CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:Yytsi
Submission time:2017-10-03 11:42:16 +0300
Language:C++
Status:READY
Result:22
Feedback
groupverdictscore
#1ACCEPTED7
#2ACCEPTED15
#30
#40
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1details
#2ACCEPTED0.04 s1details
#3ACCEPTED0.05 s1details
#4ACCEPTED0.04 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.03 s1details
#7ACCEPTED0.04 s1details
#8ACCEPTED0.03 s1details
#9ACCEPTED0.04 s1details
#10ACCEPTED0.04 s1details
#11ACCEPTED0.05 s2details
#12ACCEPTED0.04 s2details
#13ACCEPTED0.03 s2details
#14ACCEPTED0.06 s2details
#15ACCEPTED0.05 s2details
#16ACCEPTED0.06 s2details
#17ACCEPTED0.05 s2details
#18ACCEPTED0.05 s2details
#19ACCEPTED0.04 s2details
#20ACCEPTED0.06 s2details
#21ACCEPTED0.06 s3details
#22ACCEPTED0.07 s3details
#230.17 s3details
#24ACCEPTED0.10 s3details
#25ACCEPTED0.06 s3details
#26ACCEPTED0.09 s3details
#27ACCEPTED0.10 s3details
#28ACCEPTED0.16 s3details
#29ACCEPTED0.10 s3details
#30ACCEPTED0.09 s3details
#310.20 s4details
#320.15 s4details
#330.14 s4details
#340.13 s4details
#350.18 s4details
#360.13 s4details
#370.17 s4details
#380.23 s4details
#390.14 s4details
#400.15 s4details

Compiler report

input/code.cpp: In function 'long int numberOfDistinct(std::string)':
input/code.cpp:16:37: warning: array subscript has type 'char' [-Wchar-subscripts]
   distinct = distinct - freqs[str[i]] + newSum;
                                     ^
input/code.cpp:17:15: warning: array subscript has type 'char' [-Wchar-subscripts]
   freqs[str[i]] = newSum;
               ^
input/code.cpp: In function 'int main()':
input/code.cpp:50:7: warning: unused variable 'm' [-Wunused-variable]
  long m = 0;
       ^

Code

#include <iostream>
#include <string>
#include <math.h>
#include <bitset>

using namespace std;

long numberOfDistinct(string str)
{
	long freqs[256] = {0};
	long distinct = 0;
	
	for (size_t i = 0; i < str.length(); i++)
	{
		long newSum = 1 + distinct;
		distinct = distinct - freqs[str[i]] + newSum;
		freqs[str[i]] = newSum;
	}
	
	return distinct;
}

string uintToBin(size_t m, size_t bits)
{
	string bin = "";
	size_t mask = 0x80000000u;
	while (mask > 0)
	{
		bin += ((m & mask) == 0) ? '0' : '1';
		mask >>= 1;
	}
	
	size_t len = bin.size();
	
	return bin.substr(len - bits);
}


int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	long n;
	cin >> n;
	//int base = (int)log2(n);
	
	//cout << base << "\n";
	
	long m = 0;
	size_t upperBound = 150000;
	for (size_t i = 1; i < upperBound; i++)
	{
		size_t bits = (size_t)log2(i) + 1;
		string bString = uintToBin(i, bits);
		long subCount = numberOfDistinct(bString);
		
		if (n == subCount)
		{
			cout << bString;
			break;
		}
		//m = max(subCount, m);
	}
	
	//cout << m << "\n";
	//cout << numberOfDistinct(str) << "\n";
	
	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1

correct output
1

user output
1

Test 2

Group: 1

Verdict: ACCEPTED

input
2

correct output
11

user output
11

Test 3

Group: 1

Verdict: ACCEPTED

input
3

correct output
10

user output
10

Test 4

Group: 1

Verdict: ACCEPTED

input
4

correct output
1111

user output
1111

Test 5

Group: 1

Verdict: ACCEPTED

input
5

correct output
110

user output
100

Test 6

Group: 1

Verdict: ACCEPTED

input
6

correct output
101

user output
101

Test 7

Group: 1

Verdict: ACCEPTED

input
7

correct output
1110

user output
1000

Test 8

Group: 1

Verdict: ACCEPTED

input
8

correct output
1100

user output
1100

Test 9

Group: 1

Verdict: ACCEPTED

input
9

correct output
1101

user output
1011

Test 10

Group: 1

Verdict: ACCEPTED

input
10

correct output
1001

user output
1001

Test 11

Group: 2

Verdict: ACCEPTED

input
38

correct output
1101011

user output
1101011

Test 12

Group: 2

Verdict: ACCEPTED

input
13

correct output
11011

user output
11011

Test 13

Group: 2

Verdict: ACCEPTED

input
90

correct output
111001010

user output
100100010

Test 14

Group: 2

Verdict: ACCEPTED

input
25

correct output
110010

user output
101100

Test 15

Group: 2

Verdict: ACCEPTED

input
82

correct output
111001101

user output
100010011

Test 16

Group: 2

Verdict: ACCEPTED

input
94

correct output
1100011110

user output
1000011100

Test 17

Group: 2

Verdict: ACCEPTED

input
100

correct output
1111001001

user output
1001001111

Test 18

Group: 2

Verdict: ACCEPTED

input
99

correct output
110010010

user output
100011010

Test 19

Group: 2

Verdict: ACCEPTED

input
98

correct output
110110010

user output
100111010

Test 20

Group: 2

Verdict: ACCEPTED

input
92

correct output
100110001

user output
100011001

Test 21

Group: 3

Verdict: ACCEPTED

input
1666

correct output
101101100100101

user output
100100010101010

Test 22

Group: 3

Verdict: ACCEPTED

input
897

correct output
11101001101010

user output
10100010110100

Test 23

Group: 3

Verdict:

input
4466

correct output
111101010110100101

user output
(empty)

Test 24

Group: 3

Verdict: ACCEPTED

input
4240

correct output
11011001011010101

user output
10101011010011011

Test 25

Group: 3

Verdict: ACCEPTED

input
3089

correct output
1011001010100101

user output
1010010101001101

Test 26

Group: 3

Verdict: ACCEPTED

input
4697

correct output
11010101101010110

user output
10010101001010100

Test 27

Group: 3

Verdict: ACCEPTED

input
4608

correct output
11010110101001010

user output
10101101010010100

Test 28

Group: 3

Verdict: ACCEPTED

input
4625

correct output
111011001100101001

user output
100010101110110110

Test 29

Group: 3

Verdict: ACCEPTED

input
4611

correct output
11010101010101100

user output
10101101011010100

Test 30

Group: 3

Verdict: ACCEPTED

input
4917

correct output
10110100101010110

user output
10010101011010010

Test 31

Group: 4

Verdict:

input
178555

correct output
1011010110110101010110110

user output
(empty)

Test 32

Group: 4

Verdict:

input
864856

correct output
10111010110110100100101010010

user output
(empty)

Test 33

Group: 4

Verdict:

input
112146

correct output
1101110101011001100100110

user output
(empty)

Test 34

Group: 4

Verdict:

input
741124

correct output
1011010011010101100101011010

user output
(empty)

Test 35

Group: 4

Verdict:

input
511902

correct output
1011010100011010100101001110

user output
(empty)

Test 36

Group: 4

Verdict:

input
920019

correct output
11100100101101010101001101010

user output
(empty)

Test 37

Group: 4

Verdict:

input
933943

correct output
10101011010100100110100111001

user output
(empty)

Test 38

Group: 4

Verdict:

input
973410

correct output
1011010101011010101010101001

user output
(empty)

Test 39

Group: 4

Verdict:

input
954943

correct output
10110110010011010100100110101

user output
(empty)

Test 40

Group: 4

Verdict:

input
911674

correct output
1010110010110101010101010110

user output
(empty)