CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:TrixterTheTux
Submission time:2019-10-04 18:34:31 +0300
Language:Node.js
Status:READY
Result:12
Feedback
groupverdictscore
#1ACCEPTED12
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.43 s1, 2, 3details
#2ACCEPTED0.43 s1, 2, 3details
#3ACCEPTED0.43 s1, 2, 3details
#4ACCEPTED0.43 s1, 2, 3details
#5ACCEPTED0.43 s1, 2, 3details
#6ACCEPTED0.48 s1, 2, 3details
#7ACCEPTED0.48 s1, 2, 3details
#8ACCEPTED0.50 s1, 2, 3details
#9ACCEPTED0.48 s1, 2, 3details
#10ACCEPTED0.50 s1, 2, 3details
#11ACCEPTED0.48 s1, 2, 3details
#12ACCEPTED0.43 s1, 2, 3details
#13--2, 3details
#14--2, 3details
#15--2, 3details
#16--2, 3details
#17--2, 3details
#18--2, 3details
#19ACCEPTED0.43 s2, 3details
#20ACCEPTED0.43 s2, 3details
#21--3details
#22--3details
#23--3details
#24--3details
#25--3details
#26--3details
#27--3details
#28--3details

Code

const readline = require('readline');
const r = readline.createInterface({
    input: process.stdin,
    output: process.stdout,
    terminal: false,
});

let data = '';
r.on('line', input => {
    data += input.toString() + '\n';

    const parsed = data.split('\n');
    const count = parseInt(parsed.shift());
    parsed.pop();

    if (parsed.length >= count) {
        calculate(parsed.map(a => a.split(' ')));
    }
});

const cache = {};
function solve(a, b) {
    const until = (start, end) => {
        if (cache[`${start}-${end}`]) return cache[`${start}-${end}`];

        let res;
        if (start > end) res = 0;
        else if (start === 0) res = 1 + until(start * 10 + 1, end);
        else res = 1 + until(start * 10, end) + until(start * 10 + 1, end);

        cache[`${start}-${end}`] = res;
        return res;
    }

    return until(0, b) - until(0, a - 1)
}

function calculate(input) {
    for(const [a, b] of input) {
        console.log(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
...
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:

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

correct output
33
33
33
33
33
...

user output
(empty)

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)

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)

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)

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)

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)

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:

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

correct output
262145
262144
262144
262144
262143
...

user output
(empty)

Test 27

Group: 3

Verdict:

input
3
999999999999999999 99999999999...

correct output
0
1
1

user output
(empty)

Test 28

Group: 3

Verdict:

input
1
0 1000000000000000000

correct output
262145

user output
(empty)