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Datatähti 2018 alku

Start:2017-10-02 00:00:00
End:2017-10-16 00:00:00
 

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CSES - Datatähti 2018 alku - Results
History
2017-10-08 00:27:40100
2017-10-07 23:37:2637
Task:Kyselyt
Sender:paavoee
Submission time:2017-10-08 00:27:40
Language:C++
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#3ACCEPTED63

Test results

testverdicttime (s)group
#1ACCEPTED0.06 / 1.001details
#2ACCEPTED0.06 / 1.002details
#3ACCEPTED0.05 / 1.003details

Code

#include <iostream>
#include <vector>

using namespace std;

inline unsigned long long int pow(unsigned int base, unsigned long int exponent) {
	unsigned long long int r = 1;
	while (exponent--) r *= base;
	return r;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	unsigned short int q;
	vector<unsigned long long int> kt;
	cin >> q;
	for (int i = 0; i < q; i++) {
		unsigned long long int tmp;
		cin >> tmp;
		kt.push_back(tmp);
	}

	for (unsigned int ki = 0; ki < kt.size(); ki++) {
		unsigned long long int k = kt[ki];
		if (k < 10) {
			cout << k << endl;
			continue;
		}
		k -= 10;
		unsigned long long int numbers = 90;
		for (unsigned long int n = 2; true; n++, numbers *= 10) {
			unsigned long long int uplimit = n * numbers;
			if (k < uplimit) {
				int j = k % n;
				if (j) cout << (k / (n * pow(10, n-1-j))) % 10 << endl;
				else cout << k / (n * pow(10, n-1)) + 1 << endl;
				break;
			}
			k -= uplimit;
		}
	}

	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1000
582
214
723
273
480
280
237
204
134
210
565
640
784
508
846
532
465
952
205
...
view   save

correct output
0
1
7
7
6
1
5
4
7
6
2
2
2
2
8
2
1
3
1
8
...
view   save

user output
0
1
7
7
6
1
5
4
7
6
2
2
2
2
8
2
1
3
1
8
...
view   save

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
615664
916441
627600
279508
126605
944125
25887
440405
352957
206746
951305
821686
716797
333476
430123
167570
619834
411383
459670
...
view   save

correct output
1
2
3
2
2
8
7
9
8
3
7
1
9
8
4
3
1
9
9
6
...
view   save

user output
1
2
3
2
2
8
7
9
8
3
7
1
9
8
4
3
1
9
9
6
...
view   save

Test 3

Group: 3

Verdict: ACCEPTED

input
1000
672274832941907421
260504693279721732
646999966092970935
100853063389774434
469646937576313460
292789544562527987
202678876957048242
921044261294332160
293497307441838185
889420403130803486
887773296767104352
272588988734184089
900854413164191389
306838570888252671
321818592757748092
632312861733842235
590425060048634753
921705179835679834
711775852688052272
...
view   save

correct output
7
2
2
0
9
7
7
2
0
4
0
3
0
5
9
9
3
1
2
7
...
view   save

user output
7
2
2
0
9
7
7
2
0
4
0
3
0
5
9
9
3
1
2
7
...
view   save