CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:TrixterTheTux
Submission time:2019-10-05 13:03:31 +0300
Language:PyPy2
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED24
#3ACCEPTED64
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2, 3details
#2ACCEPTED0.04 s1, 2, 3details
#3ACCEPTED0.04 s1, 2, 3details
#4ACCEPTED0.04 s1, 2, 3details
#5ACCEPTED0.04 s1, 2, 3details
#6ACCEPTED0.07 s1, 2, 3details
#7ACCEPTED0.08 s1, 2, 3details
#8ACCEPTED0.08 s1, 2, 3details
#9ACCEPTED0.09 s1, 2, 3details
#10ACCEPTED0.07 s1, 2, 3details
#11ACCEPTED0.08 s1, 2, 3details
#12ACCEPTED0.04 s1, 2, 3details
#13ACCEPTED0.27 s2, 3details
#14ACCEPTED0.36 s2, 3details
#15ACCEPTED0.37 s2, 3details
#16ACCEPTED0.52 s2, 3details
#17ACCEPTED0.32 s2, 3details
#18ACCEPTED0.40 s2, 3details
#19ACCEPTED0.04 s2, 3details
#20ACCEPTED0.04 s2, 3details
#21ACCEPTED0.35 s3details
#22ACCEPTED0.46 s3details
#23ACCEPTED0.69 s3details
#24ACCEPTED0.78 s3details
#25ACCEPTED0.42 s3details
#26ACCEPTED0.47 s3details
#27ACCEPTED0.04 s3details
#28ACCEPTED0.04 s3details

Code

def calcInts(num):
    res = list()
    one = False
    for x in str(num):
        if one:
            res.append('1')
        else:
            i = int(x)
            if i > 1:
                one = True
            
            if i >= 1:
                res.append('1')
            else:
                res.append('0')

    return res

def calcOptimal(a):
    if a == 0:
        return 0

    return int(
        ''.join(
            calcInts(a)
        ), 2)

cache = dict()
def toBin(x):
    if x in cache:
        return cache[x]

    val = int(bin(x)[2:])
    cache[x] = val
    return val

def solve(a, b):
    min_a, max_b = calcOptimal(a), calcOptimal(b)

    # print('min a is {}'.format(min_a))
    while(toBin(min_a) < a):
        min_a += 1
        # print('min a, {} < {}'.format(toBin(min_a), a))
    # print('final min a {}, bin {}'.format(min_a, toBin(min_a)))
 
    # print('max b is {}'.format(max_b))
    while(toBin(max_b) > b):
        max_b -= 1
        # print('max b, {} > {}'.format(toBin(max_b), b))
    # print('final max b is {}, bin {}'.format(max_b, toBin(max_b)))

    return max_b - min_a + 1

count = int(raw_input())
for x in range(0, count):
    a, b = [int(x) for x in raw_input().split()]
    print(solve(a, b))

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
...

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
...

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
...

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
...

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
...

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
...

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
...

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
...

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
...

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
...

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
...

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
...

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
...

Test 22

Group: 3

Verdict: ACCEPTED

input
100000
179926689319432205 25677963778...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...

Test 23

Group: 3

Verdict: ACCEPTED

input
100000
100110100011010101 11100011010...

correct output
74822
54944
140968
252594
23521
...

user output
74822
54944
140968
252594
23521
...

Test 24

Group: 3

Verdict: ACCEPTED

input
100000
100110100011010102 11100011010...

correct output
74822
252594
94086
10836
11352
...

user output
74822
252594
94086
10836
11352
...

Test 25

Group: 3

Verdict: ACCEPTED

input
100000
256779637786129463 25677963778...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...

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
...

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