CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:Ilmari2000
Submission time:2017-10-14 14:16:30 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
#40
Test results
testverdicttimegroup
#1ACCEPTED0.07 s1details
#20.05 s1details
#30.05 s1details
#40.07 s1details
#50.05 s1details
#60.06 s1details
#70.04 s1details
#80.04 s1details
#90.06 s1details
#100.05 s1details
#110.05 s2details
#120.06 s2details
#130.05 s2details
#140.05 s2details
#150.05 s2details
#160.06 s2details
#170.05 s2details
#180.05 s2details
#190.05 s2details
#200.08 s2details
#210.05 s3details
#220.06 s3details
#230.06 s3details
#240.05 s3details
#250.06 s3details
#260.06 s3details
#270.06 s3details
#280.05 s3details
#290.06 s3details
#300.07 s3details
#310.28 s4details
#320.88 s4details
#330.14 s4details
#340.71 s4details
#350.46 s4details
#360.80 s4details
#370.80 s4details
#380.85 s4details
#390.83 s4details
#400.80 s4details

Code

#include <iostream>
#include <vector>
#include <cmath>
#include <cstdint>

using namespace std;

uint64_t lpow(uint64_t base, uint64_t exp)
{
	uint64_t ret = 1;
	for(uint64_t i = 0; i < exp; i++)
		ret *= base;
	return ret;
}

uint64_t nthDigit(uint64_t x, uint64_t pos)
{
	uint64_t digits = 0;
	uint64_t tmpnum = x;
	while(tmpnum > 0) { digits++; tmpnum /= 10; }

	return (x / (uint64_t)lpow(10, digits - pos)) % 10;
}


int main()
{
	vector<uint64_t> places;

	uint64_t count;
	cin >> count;
	
	places.resize(count);

	for(uint64_t i = 0; i < count; i++)
		cin >> places[i];

	for(uint64_t i = 0; i < count; i++)
	{
		uint64_t num = 1;
		uint64_t exp = 0;
		places[i]--;

		while(1)
		{
			if(places[i] - 9 * lpow(10, exp) * (exp + 1) < places[i])
			{
				places[i] -= 9 * lpow(10, exp) * (exp + 1);
				num *= 10;
				exp++;
			}
			else
				break;
		}
		//cout << "pla: " << places[i] << endl;
		//cout << "num: " << num << endl;
		//cout << "dig: " << exp + 1 << endl;
		//cout << "div: " << places[i] / (exp + 1) << endl;
		//cout << "mod: " << places[i] % (exp + 1) << endl;
	
		num += places[i] / (exp + 1);
		//cout << "num: " << num << endl;
		//places[i] % (exp + 1);
	
		/*while(1)
		{
			uint64_t sub = 0;
			uint64_t tmpnum = num;
			while(tmpnum > 0) { sub++; tmpnum /= 10; }
			if(places[i] - sub > 0)
			{
				places[i] -= sub;
				num++;
			}
			else
				break;
		}*/

		cout << nthDigit(num, places[i] % (exp + 1) + 1) << endl;
	}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1

correct output
1

user output
1

Test 2

Group: 1

Verdict:

input
2

correct output
11

user output
1
1

Test 3

Group: 1

Verdict:

input
3

correct output
10

user output
1
1
1

Test 4

Group: 1

Verdict:

input
4

correct output
1111

user output
1
1
1
1

Test 5

Group: 1

Verdict:

input
5

correct output
110

user output
1
1
1
1
1

Test 6

Group: 1

Verdict:

input
6

correct output
101

user output
1
1
1
1
1
...

Test 7

Group: 1

Verdict:

input
7

correct output
1110

user output
1
1
1
1
1
...

Test 8

Group: 1

Verdict:

input
8

correct output
1100

user output
1
1
1
1
1
...

Test 9

Group: 1

Verdict:

input
9

correct output
1101

user output
1
1
1
1
1
...

Test 10

Group: 1

Verdict:

input
10

correct output
1001

user output
1
1
1
1
1
...

Test 11

Group: 2

Verdict:

input
38

correct output
1101011

user output
1
1
1
1
1
...

Test 12

Group: 2

Verdict:

input
13

correct output
11011

user output
1
1
1
1
1
...

Test 13

Group: 2

Verdict:

input
90

correct output
111001010

user output
1
1
1
1
1
...

Test 14

Group: 2

Verdict:

input
25

correct output
110010

user output
1
1
1
1
1
...

Test 15

Group: 2

Verdict:

input
82

correct output
111001101

user output
1
1
1
1
1
...

Test 16

Group: 2

Verdict:

input
94

correct output
1100011110

user output
1
1
1
1
1
...

Test 17

Group: 2

Verdict:

input
100

correct output
1111001001

user output
1
1
1
1
1
...

Test 18

Group: 2

Verdict:

input
99

correct output
110010010

user output
1
1
1
1
1
...

Test 19

Group: 2

Verdict:

input
98

correct output
110110010

user output
1
1
1
1
1
...

Test 20

Group: 2

Verdict:

input
92

correct output
100110001

user output
1
1
1
1
1
...

Test 21

Group: 3

Verdict:

input
1666

correct output
101101100100101

user output
1
1
1
1
1
...

Test 22

Group: 3

Verdict:

input
897

correct output
11101001101010

user output
1
1
1
1
1
...

Test 23

Group: 3

Verdict:

input
4466

correct output
111101010110100101

user output
1
1
1
1
1
...

Test 24

Group: 3

Verdict:

input
4240

correct output
11011001011010101

user output
1
1
1
1
1
...

Test 25

Group: 3

Verdict:

input
3089

correct output
1011001010100101

user output
1
1
1
1
1
...

Test 26

Group: 3

Verdict:

input
4697

correct output
11010101101010110

user output
1
1
1
1
1
...

Test 27

Group: 3

Verdict:

input
4608

correct output
11010110101001010

user output
1
1
1
1
1
...

Test 28

Group: 3

Verdict:

input
4625

correct output
111011001100101001

user output
1
1
1
1
1
...

Test 29

Group: 3

Verdict:

input
4611

correct output
11010101010101100

user output
1
1
1
1
1
...

Test 30

Group: 3

Verdict:

input
4917

correct output
10110100101010110

user output
1
1
1
1
1
...

Test 31

Group: 4

Verdict:

input
178555

correct output
1011010110110101010110110

user output
1
1
1
1
1
...

Test 32

Group: 4

Verdict:

input
864856

correct output
10111010110110100100101010010

user output
1
1
1
1
1
...

Test 33

Group: 4

Verdict:

input
112146

correct output
1101110101011001100100110

user output
1
1
1
1
1
...

Test 34

Group: 4

Verdict:

input
741124

correct output
1011010011010101100101011010

user output
1
1
1
1
1
...

Test 35

Group: 4

Verdict:

input
511902

correct output
1011010100011010100101001110

user output
1
1
1
1
1
...

Test 36

Group: 4

Verdict:

input
920019

correct output
11100100101101010101001101010

user output
1
1
1
1
1
...

Test 37

Group: 4

Verdict:

input
933943

correct output
10101011010100100110100111001

user output
1
1
1
1
1
...

Test 38

Group: 4

Verdict:

input
973410

correct output
1011010101011010101010101001

user output
1
1
1
1
1
...

Test 39

Group: 4

Verdict:

input
954943

correct output
10110110010011010100100110101

user output
1
1
1
1
1
...

Test 40

Group: 4

Verdict:

input
911674

correct output
1010110010110101010101010110

user output
1
1
1
1
1
...