CSES - Datatähti 2018 alku - Results
Submission details
Task:Kyselyt
Sender:valokoodari
Submission time:2017-10-06 08:37:11 +0300
Language:C++
Status:READY
Result:37
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#30
Test results
testverdicttimegroup
#1ACCEPTED0.05 s1details
#2ACCEPTED0.06 s2details
#3--3details

Code

#include <bits/stdc++.h>
using namespace std;

long long int func1(int a) {
	int b = 10;
	for (int i = 1; i < a; i++) {
		b += 9 * (int)pow(10, i) * (i + 1);
	}
	return b;
}

int main() {
	int q;
	cin >> q;

	long long int k[q];
	for (int i = 0; i < q; i++) {
		cin >> k[i];
	}

	for (int i = 0; i < q; i++) {
		int a = 1;
		if (k[i] < 10) {
			cout << k[i] << endl;
		} else {
			while (true) {
				if (k[i] < func1(a)) {
					long long int l = k[i] - func1(a-1);
					long long int m = l%a;
					string num = to_string(((l - m) / a) + pow(10, a-1));
					cout << num[m] << endl;
					break;
				}
				a++;
			}
		}
	}
}

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
(empty)