CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:admaingo
Submission time:2017-10-14 14:37:42 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED7
#2ACCEPTED15
#3ACCEPTED27
#4ACCEPTED51
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.06 s1details
#3ACCEPTED0.07 s1details
#4ACCEPTED0.04 s1details
#5ACCEPTED0.04 s1details
#6ACCEPTED0.05 s1details
#7ACCEPTED0.06 s1details
#8ACCEPTED0.06 s1details
#9ACCEPTED0.06 s1details
#10ACCEPTED0.06 s1details
#11ACCEPTED0.07 s2details
#12ACCEPTED0.06 s2details
#13ACCEPTED0.05 s2details
#14ACCEPTED0.05 s2details
#15ACCEPTED0.06 s2details
#16ACCEPTED0.06 s2details
#17ACCEPTED0.05 s2details
#18ACCEPTED0.06 s2details
#19ACCEPTED0.05 s2details
#20ACCEPTED0.04 s2details
#21ACCEPTED0.05 s3details
#22ACCEPTED0.05 s3details
#23ACCEPTED0.05 s3details
#24ACCEPTED0.06 s3details
#25ACCEPTED0.06 s3details
#26ACCEPTED0.06 s3details
#27ACCEPTED0.04 s3details
#28ACCEPTED0.06 s3details
#29ACCEPTED0.05 s3details
#30ACCEPTED0.06 s3details
#31ACCEPTED0.09 s4details
#32ACCEPTED0.11 s4details
#33ACCEPTED0.04 s4details
#34ACCEPTED0.10 s4details
#35ACCEPTED0.08 s4details
#36ACCEPTED0.12 s4details
#37ACCEPTED0.12 s4details
#38ACCEPTED0.14 s4details
#39ACCEPTED0.11 s4details
#40ACCEPTED0.11 s4details

Code

#include <iostream>
using namespace std;

const int inf = 1e9;
int solve(int a, int b, int p) {
	int res = -1; // we finish at 1, 0 instead of 1, 1
	while(b) {
		int div = a / b; // how many times we reduce b+1 from a
		int tmp = a - div * b;
		if (p) {
			if (tmp) {
				for (int j = 0; j < div; ++j) cout << (p == 1 ? 1 : 0);
				p = -p;
			} else {
				for (int j = 0; j < div - 1; ++j) cout << (p == 1 ? 1 : 0);
				return 0;
			}
		} else {
			res += div;
		}
		a = b;
		b = tmp;
	}
	if (a > 1) return inf;
	return res;
}

int main() {
	int n;
	cin >> n;
	n += 2;
	int best = 0;
	int steps = inf;
	for (int i = 1; i <= n - i; ++i) {
		int val = solve(n-i,i,0);
		if (val < steps) {
			steps = val;
			best = i;
		}
	}
	solve(n-best, best, 1); 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
110

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
1100

Test 9

Group: 1

Verdict: ACCEPTED

input
9

correct output
1101

user output
1101

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
111001010

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
111001101

Test 16

Group: 2

Verdict: ACCEPTED

input
94

correct output
1100011110

user output
1100011110

Test 17

Group: 2

Verdict: ACCEPTED

input
100

correct output
1111001001

user output
1111001001

Test 18

Group: 2

Verdict: ACCEPTED

input
99

correct output
110010010

user output
110010010

Test 19

Group: 2

Verdict: ACCEPTED

input
98

correct output
110110010

user output
110110010

Test 20

Group: 2

Verdict: ACCEPTED

input
92

correct output
100110001

user output
100110001

Test 21

Group: 3

Verdict: ACCEPTED

input
1666

correct output
101101100100101

user output
101101100100101

Test 22

Group: 3

Verdict: ACCEPTED

input
897

correct output
11101001101010

user output
11101001101010

Test 23

Group: 3

Verdict: ACCEPTED

input
4466

correct output
111101010110100101

user output
111101010110100101

Test 24

Group: 3

Verdict: ACCEPTED

input
4240

correct output
11011001011010101

user output
11011001011010101

Test 25

Group: 3

Verdict: ACCEPTED

input
3089

correct output
1011001010100101

user output
1011001010100101

Test 26

Group: 3

Verdict: ACCEPTED

input
4697

correct output
11010101101010110

user output
11010101101010110

Test 27

Group: 3

Verdict: ACCEPTED

input
4608

correct output
11010110101001010

user output
11010110101001010

Test 28

Group: 3

Verdict: ACCEPTED

input
4625

correct output
111011001100101001

user output
111011001100101001

Test 29

Group: 3

Verdict: ACCEPTED

input
4611

correct output
11010101010101100

user output
11010101010101100

Test 30

Group: 3

Verdict: ACCEPTED

input
4917

correct output
10110100101010110

user output
10110100101010110

Test 31

Group: 4

Verdict: ACCEPTED

input
178555

correct output
1011010110110101010110110

user output
1011010110110101010110110

Test 32

Group: 4

Verdict: ACCEPTED

input
864856

correct output
10111010110110100100101010010

user output
10111010110110100100101010010

Test 33

Group: 4

Verdict: ACCEPTED

input
112146

correct output
1101110101011001100100110

user output
1101110101011001100100110

Test 34

Group: 4

Verdict: ACCEPTED

input
741124

correct output
1011010011010101100101011010

user output
1011010011010101100101011010

Test 35

Group: 4

Verdict: ACCEPTED

input
511902

correct output
1011010100011010100101001110

user output
1011010100011010100101001110

Test 36

Group: 4

Verdict: ACCEPTED

input
920019

correct output
11100100101101010101001101010

user output
11100100101101010101001101010

Test 37

Group: 4

Verdict: ACCEPTED

input
933943

correct output
10101011010100100110100111001

user output
10101011010100100110100111001

Test 38

Group: 4

Verdict: ACCEPTED

input
973410

correct output
1011010101011010101010101001

user output
1011010101011010101010101001

Test 39

Group: 4

Verdict: ACCEPTED

input
954943

correct output
10110110010011010100100110101

user output
10110110010011010100100110101

Test 40

Group: 4

Verdict: ACCEPTED

input
911674

correct output
1010110010110101010101010110

user output
1010110010110101010101010110