CSES - Datatähti 2021 alku - Results
Submission details
Task:2021-luvut
Sender:jogr
Submission time:2020-09-30 14:01:33 +0300
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
Test results
testverdicttimegroup
#1--1, 2, 3, 4details
#2--1, 2, 3, 4details
#3--1, 2, 3, 4details
#4--1, 2, 3, 4details
#5--1, 2, 3, 4details
#6--1, 2, 3, 4details
#7--1, 2, 3, 4details
#8--1, 2, 3, 4details
#9--1, 2, 3, 4details
#10--1, 2, 3, 4details
#11--2, 3, 4details
#12--2, 3, 4details
#13--2, 3, 4details
#14--2, 3, 4details
#15--2, 3, 4details
#16--2, 3, 4details
#17--2, 3, 4details
#18--2, 3, 4details
#19--2, 3, 4details
#20--2, 3, 4details
#21--3, 4details
#22--3, 4details
#23--3, 4details
#24--3, 4details
#25--3, 4details
#26--3, 4details
#27--3, 4details
#28--3, 4details
#29--3, 4details
#30--3, 4details
#31--4details
#32--4details
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#38--4details
#39--4details
#40--4details

Compiler report

input/code.cpp: In function 'bool is_valid(long long int)':
input/code.cpp:11:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int ci = 0; ci < ns.length(); ci++) {
                      ~~~^~~~~~~~~~~~~
input/code.cpp:8:10: warning: unused variable 'checklist' [-Wunused-variable]
     char checklist[] = { '2', '0', '2', '1' };
          ^~~~~~~~~

Code

#include <iostream>
#include <string>
#include <cmath>

using namespace std;

bool is_valid(long long num) {
    char checklist[] = { '2', '0', '2', '1' };
    int index = 0;
    string ns = to_string(num);
    for (int ci = 0; ci < ns.length(); ci++) {
        if (index == 4) return true;          
    }
    if (index == 4) return true;
    else            return false;
}

int main() {    
    long long n; // the n:th to be found
    cin >> n;
    
    long long cn = 0; // current nth
    
    long long output = 0; // the - output..
    
    for (long long i = 2021; i < pow(10, 12); i++) {
        if (is_valid(i)) {
            cn++;
            //cout <<cn << " : " << i << endl;
        }
        if (cn == n && is_valid(i)) {
            output = i;
            break;
        }
    }
    
    cout << output;
    
    return 0;
}

Test details

Test 1

Group: 1, 2, 3, 4

Verdict:

input
10

correct output
20214

user output
(empty)

Test 2

Group: 1, 2, 3, 4

Verdict:

input
359

correct output
202661

user output
(empty)

Test 3

Group: 1, 2, 3, 4

Verdict:

input
392

correct output
202819

user output
(empty)

Test 4

Group: 1, 2, 3, 4

Verdict:

input
715

correct output
230721

user output
(empty)

Test 5

Group: 1, 2, 3, 4

Verdict:

input
278

correct output
202219

user output
(empty)

Test 6

Group: 1, 2, 3, 4

Verdict:

input
296

correct output
202318

user output
(empty)

Test 7

Group: 1, 2, 3, 4

Verdict:

input
427

correct output
203214

user output
(empty)

Test 8

Group: 1, 2, 3, 4

Verdict:

input
565

correct output
208212

user output
(empty)

Test 9

Group: 1, 2, 3, 4

Verdict:

input
289

correct output
202311

user output
(empty)

Test 10

Group: 1, 2, 3, 4

Verdict:

input
342

correct output
202581

user output
(empty)

Test 11

Group: 2, 3, 4

Verdict:

input
964486

correct output
182502018

user output
(empty)

Test 12

Group: 2, 3, 4

Verdict:

input
110979

correct output
20296916

user output
(empty)

Test 13

Group: 2, 3, 4

Verdict:

input
759149

correct output
126108721

user output
(empty)

Test 14

Group: 2, 3, 4

Verdict:

input
234934

correct output
25023210

user output
(empty)

Test 15

Group: 2, 3, 4

Verdict:

input
610310

correct output
120288133

user output
(empty)

Test 16

Group: 2, 3, 4

Verdict:

input
956690

correct output
182027419

user output
(empty)

Test 17

Group: 2, 3, 4

Verdict:

input
608459

correct output
120281827

user output
(empty)

Test 18

Group: 2, 3, 4

Verdict:

input
944777

correct output
175260251

user output
(empty)

Test 19

Group: 2, 3, 4

Verdict:

input
880780

correct output
152270421

user output
(empty)

Test 20

Group: 2, 3, 4

Verdict:

input
418357

correct output
68202361

user output
(empty)

Test 21

Group: 3, 4

Verdict:

input
713294506861

correct output
20099206371786

user output
(empty)

Test 22

Group: 3, 4

Verdict:

input
191431126351

correct output
4193020274761

user output
(empty)

Test 23

Group: 3, 4

Verdict:

input
778422318223

correct output
20247733120134

user output
(empty)

Test 24

Group: 3, 4

Verdict:

input
931090767075

correct output
20691282041612

user output
(empty)

Test 25

Group: 3, 4

Verdict:

input
198806129726

correct output
4275365802196

user output
(empty)

Test 26

Group: 3, 4

Verdict:

input
724343399444

correct output
20128443204610

user output
(empty)

Test 27

Group: 3, 4

Verdict:

input
105064053560

correct output
2350677231115

user output
(empty)

Test 28

Group: 3, 4

Verdict:

input
236866700902

correct output
5872395029521

user output
(empty)

Test 29

Group: 3, 4

Verdict:

input
696349488695

correct output
20034225603103

user output
(empty)

Test 30

Group: 3, 4

Verdict:

input
30929267826

correct output
1205256095901

user output
(empty)

Test 31

Group: 4

Verdict:

input
576379198814226780

correct output
4185251600926331891

user output
(empty)

Test 32

Group: 4

Verdict:

input
291698664446913099

correct output
2280132983584730156

user output
(empty)

Test 33

Group: 4

Verdict:

input
693146378550043345

correct output
5270258230724009910

user output
(empty)

Test 34

Group: 4

Verdict:

input
685982323362439932

correct output
5236052744416920782

user output
(empty)

Test 35

Group: 4

Verdict:

input
838865925103308874

correct output
6800200426815679149

user output
(empty)

Test 36

Group: 4

Verdict:

input
766426223219980635

correct output
6112960212822572807

user output
(empty)

Test 37

Group: 4

Verdict:

input
652970397451919317

correct output
4923188580186259818

user output
(empty)

Test 38

Group: 4

Verdict:

input
188458586650539464

correct output
1903508375720755921

user output
(empty)

Test 39

Group: 4

Verdict:

input
157646989818721527

correct output
1525038392797601315

user output
(empty)

Test 40

Group: 4

Verdict:

input
898606361978236778

correct output
7326676702587314407

user output
(empty)