CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:Oltsuboi
Submission time:2019-10-12 19:16:57 +0300
Language:Ruby
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.07 s1, 2, 3details
#20.07 s1, 2, 3details
#30.07 s1, 2, 3details
#40.07 s1, 2, 3details
#50.07 s1, 2, 3details
#60.07 s1, 2, 3details
#70.07 s1, 2, 3details
#80.07 s1, 2, 3details
#90.07 s1, 2, 3details
#100.07 s1, 2, 3details
#110.07 s1, 2, 3details
#120.07 s1, 2, 3details
#130.20 s2, 3details
#140.28 s2, 3details
#150.53 s2, 3details
#160.53 s2, 3details
#170.28 s2, 3details
#180.28 s2, 3details
#190.07 s2, 3details
#200.07 s2, 3details
#210.20 s3details
#220.41 s3details
#23--3details
#24--3details
#250.41 s3details
#260.33 s3details
#270.07 s3details
#280.07 s3details

Code

def c (n)
	a = n.to_s.length()
	b = n.to_s[0].to_i
	if b > 1
		return 2 ** a
	else
		if a > 1
			return 2 ** (a - 1) + c(n.to_s[1..-1].to_i)
		else
			return 2 ** b
		end
	end
end

n = gets.to_i
r = Array.new(n)
for i in 0..n
	a, b = gets.chomp.split()
	a, b = a.to_i, b.to_i
	if a == 0
		r[i] = c(a)
	else
		r[i] = c(b) - c(a - 1)
	end
end
puts r.join("\n")

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
4
0 10
1 5
3 4
11 11

correct output
3
1
0
1

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 2

Group: 1, 2, 3

Verdict:

input
1
0 0

correct output
1

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 3

Group: 1, 2, 3

Verdict:

input
1
1000 1000

correct output
1

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 4

Group: 1, 2, 3

Verdict:

input
16
0 0
0 1
0 2
1 1
...

correct output
1
2
2
1
1
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 5

Group: 1, 2, 3

Verdict:

input
9
0 0
0 1
0 10
0 11
...

correct output
1
2
3
4
5
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 6

Group: 1, 2, 3

Verdict:

input
1000
0 1000
0 1000
0 1000
0 1000
...

correct output
9
9
9
9
9
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 7

Group: 1, 2, 3

Verdict:

input
1000
100 111
0 101
1 10
10 110
...

correct output
4
6
2
5
8
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 8

Group: 1, 2, 3

Verdict:

input
1000
480 564
753 988
479 909
32 973
...

correct output
0
0
0
4
0
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 9

Group: 1, 2, 3

Verdict:

input
1000
98 111
8 111
98 111
111 113
...

correct output
4
6
4
1
7
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 10

Group: 1, 2, 3

Verdict:

input
1000
0 0
1 1
2 2
3 3
...

correct output
1
1
0
0
0
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 11

Group: 1, 2, 3

Verdict:

input
1000
0 1000
0 999
1 1000
0 998
...

correct output
9
8
8
8
7
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 12

Group: 1, 2, 3

Verdict:

input
1
0 1000

correct output
9

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 13

Group: 2, 3

Verdict:

input
100000
0 100000
0 100000
0 100000
0 100000
...

correct output
33
33
33
33
33
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 14

Group: 2, 3

Verdict:

input
100000
86042 98295
30077 80920
45856 67174
3890 60412
...

correct output
0
0
0
16
0
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 15

Group: 2, 3

Verdict:

input
100000
11 10000
1111 11000
1011 1100
1110 1111
...

correct output
14
10
2
2
8
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 16

Group: 2, 3

Verdict:

input
100000
9 9999
1109 1110
112 1012
11098 11101
...

correct output
14
1
4
2
6
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 17

Group: 2, 3

Verdict:

input
100000
0 0
1 1
2 2
3 3
...

correct output
1
1
0
0
0
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 18

Group: 2, 3

Verdict:

input
100000
0 100000
0 99999
1 100000
0 99998
...

correct output
33
32
32
32
31
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 19

Group: 2, 3

Verdict:

input
3
99999 99999
99999 100000
100000 100000

correct output
0
1
1

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 20

Group: 2, 3

Verdict:

input
1
0 100000

correct output
33

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 21

Group: 3

Verdict:

input
100000
0 1000000000000000000
0 1000000000000000000
0 1000000000000000000
0 1000000000000000000
...

correct output
262145
262145
262145
262145
262145
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 22

Group: 3

Verdict:

input
100000
179926689319432205 25677963778...

correct output
0
0
0
0
0
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 23

Group: 3

Verdict:

input
100000
100110100011010101 11100011010...

correct output
74822
54944
140968
252594
23521
...

user output
(empty)

Test 24

Group: 3

Verdict:

input
100000
100110100011010102 11100011010...

correct output
74822
252594
94086
10836
11352
...

user output
(empty)

Test 25

Group: 3

Verdict:

input
100000
256779637786129463 25677963778...

correct output
0
0
0
0
0
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 26

Group: 3

Verdict:

input
100000
0 1000000000000000000
0 999999999999999999
1 1000000000000000000
0 999999999999999998
...

correct output
262145
262144
262144
262144
262143
...

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 27

Group: 3

Verdict:

input
3
999999999999999999 99999999999...

correct output
0
1
1

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...

Test 28

Group: 3

Verdict:

input
1
0 1000000000000000000

correct output
262145

user output
(empty)

Error:
input/code.rb:18:in `block in <main>': undefined method `chomp' for nil:NilClass (NoMethod...