CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:onnari11
Submission time:2019-10-09 17:42:39 +0300
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.09 s1, 2, 3details
#2ACCEPTED0.08 s1, 2, 3details
#3ACCEPTED0.08 s1, 2, 3details
#4ACCEPTED0.08 s1, 2, 3details
#5ACCEPTED0.08 s1, 2, 3details
#6ACCEPTED0.22 s1, 2, 3details
#7ACCEPTED0.22 s1, 2, 3details
#80.23 s1, 2, 3details
#90.24 s1, 2, 3details
#10ACCEPTED0.19 s1, 2, 3details
#11ACCEPTED0.23 s1, 2, 3details
#12ACCEPTED0.09 s1, 2, 3details
#13--2, 3details
#140.19 s2, 3details
#15--2, 3details
#160.09 s2, 3details
#17--2, 3details
#18--2, 3details
#19ACCEPTED0.08 s2, 3details
#20ACCEPTED0.08 s2, 3details
#21--3details
#220.08 s3details
#23--3details
#240.09 s3details
#25--3details
#260.09 s3details
#27ACCEPTED0.09 s3details
#28ACCEPTED0.09 s3details

Code

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.lang.Math;
import java.lang.Long;

class lukuvalit {
    public static void main(String[] args)throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(reader.readLine());

        int[] outputs = new int[n];
        
        for (int i = 0; i < n; i++) {
            String[] numbers = reader.readLine().split(" ");
            String a = numbers[0];
            String b = numbers[1];
            
            int output = 0;
            if(a.equals(b)){
                if(isValid(a)){
                    output = 1;
                }else{
                    output = 0;
                }
            }else{
                if(a.equals("0")){
                    output += 1;
                    a = "1";
                }
                String first = getStartIndex(a, b);
                String last = getEndIndex(a, b);


                if (first.equals("-1") == false && last.equals("-1") == false) {
                    int startBinaryVal = getBinary(first);
                    int endBinaryVal = getBinary(last);
                    int val = (endBinaryVal - startBinaryVal) + 1;
                    output += val;
                }
                
            }
            outputs[i] = output;
            
        }
        for(int i = 0; i < outputs.length; i++){
            System.out.println(outputs[i]);
        }
        reader.close();
    }

    public static String getStartIndex(String a, String b) {
        if(isValid(a)){
            return a;
        }
        double a1 = Double.parseDouble(a);
        double exp = Math.ceil(Math.log10(a1));
        double index = Math.pow(10, exp);
        if(a1<=index){
            return Long.toString((long)index);
        }
        for (double i = 0.0; i <= exp; i+=1.0) {
            for(double x = i; x>= 0.0; x-=1.0){
                double pow = Math.pow(10, x);
                index += pow;
                if(index >= a1){
                    break;
                }
            }
            if(index >= a1){
                break;
            }
        }

        if (index > Double.parseDouble(b)){
            return "-1";
        }
        
        return Long.toString((long)index);
    }

    public static String getEndIndex(String a, String b) {
        if(isValid(b)){
            return b;
        }
        double b1 = Double.parseDouble(b);
        double exp = Math.floor(Math.log10(b1));
        double index = Math.round(Math.pow(10, exp)*1.11111111111111111111);
        if(index<=b1){
            return Long.toString((long)index);
        }
        for (double i = 0.0; i < exp; i+=1.0) {
            for(double x = i; x>=0.0;x-=1.0){
                double pow = Math.pow(10, x);
                index -= pow;
                if(index<=b1){
                    break;
                }
            }
            if(index<=b1){
                break;
            }
        }

        if (index < Double.parseDouble(a)) {
            return "-1";
        }
        
        return Long.toString((long)index);
    }

   

    public static boolean isValid(String str) {
        str = str.replaceAll("1", "");
        str = str.replaceAll("0", "");
        if(str.length() == 0){
            return true;
        }
        return false;
    }

    public static int getBinary(String input) {
        return Integer.parseInt(input, 2);
    }
}

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:

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:

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:

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)

Error:
Exception in thread "main" java.lang.NumberFormatException: For input string: "9988"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.base/java.lang.Integer.parseInt(Integer.java:652)
	at lukuvalit.getBinary(lukuvalit.java:126)
	at lukuvalit.main(lukuvalit.java:39)

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)

Error:
Exception in thread "main" java.lang.NumberFormatException: For input string: "999"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.base/java.lang.Integer.parseInt(Integer.java:652)
	at lukuvalit.getBinary(lukuvalit.java:126)
	at lukuvalit.main(lukuvalit.java:39)

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)

Error:
Exception in thread "main" java.lang.NumberFormatException: For input string: "111111111111111120"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.base/java.lang.Integer.parseInt(Integer.java:652)
	at lukuvalit.getBinary(lukuvalit.java:126)
	at lukuvalit.main(lukuvalit.java:39)

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)

Error:
Exception in thread "main" java.lang.NumberFormatException: For input string: "111099876543209936"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.base/java.lang.Integer.parseInt(Integer.java:652)
	at lukuvalit.getBinary(lukuvalit.java:126)
	at lukuvalit.main(lukuvalit.java:39)

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)

Error:
Exception in thread "main" java.lang.NumberFormatException: For input string: "998765432098764800"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
	at java.base/java.lang.Integer.parseInt(Integer.java:652)
	at lukuvalit.getBinary(lukuvalit.java:126)
	at lukuvalit.main(lukuvalit.java:39)

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