CSES - Datatähti 2018 peili - Results
Submission details
Task:Kyselyt
Sender:Symbiatch2
Submission time:2017-10-03 15:47:06 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#3ACCEPTED63
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.04 s2details
#3ACCEPTED0.04 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:31:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (pos = 0; pos < starts.size(); pos++)
                                   ^

Code

#include <iostream>
#include <string>
#include <vector>
#include <math.h>
#include <sstream>
int main()
{
int count;
std::vector<long> starts;
long tmp = 90;
long tmp2 = 10;
starts.push_back(1);
for (int i = 2; i < 20; i++)
{
starts.push_back(tmp2);
tmp2 += i * tmp;
tmp *= 10;
}
std::cin >> count;
while (count-- > 0)
{
long number;
std::cin >> number;
int pos;
for (pos = 0; pos < starts.size(); pos++)
{
if (starts[pos] > number)
{
pos--;
break;
}
}
long enumber = number - starts[pos];
long innum = enumber % (pos + 1);
long start = enumber / (pos + 1);
long num = (long)pow(10, pos) + start;
// std::cout << enumber << " " << num << " " << pos << " " << start << " " << innum << std::endl;
std::ostringstream outs;
outs << num;
std::cout << outs.str()[innum] << std::endl;
}
return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1000
582
214
723
273
...

correct output
0
1
7
7
6
...

user output
0
1
7
7
6
...
Truncated

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
615664
916441
627600
279508
...

correct output
1
2
3
2
2
...

user output
1
2
3
2
2
...
Truncated

Test 3

Group: 3

Verdict: ACCEPTED

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
...

correct output
7
2
2
0
9
...

user output
7
2
2
0
9
...
Truncated