13ACCEPTED0.01 s2, 3, 4details
#14ACCEPTED0.01 s2, 3, 4details
#15ACCEPTED0.01 s2, 3, 4details
#16ACCEPTED0.01 s2, 3, 4details
#17ACCEPTED0.01 s2, 3, 4details
#18ACCEPTED0.01 s2, 3, 4details
#19ACCEPTED0.01 s2, 3, 4details
#20ACCEPTED0.01 s2, 3, 4details
#21ACCEPTED0.01 s3, 4details
#220.01 s3, 4details
#23ACCEPTED0.01 s3, 4details
#24ACCEPTED0.01 s3, 4details
#25ACCEPTED0.01 s3, 4details
#26ACCEPTED0.01 s3, 4details
#27ACCEPTED0.01 s3, 4details
#28ACCEPTED0.01 s3, 4details
#29ACCEPTED0.01 s3, 4details
#30ACCEPTED0.01 s3, 4details
#31ACCEPTED0.01 s4details
#32ACCEPTED0.01 s4details
#33ACCEPTED0.01 s4details
#34ACCEPTED0.01 s4details
#350.01 s4details
#36ACCEPTED0.01 s4details
#37ACCEPTED0.01 s4details
#380.01 s4details
#39ACCEPTED0.01 s4details
#40ACCEPTED0.01 s4details

Code

#include <bits/stdc++.h>
#define ll unsigned long long int

using namespace std;

ll powi(ll a, int b)
{
	if(b==0) return 1;

	ll ans = a;

	while(--b)
		ans *= a;

	return ans;
}

ll f(int k, int l, int p=1)
{
	if(k==1&&l==1) return 1;
	if(p==4) return powi(9,l-k)*powi(10,k-1);

	ll ans = 0;
	for(int i = 4-p; i<k; i++)
		ans += f(i, k-1, p+1);

	return ans*powi(9,l-k);
}

ll pik(int k, int l)
{
	ll ans = 0;
	for(int i = l; i<k; i++)
		ans+=f(i,k,5-l);
	return ans;
}

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

	ll n; cin >> n;
	int k = 20;
	string ans = "";

	while(--k)
	{
		ll pk = pik(k,4)/9;
		ll kk = f(k,k);
		if(n<=pk) continue;
		n-=pk;
		if(n<=pk)
		{
			ans+='1';
			continue;
		}
		n-=pk;
		
		if(n<=kk)
		{
			ans+='2';
			break;
		}

		n-=kk;
		
		int ki = 3;
		while(n>pk)
		{
			ki++;	
			n-=pk;
		}
		ans+=ki+'0';
	}


	while(--k)
	{
		ll pk = pik(k,3)/9;
		ll kk = f(k,k,2);
		if(n<=kk)
		{
			ans+='0';
			break;
		}
		n-=kk;

		int ki = 1;
		while(n>pk)
		{
			ki++;	
			n-=pk;
		}
		ans+=ki+'0';
	}

	while(--k)
	{
		ll pk = pik(k,2)/9;
		ll kk = f(k,k,3);
		if(n<=pk)
		{
			ans+='0';
			continue;
		}
		n-=pk;
		if(n<=pk)
		{
			ans+='1';
			continue;
		}
		n-=pk;
		
		if(n<=kk)
		{
			ans+='2';
			break;
		}
		n-=kk;

		int ki = 3;
		while(n>pk)
		{
			ki++;	
			n-=pk;
		}
		ans+=ki+'0';
	}

	while(--k)
	{
		ll pk = pik(k,1)/9;
		ll kk = f(k,k,4);


		if(n<=pk)
		{
			ans+='0';
			continue;
		}
		n-=pk;
		if(n<=kk)
		{
			ans+='1';
			break;
		}
		n-=kk;

		int ki = 2;
		while(n>pk)
		{
			ki++;	
			n-=pk;
		}
		ans+=ki+'0';
	}

	n--;
	if(k>1)
		ans+=string(k-to_string(n).length()-1,'0')+to_string(n);

	cout << ans << "\n";

	return 0;
}

Test details

Test 1

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
10

correct output
20214

user output
20214

Test 2

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
359

correct output
202661

user output
202661

Test 3

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
392

correct output
202819

user output
202819

Test 4

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
715

correct output
230721

user output
230721

Test 5

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
278

correct output
202219

user output
202219

Test 6

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
296

correct output
202318

user output
202318

Test 7

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
427

correct output
203214

user output
203214

Test 8

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
565

correct output
208212

user output
208212

Test 9

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
289

correct output
202311

user output
202311

Test 10

Group: 1, 2, 3, 4

Verdict: ACCEPTED

input
342

correct output
202581

user output
202581

Test 11

Group: 2, 3, 4

Verdict: ACCEPTED

input
964486

correct output
182502018

user output
182502018

Test 12

Group: 2, 3, 4

Verdict: ACCEPTED

input
110979

correct output
20296916

user output
20296916

Test 13

Group: 2, 3, 4

Verdict: ACCEPTED

input
759149

correct output
126108721

user output
126108721

Test 14

Group: 2, 3, 4

Verdict: ACCEPTED

input
234934

correct output
25023210

user output
25023210

Test 15

Group: 2, 3, 4

Verdict: ACCEPTED

input
610310

correct output
120288133

user output
120288133

Test 16

Group: 2, 3, 4

Verdict: ACCEPTED

input
956690

correct output
182027419

user output
182027419

Test 17

Group: 2, 3, 4

Verdict: ACCEPTED

input
608459

correct output
120281827

user output
120281827

Test 18

Group: 2, 3, 4

Verdict: ACCEPTED

input
944777

correct output
175260251

user output
175260251

Test 19

Group: 2, 3, 4

Verdict: ACCEPTED

input
880780

correct output
152270421

user output
152270421

Test 20

Group: 2, 3, 4

Verdict: ACCEPTED

input
418357

correct output
68202361

user output
68202361

Test 21

Group: 3, 4

Verdict: ACCEPTED

input
713294506861

correct output
20099206371786

user output
20099206371786

Test 22

Group: 3, 4

Verdict:

input
191431126351

correct output
4193020274761

user output
419320274761

Test 23

Group: 3, 4

Verdict: ACCEPTED

input
778422318223

correct output
20247733120134

user output
20247733120134

Test 24

Group: 3, 4

Verdict: ACCEPTED

input
931090767075

correct output
20691282041612

user output
20691282041612

Test 25

Group: 3, 4

Verdict: ACCEPTED

input
198806129726

correct output
4275365802196

user output
4275365802196

Test 26

Group: 3, 4

Verdict: ACCEPTED

input
724343399444

correct output
20128443204610

user output
20128443204610

Test 27

Group: 3, 4

Verdict: ACCEPTED

input
105064053560

correct output
2350677231115

user output
2350677231115

Test 28

Group: 3, 4

Verdict: ACCEPTED

input
236866700902

correct output
5872395029521

user output
5872395029521

Test 29

Group: 3, 4

Verdict: ACCEPTED

input
696349488695

correct output
20034225603103

user output
20034225603103

Test 30

Group: 3, 4

Verdict: ACCEPTED

input
30929267826

correct output
1205256095901

user output
1205256095901

Test 31

Group: 4

Verdict: ACCEPTED

input
576379198814226780

correct output
4185251600926331891

user output
4185251600926331891

Test 32

Group: 4

Verdict: ACCEPTED

input
291698664446913099

correct output
2280132983584730156

user output
2280132983584730156

Test 33

Group: 4

Verdict: ACCEPTED

input
693146378550043345

correct output
5270258230724009910

user output
5270258230724009910

Test 34

Group: 4

Verdict: ACCEPTED

input
685982323362439932

correct output
5236052744416920782

user output
5236052744416920782

Test 35

Group: 4

Verdict:

input
838865925103308874

correct output
6800200426815679149

user output
68200426815679149

Test 36

Group: 4

Verdict: ACCEPTED

input
766426223219980635

correct output
6112960212822572807

user output
6112960212822572807

Test 37

Group: 4

Verdict: ACCEPTED

input
652970397451919317

correct output
4923188580186259818

user output
4923188580186259818

Test 38

Group: 4

Verdict:

input
188458586650539464

correct output
1903508375720755921

user output
19358375720755921

Test 39

Group: 4

Verdict: ACCEPTED

input
157646989818721527

correct output
1525038392797601315

user output
1525038392797601315

Test 40

Group: 4

Verdict: ACCEPTED

input
898606361978236778

correct output
7326676702587314407

user output
7326676702587314407