CSES - Datatähti 2018 alku - Results
Submission details
Task:Kyselyt
Sender:inv41idu53rn4m3
Submission time:2017-10-05 23:13:23 +0300
Language:C++
Status:READY
Result:37
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.04 s2details
#30.22 s3details

Code

#include <iostream>
#include <cstdlib>
#include <cstdio>
using namespace std;
int pow10(int x) {
if (x == 0) {
return 1;
} else {
return pow10(x - 1) * 10;
}
}
int main() {
char buffer[10];
cin >> buffer;
int count = atoi(buffer);
for (int i = 0; i < count; i++) {
cin >> buffer;
int ordinal = atoi(buffer);
int magnitude = 0;
while (ordinal > pow10(magnitude) * (magnitude + 1) * 9) {
magnitude++;
ordinal -= magnitude * pow10(magnitude - 1) * 9;
}
if (magnitude == 0) {
cout << ordinal << endl;
continue;
}
int value = pow10(magnitude) + (ordinal - 1) / (magnitude + 1);
char svalue[10];
sprintf(svalue, "%d", value);
//cout << "value: " << value << endl; // These lines really came to handy when testing
//cout << "magnitude: " << magnitude << endl;
//cout << "ordinal: " << ordinal << endl;
cout << svalue[(ordinal - 1) % (magnitude + 1)] << 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:

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
...

correct output
7
2
2
0
9
...

user output
0
3
-1935062089
-1445232030
-1005186444
...

Error:
*** buffer overflow detected ***: input/code terminated
======= Backtrace: =========
/lib/...