CSES - Datatähti 2020 alku - Results
Submission details
Task:Lukuvälit
Sender:intoo
Submission time:2019-10-01 13:43:41 +0300
Language:C++17
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#40.01 s1, 2, 3details
#50.01 s1, 2, 3details
#6ACCEPTED0.01 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
#12ACCEPTED0.01 s1, 2, 3details
#13ACCEPTED0.21 s2, 3details
#140.23 s2, 3details
#150.23 s2, 3details
#160.23 s2, 3details
#170.24 s2, 3details
#180.22 s2, 3details
#190.01 s2, 3details
#20ACCEPTED0.01 s2, 3details
#21ACCEPTED0.28 s3details
#220.35 s3details
#230.34 s3details
#240.34 s3details
#25ACCEPTED0.35 s3details
#260.28 s3details
#270.01 s3details
#28ACCEPTED0.01 s3details

Code

#include <iostream>
#include <string>
#include <cmath>
#define ll long long
 
using namespace std;
 
int main() {
	int n;
	cin >> n;
	ll a, b;
	while (n--) {
		cin >> a >> b;
 
		ll c = 0;
 
		if (a == 0) {
			a = max((ll) 1, a);
			b = max((ll) 1, b);
			c++;
		}
		if (a == 1) {
			c++;
		}
		if (a < 10) {
			a = min(b, (ll) 10);
		}
		if (a == 1 && b == 1) {
			cout << c << endl;
			continue;
		} else if (a < 10 && b < 10) {
			cout << c << endl;
			continue;
		}
		
		int al = to_string(a).size();
		int bl = to_string(b).size();
 
		c += (1<<(bl-1)) - (1<<(al-1));
 
		string x = to_string(a).substr(1, al-1);
		for (int i = 0; i < al; i++) {
			x[i] = min('1', x[i]);
		}
		// if (al > 1) x = x.substr(1,al-1);
		c -= stoi(x, nullptr, 2);
 
		string y = to_string(b).substr(1, bl-1);
		for (int i = 0; i < bl; i++) {
			y[i] = min('1', y[i]);
		}
		// if (bl > 1) y = y.substr(1,bl-1);
		c += stoi(y, nullptr, 2)+1;
 
		if (al == bl && a > (int) pow(10, al)/9) {
			c = 0;
		}
 
		cout << c << endl;
 
		/*
		int an = to_string(a).size()-1;
		int bn = to_string(b).size()-1;
 
		c += (1<<bn) - (1<<an);
 
		string x = to_string(a).substr(1, an);
		for (int i = 0; i < an; i++) {
			x[i] = min('1', x[i]);
		}
		if (an == 0) c -= min((ll)1, a);
		else c -= stoi(x, nullptr, 2);
		
		string y = to_string(b).substr(1, bn);
		for (int i = 0; i < bn; i++) {
			y[i] = min('1', y[i]);
		}
		if (bn == 0) c += min((ll)1, b);
		else c += stoi(y, nullptr, 2)+1;
 
		if (!(an == bn && a > pow(10, an+1)/9)) {
			c = 0;
		}
 
		cout << c << endl;
		*/
	}
}

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:

input
1
0 0

correct output
1

user output
2

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:

input
16
0 0
0 1
0 2
1 1
...

correct output
1
2
2
1
1
...

user output
2
2
2
1
1
...

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
2
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:

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
5
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
5
6
5
1
7
...

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
2
1
0
0
0
...

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
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:

input
100000
86042 98295
30077 80920
45856 67174
3890 60412
...

correct output
0
0
0
16
0
...

user output
0
0
0
10
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
14
10
2
2
8
...

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
14
2
5
3
7
...

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
2
1
0
0
0
...

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
33
32
32
32
31
...

Test 19

Group: 2, 3

Verdict:

input
3
99999 99999
99999 100000
100000 100000

correct output
0
1
1

user output
0
2
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:

input
100000
179926689319432205 25677963778...

correct output
0
0
0
0
0
...

user output
0
0
0
0
0
...

Test 23

Group: 3

Verdict:

input
100000
100110100011010101 11100011010...

correct output
74822
54944
140968
252594
23521
...

user output
0
54944
140968
252594
0
...

Test 24

Group: 3

Verdict:

input
100000
100110100011010102 11100011010...

correct output
74822
252594
94086
10836
11352
...

user output
0
252595
94087
0
0
...

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:

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:

input
3
999999999999999999 99999999999...

correct output
0
1
1

user output
0
2
0

Test 28

Group: 3

Verdict: ACCEPTED

input
1
0 1000000000000000000

correct output
262145

user output
262145