CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:PauliK
Submission time:2019-10-05 23:21:55 +0300
Language:Python3 (PyPy3)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED24
#3ACCEPTED64
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1, 2, 3details
#2ACCEPTED0.05 s1, 2, 3details
#3ACCEPTED0.05 s1, 2, 3details
#4ACCEPTED0.05 s1, 2, 3details
#5ACCEPTED0.05 s1, 2, 3details
#6ACCEPTED0.10 s1, 2, 3details
#7ACCEPTED0.10 s1, 2, 3details
#8ACCEPTED0.11 s1, 2, 3details
#9ACCEPTED0.10 s1, 2, 3details
#10ACCEPTED0.11 s1, 2, 3details
#11ACCEPTED0.10 s1, 2, 3details
#12ACCEPTED0.05 s1, 2, 3details
#13ACCEPTED0.57 s2, 3details
#14ACCEPTED0.66 s2, 3details
#15ACCEPTED0.58 s2, 3details
#16ACCEPTED0.64 s2, 3details
#17ACCEPTED0.61 s2, 3details
#18ACCEPTED0.63 s2, 3details
#19ACCEPTED0.05 s2, 3details
#20ACCEPTED0.05 s2, 3details
#21ACCEPTED0.66 s3details
#22ACCEPTED0.86 s3details
#23ACCEPTED0.79 s3details
#24ACCEPTED0.86 s3details
#25ACCEPTED0.86 s3details
#26ACCEPTED0.76 s3details
#27ACCEPTED0.05 s3details
#28ACCEPTED0.05 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 digitstrev(x):
    return map(int, reversed(x))

def next10rev(x):
    res = 0
    carry = 0
    bit = 1
    for d in digitstrev(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 digitstrev(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 x:
        d = int(d)
        res <<= 1
        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):
        print(count_nums(*input().split()))

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: ACCEPTED

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

correct output
262145
262145
262145
262145
262145
...

user output
262145
262145
262145
262145
262145
...
Truncated

Test 22

Group: 3

Verdict: ACCEPTED

input
100000
179926689319432205 25677963778...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...
Truncated

Test 23

Group: 3

Verdict: ACCEPTED

input
100000
100110100011010101 11100011010...

correct output
74822
54944
140968
252594
23521
...

user output
74822
54944
140968
252594
23521
...
Truncated

Test 24

Group: 3

Verdict: ACCEPTED

input
100000
100110100011010102 11100011010...

correct output
74822
252594
94086
10836
11352
...

user output
74822
252594
94086
10836
11352
...
Truncated

Test 25

Group: 3

Verdict: ACCEPTED

input
100000
256779637786129463 25677963778...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...
Truncated

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