CSES - Datatähti 2018 alku - Results
Submission details
Task:Kyselyt
Sender:SeveriK
Submission time:2017-10-04 03:24:38 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.20 s1details
#20.04 s2details
#30.05 s3details

Code

#include <iostream>
#include <string>
#include <vector>
#include <math.h>
using namespace std;
int main()
{
unsigned int q = 0;
cin >> q;
for (unsigned int i = 0; i < q; i++)
{
unsigned long long int k = 0;
cin >> k;
unsigned int num = k;
unsigned long long int n = 0;
while (num > 0)
{
num = num / 10;
n++;
}
unsigned long long int nums = 0;
if (n > 1)
{
for (unsigned long long int o = 1; o < n; o++)
{
if (nums + o * 9 * pow(10, o - 1) < k)
{
nums += o * 9 * pow(10, o - 1);
}
else
{
break;
}
}
}
unsigned long long int output = (k - nums) / n;
vector<unsigned int> digits;
unsigned long long int lK = output;
while (lK > 0)
{
digits.push_back(lK % 10);
lK /= 10;
}
unsigned int mod = ((k - nums) % n) + 1;
if (mod > 0 && mod <= digits.size())
{
output = digits[digits.size() - mod];
}
else
{
output = digits[digits.size() - 1];
}
cout << output << "\n";
}
int a;
cin >> a;
return 0;
}

Test details

Test 1

Group: 1

Verdict:

input
1000
582
214
723
273
...

correct output
0
1
7
7
6
...

user output
1
8
1
2
9
...
Truncated

Test 2

Group: 2

Verdict:

input
1000
615664
916441
627600
279508
...

correct output
1
2
3
2
2
...

user output
1
8
1
0
6
...
Truncated

Test 3

Group: 3

Verdict:

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
...

correct output
7
2
2
0
9
...

user output
0
5
9
3
6
...
Truncated