CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:nuuttih
Submission time:2019-10-04 18:17:10 +0300
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#20.01 s1, 2, 3details
#30.01 s1, 2, 3details
#40.01 s1, 2, 3details
#50.01 s1, 2, 3details
#60.01 s1, 2, 3details
#70.01 s1, 2, 3details
#80.01 s1, 2, 3details
#90.01 s1, 2, 3details
#100.01 s1, 2, 3details
#110.01 s1, 2, 3details
#120.01 s1, 2, 3details
#130.01 s2, 3details
#140.01 s2, 3details
#150.01 s2, 3details
#160.01 s2, 3details
#170.01 s2, 3details
#180.01 s2, 3details
#190.01 s2, 3details
#200.01 s2, 3details
#210.01 s3details
#220.01 s3details
#230.01 s3details
#240.01 s3details
#250.01 s3details
#260.01 s3details
#270.01 s3details
#280.01 s3details

Code

#include <iostream>

using namespace std;

long long rec(long long x, long long n);

int main()
{
    long long a, b;
    cin >> a >> b;
    cout << rec(1, b) - rec(1, a - 1) + (a == 0 ? 1 : 0);
    return 0;
}

long long rec(long long x, long long n)
{
    if(x > n) return 0;
    return 1 + rec(x * 10, n) + rec(x * 10 + 1, 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
-1

Test 2

Group: 1, 2, 3

Verdict:

input
1
0 0

correct output
1

user output
0

Test 3

Group: 1, 2, 3

Verdict:

input
1
1000 1000

correct output
1

user output
8

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
-3

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
-1

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
-7

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
-3

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
0

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
-4

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
-7

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
-7

Test 12

Group: 1, 2, 3

Verdict:

input
1
0 1000

correct output
9

user output
0

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
-31

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
0

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
-28

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
-30

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
-31

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
-31

Test 19

Group: 2, 3

Verdict:

input
3
99999 99999
99999 100000
100000 100000

correct output
0
1
1

user output
30

Test 20

Group: 2, 3

Verdict:

input
1
0 100000

correct output
33

user output
0

Test 21

Group: 3

Verdict:

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

correct output
262145
262145
262145
262145
262145
...

user output
-31

Test 22

Group: 3

Verdict:

input
100000
179926689319432205 25677963778...

correct output
0
0
0
0
0
...

user output
262112

Test 23

Group: 3

Verdict:

input
100000
100110100011010101 11100011010...

correct output
74822
54944
140968
252594
23521
...

user output
157878

Test 24

Group: 3

Verdict:

input
100000
100110100011010102 11100011010...

correct output
74822
252594
94086
10836
11352
...

user output
157878

Test 25

Group: 3

Verdict:

input
100000
256779637786129463 25677963778...

correct output
0
0
0
0
0
...

user output
262112

Test 26

Group: 3

Verdict:

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

correct output
262145
262144
262144
262144
262143
...

user output
-31

Test 27

Group: 3

Verdict:

input
3
999999999999999999 99999999999...

correct output
0
1
1

user output
262142

Test 28

Group: 3

Verdict:

input
1
0 1000000000000000000

correct output
262145

user output
0