CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:admaingo
Submission time:2017-09-27 15:47:00 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED7
#2ACCEPTED15
#3ACCEPTED27
#4ACCEPTED51
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.05 s1details
#5ACCEPTED0.04 s1details
#6ACCEPTED0.04 s1details
#7ACCEPTED0.03 s1details
#8ACCEPTED0.05 s1details
#9ACCEPTED0.03 s1details
#10ACCEPTED0.06 s1details
#11ACCEPTED0.04 s2details
#12ACCEPTED0.04 s2details
#13ACCEPTED0.04 s2details
#14ACCEPTED0.05 s2details
#15ACCEPTED0.05 s2details
#16ACCEPTED0.05 s2details
#17ACCEPTED0.04 s2details
#18ACCEPTED0.06 s2details
#19ACCEPTED0.04 s2details
#20ACCEPTED0.04 s2details
#21ACCEPTED0.07 s3details
#22ACCEPTED0.05 s3details
#23ACCEPTED0.04 s3details
#24ACCEPTED0.05 s3details
#25ACCEPTED0.04 s3details
#26ACCEPTED0.05 s3details
#27ACCEPTED0.04 s3details
#28ACCEPTED0.05 s3details
#29ACCEPTED0.04 s3details
#30ACCEPTED0.04 s3details
#31ACCEPTED0.07 s4details
#32ACCEPTED0.14 s4details
#33ACCEPTED0.07 s4details
#34ACCEPTED0.13 s4details
#35ACCEPTED0.10 s4details
#36ACCEPTED0.14 s4details
#37ACCEPTED0.11 s4details
#38ACCEPTED0.14 s4details
#39ACCEPTED0.12 s4details
#40ACCEPTED0.13 s4details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:53:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < res.size(); ++i) {
                               ^

Code

#include <iostream>
#include <vector>

const int inf = 1e9;

int gcd(int a, int b) {
	if (b > a) return gcd(b, a);
	if (b == 0) return a;
	return gcd(b, a%b);
}

int count(int a, int b) {
	if (b > a) return count(b,a);
	if (b == 1) return a-1;
	int div = a / b;
	return count(b,a-div*b) + div;
}
std::vector<int> produce (int a, int b) {
	std::vector<int> res;
	if (a != b) {
		if (a > b) {
			res = produce(a-b,b);
			res.push_back(0);
		} else {
			res = produce(a,b-a);
			res.push_back(1);
		}
	}
	return res;
}

int main() {
	int n;
	std::cin >> n;

	int min_a = -1;
	int min_b = -1;
	int steps = inf;

	for (int a = 1; a < n+2; a += 2) {
		int b = n+2-a;
		if (gcd(a,b) == 1) {
			int val = count(a,b);
			if (val < steps) {
				steps = val;
				min_a = a;
				min_b = b;
			}
		}
	}

	std::vector<int> res = produce(min_a, min_b);
	for (int i = 0; i < res.size(); ++i) {
		std::cout << res[i];
	}
	std::cout << '\n';
}

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
001

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
1110

Test 8

Group: 1

Verdict: ACCEPTED

input
8

correct output
1100

user output
0011

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
00100

Test 13

Group: 2

Verdict: ACCEPTED

input
90

correct output
111001010

user output
010100111

Test 14

Group: 2

Verdict: ACCEPTED

input
25

correct output
110010

user output
110010

Test 15

Group: 2

Verdict: ACCEPTED

input
82

correct output
111001101

user output
101100111

Test 16

Group: 2

Verdict: ACCEPTED

input
94

correct output
1100011110

user output
0111100011

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
001101101

Test 19

Group: 2

Verdict: ACCEPTED

input
98

correct output
110110010

user output
010011011

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
101001001101101

Test 22

Group: 3

Verdict: ACCEPTED

input
897

correct output
11101001101010

user output
10110011011011

Test 23

Group: 3

Verdict: ACCEPTED

input
4466

correct output
111101010110100101

user output
101001011010101111

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
01010010010010101

Test 27

Group: 3

Verdict: ACCEPTED

input
4608

correct output
11010110101001010

user output
01010010101101011

Test 28

Group: 3

Verdict: ACCEPTED

input
4625

correct output
111011001100101001

user output
100101001100110111

Test 29

Group: 3

Verdict: ACCEPTED

input
4611

correct output
11010101010101100

user output
00110101010101011

Test 30

Group: 3

Verdict: ACCEPTED

input
4917

correct output
10110100101010110

user output
01001011010101001

Test 31

Group: 4

Verdict: ACCEPTED

input
178555

correct output
1011010110110101010110110

user output
0100101001001010101001001

Test 32

Group: 4

Verdict: ACCEPTED

input
864856

correct output
10111010110110100100101010010

user output
01001010100100101101101011101

Test 33

Group: 4

Verdict: ACCEPTED

input
112146

correct output
1101110101011001100100110

user output
0110010011001101010111011

Test 34

Group: 4

Verdict: ACCEPTED

input
741124

correct output
1011010011010101100101011010

user output
0101101010011010101100101101

Test 35

Group: 4

Verdict: ACCEPTED

input
511902

correct output
1011010100011010100101001110

user output
0111001010010101100010101101

Test 36

Group: 4

Verdict: ACCEPTED

input
920019

correct output
11100100101101010101001101010

user output
01010110010101010110100100111

Test 37

Group: 4

Verdict: ACCEPTED

input
933943

correct output
10101011010100100110100111001

user output
01010100101011011001011000110

Test 38

Group: 4

Verdict: ACCEPTED

input
973410

correct output
1011010101011010101010101001

user output
1001010101010101101010101101

Test 39

Group: 4

Verdict: ACCEPTED

input
954943

correct output
10110110010011010100100110101

user output
10101100100101011001001101101

Test 40

Group: 4

Verdict: ACCEPTED

input
911674

correct output
1010110010110101010101010110

user output
0110101010101010110100110101