CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:PauliK
Submission time:2019-10-02 17:29:50 +0300
Language:Python3 (CPython3)
Status:READY
Result:36
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED24
#30
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1, 2, 3details
#2ACCEPTED0.02 s1, 2, 3details
#3ACCEPTED0.02 s1, 2, 3details
#4ACCEPTED0.02 s1, 2, 3details
#5ACCEPTED0.02 s1, 2, 3details
#6ACCEPTED0.03 s1, 2, 3details
#7ACCEPTED0.03 s1, 2, 3details
#8ACCEPTED0.03 s1, 2, 3details
#9ACCEPTED0.03 s1, 2, 3details
#10ACCEPTED0.03 s1, 2, 3details
#11ACCEPTED0.03 s1, 2, 3details
#12ACCEPTED0.02 s1, 2, 3details
#13ACCEPTED0.58 s2, 3details
#14ACCEPTED0.68 s2, 3details
#15ACCEPTED0.66 s2, 3details
#16ACCEPTED0.65 s2, 3details
#17ACCEPTED0.67 s2, 3details
#18ACCEPTED0.59 s2, 3details
#19ACCEPTED0.02 s2, 3details
#20ACCEPTED0.02 s2, 3details
#21--3details
#22--3details
#23--3details
#24--3details
#25--3details
#26ACCEPTED0.98 s3details
#27ACCEPTED0.02 s3details
#28ACCEPTED0.03 s3details

Code

#!/usr/bin/env python3
import math
def is10(x):
return (set(str(x)) | set("01")) == set("01")
def digits_reversed(x):
while x > 9:
yield x % 10
x //= 10
yield x
def digits_slow(x):
yield from reversed(list(digits_reversed(x)))
def digits(x):
if x == 0:
yield 0
return
h = math.floor(math.log10(x))
while h >= 0:
yield (x // 10**h) % 10
h -= 1
def next10rev(x):
res = 0
carry = 0
bit = 1
for d in digits_reversed(x):
bit <<= 1
d += carry
if d > 1:
res &= ~(bit - 1)
carry = 1
else:
res |= (bit >> 1) * d
carry = 0
res |= carry * bit
return res
def next10opt(x):
big = False
res = 0
carry = 0
for d in digits(x):
res *= 2
carry *= 2
if big:
continue
if d > 1:
big = True
carry += 1
else:
res += d
carry *= 2
return res + carry
def prev10rev(x):
res = 0
bit = 1
for d in digits_reversed(x):
bit <<= 1
if d > 1:
res |= bit - 1
else:
res |= (bit >> 1) * d
return res
def prev10opt(x):
res = 0
big = False
for d in digits(x):
res *= 2
if big or d > 1:
res += 1
big = True
else:
res += d
return res
def count_nums(a, b):
return prev10rev(b) - next10rev(a) + 1
def main():
n = int(input())
inputs = []
for _ in range(n):
inputs.append(input().split())
for a, b in inputs:
print(count_nums(int(a), int(b)))
if __name__ == "__main__":
main()

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
4
0 10
1 5
3 4
11 11

correct output
3
1
0
1

user output
3
1
0
1

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
0 0

correct output
1

user output
1

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
1000 1000

correct output
1

user output
1

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
16
0 0
0 1
0 2
1 1
...

correct output
1
2
2
1
1
...

user output
1
2
2
1
1
...

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
9
0 0
0 1
0 10
0 11
...

correct output
1
2
3
4
5
...

user output
1
2
3
4
5
...

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
9
9
9
9
9
...

user output
9
9
9
9
9
...
Truncated

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
4
6
2
5
8
...

user output
4
6
2
5
8
...
Truncated

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
0
0
0
4
0
...

user output
0
0
0
4
0
...
Truncated

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
4
6
4
1
7
...

user output
4
6
4
1
7
...
Truncated

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

input
1000
0 0
1 1
2 2
3 3
...

correct output
1
1
0
0
0
...

user output
1
1
0
0
0
...
Truncated

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

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

correct output
9
8
8
8
7
...

user output
9
8
8
8
7
...
Truncated

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
0 1000

correct output
9

user output
9

Test 13

Group: 2, 3

Verdict: ACCEPTED

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

correct output
33
33
33
33
33
...

user output
33
33
33
33
33
...
Truncated

Test 14

Group: 2, 3

Verdict: ACCEPTED

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

correct output
0
0
0
16
0
...

user output
0
0
0
16
0
...
Truncated

Test 15

Group: 2, 3

Verdict: ACCEPTED

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

correct output
14
10
2
2
8
...

user output
14
10
2
2
8
...
Truncated

Test 16

Group: 2, 3

Verdict: ACCEPTED

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

correct output
14
1
4
2
6
...

user output
14
1
4
2
6
...
Truncated

Test 17

Group: 2, 3

Verdict: ACCEPTED

input
100000
0 0
1 1
2 2
3 3
...

correct output
1
1
0
0
0
...

user output
1
1
0
0
0
...
Truncated

Test 18

Group: 2, 3

Verdict: ACCEPTED

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

correct output
33
32
32
32
31
...

user output
33
32
32
32
31
...
Truncated

Test 19

Group: 2, 3

Verdict: ACCEPTED

input
3
99999 99999
99999 100000
100000 100000

correct output
0
1
1

user output
0
1
1

Test 20

Group: 2, 3

Verdict: ACCEPTED

input
1
0 100000

correct output
33

user output
33

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)

Test 22

Group: 3

Verdict:

input
100000
179926689319432205 25677963778...

correct output
0
0
0
0
0
...

user output
(empty)

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)

Test 26

Group: 3

Verdict: ACCEPTED

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

correct output
262145
262144
262144
262144
262143
...

user output
262145
262144
262144
262144
262143
...
Truncated

Test 27

Group: 3

Verdict: ACCEPTED

input
3
999999999999999999 99999999999...

correct output
0
1
1

user output
0
1
1

Test 28

Group: 3

Verdict: ACCEPTED

input
1
0 1000000000000000000

correct output
262145

user output
262145