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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
2017-10-05 12:42:31100
2017-10-05 12:42:020
2017-10-05 12:07:0337
2017-10-05 12:04:4737
2017-10-05 11:59:4637
2017-10-04 14:43:0237
2017-10-04 14:25:5137
Task:Kyselyt
Sender:ArktinenKarpalo
Submission time:2017-10-05 12:42:31
Language:C++
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED12
#2ACCEPTED25
#3ACCEPTED63

Test results

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

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:9:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<q; i++) {
                 ^

Code

#include <bits/stdc++.h>

using namespace std;

unsigned long long q, k, jwerj, f, l, g, jj;

int main() {
	cin >> q;
	for(int i=0; i<q; i++) {
		cin >> k;
		if(k<10) {
			cout << k << "\n";
			continue;
		}
		jwerj = 0;
		l = 0;
		for(int j=0; k>=jwerj+j*(9*pow(10, j-1)); j++) {
			l++;
			jwerj +=j*(unsigned long long)(9*pow(10, j-1));
		}
		f = k-jwerj;
		jj = f%l;
		if(jj==0)
			jj = l;
		if(f==0)
			jj = l-1;
		f = (f+l-1)/l;
		g = f+9;
			if(l>2)
				g += (unsigned long long)pow(10, l-1)-10;
		cout << to_string(g)[jj-1] << "\n";
		}
}

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