CSES - Datatähti 2018 alku

Submission details
Task:	Bittijono
Sender:	Olli
Submission time:	2017-10-08 10:32:30 +0300
Language:	C++
Status:	READY
Result:	42

Feedback
subtask	verdict	score
#1	WRONG ANSWER	0
#2	ACCEPTED	15
#3	ACCEPTED	27
#4	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	subtask
#1	WRONG ANSWER	0.06 s	1	details
#2	WRONG ANSWER	0.04 s	1	details
#3	WRONG ANSWER	0.06 s	1	details
#4	WRONG ANSWER	0.07 s	1	details
#5	WRONG ANSWER	0.04 s	1	details
#6	WRONG ANSWER	0.04 s	1	details
#7	WRONG ANSWER	0.06 s	1	details
#8	WRONG ANSWER	0.04 s	1	details
#9	WRONG ANSWER	0.07 s	1	details
#10	WRONG ANSWER	0.07 s	1	details
#11	ACCEPTED	0.04 s	2	details
#12	ACCEPTED	0.05 s	2	details
#13	ACCEPTED	0.05 s	2	details
#14	ACCEPTED	0.04 s	2	details
#15	ACCEPTED	0.05 s	2	details
#16	ACCEPTED	0.04 s	2	details
#17	ACCEPTED	0.04 s	2	details
#18	ACCEPTED	0.05 s	2	details
#19	ACCEPTED	0.06 s	2	details
#20	ACCEPTED	0.07 s	2	details
#21	ACCEPTED	0.07 s	3	details
#22	ACCEPTED	0.06 s	3	details
#23	ACCEPTED	0.08 s	3	details
#24	ACCEPTED	0.06 s	3	details
#25	ACCEPTED	0.06 s	3	details
#26	ACCEPTED	0.06 s	3	details
#27	ACCEPTED	0.07 s	3	details
#28	ACCEPTED	0.07 s	3	details
#29	ACCEPTED	0.07 s	3	details
#30	ACCEPTED	0.08 s	3	details
#31	TIME LIMIT EXCEEDED	--	4	details
#32	TIME LIMIT EXCEEDED	--	4	details
#33	TIME LIMIT EXCEEDED	--	4	details
#34	TIME LIMIT EXCEEDED	--	4	details
#35	TIME LIMIT EXCEEDED	--	4	details
#36	TIME LIMIT EXCEEDED	--	4	details
#37	TIME LIMIT EXCEEDED	--	4	details
#38	TIME LIMIT EXCEEDED	--	4	details
#39	TIME LIMIT EXCEEDED	--	4	details
#40	TIME LIMIT EXCEEDED	--	4	details

Code

#include <iostream>

using namespace std;

//this seems to be too slow for 100 points, even though it seems to be O(n log n), assuming that the answer to the problem is O(n). This assumption seems to be wrong. QAQ.
int stringInBinary[30];
int length;
int subsSoFar[30];
int subsEndHere[30];
int uniqueSubsEndHere[30];

void increase() {
    stringInBinary[1]++;
    int i = 1;
    while(stringInBinary[i] == 2) {
        stringInBinary[i] = 0;
        stringInBinary[i+1]++;
        i++;
    }
    if(stringInBinary[length+1]) {
        length++;
    }
}

int amountOfSubstrings() {
    for(int i = 1; i <= 29; i++) {
        subsSoFar[i] = 0;
        uniqueSubsEndHere[i] = 0;
        subsEndHere[i] = 0;
    }
    subsSoFar[0] = 1;
    uniqueSubsEndHere[0] = 1;
    subsEndHere[0] = 1;
    int lastIndexEndingWithOne = 29;
    int lastIndexEndingWithZero = 29; 
    for(int i = 1; i <= length; i++) {
        int bit = stringInBinary[i];
        if(bit == 0) {
            subsEndHere[i] = subsSoFar[i-1];
            uniqueSubsEndHere[i] = subsSoFar[i-1] - subsEndHere[lastIndexEndingWithZero];
            subsSoFar[i] = subsSoFar[i-1] + uniqueSubsEndHere[i];
            lastIndexEndingWithZero = i;
        } else {
            subsEndHere[i] = subsSoFar[i-1];
            uniqueSubsEndHere[i] = subsSoFar[i-1] - subsEndHere[lastIndexEndingWithOne];
            subsSoFar[i] = subsSoFar[i-1] + uniqueSubsEndHere[i];
            lastIndexEndingWithOne = i;
        }
    }
    return subsSoFar[length] - 1;
}

int main() {
    int n;
    cin >> n;
    if(n <= 10) {
        cout << "Such n does not exist!" << "\n";
        return 0;
    }
    stringInBinary[1] = 1;
    length = 1;
    while(amountOfSubstrings() != n) {
        increase();
    }
    for(int i = length; i >= 1; i--) {
        cout << stringInBinary[i];
    }
}

Test details

Test 1

Subtask: 1

Verdict: WRONG ANSWER

input
`1` view save

correct output
`1` view save

user output
`Such n does not exist!` view save

Test 2

Subtask: 1

Verdict: WRONG ANSWER

input
`2` view save

correct output
`11` view save

user output
`Such n does not exist!` view save

Test 3

Subtask: 1

Verdict: WRONG ANSWER

input
`3` view save

correct output
`10` view save

user output
`Such n does not exist!` view save

Test 4

Subtask: 1

Verdict: WRONG ANSWER

input
`4` view save

correct output
`1111` view save

user output
`Such n does not exist!` view save

Test 5

Subtask: 1

Verdict: WRONG ANSWER

input
`5` view save

correct output
`110` view save

user output
`Such n does not exist!` view save

Test 6

Subtask: 1

Verdict: WRONG ANSWER

input
`6` view save

correct output
`101` view save

user output
`Such n does not exist!` view save

Test 7

Subtask: 1

Verdict: WRONG ANSWER

input
`7` view save

correct output
`1110` view save

user output
`Such n does not exist!` view save

Test 8

Subtask: 1

Verdict: WRONG ANSWER

input
`8` view save

correct output
`1100` view save

user output
`Such n does not exist!` view save

Test 9

Subtask: 1

Verdict: WRONG ANSWER

input
`9` view save

correct output
`1101` view save

user output
`Such n does not exist!` view save

Test 10

Subtask: 1

Verdict: WRONG ANSWER

input
`10` view save

correct output
`1001` view save

user output
`Such n does not exist!` view save

Test 11

Subtask: 2

Verdict: ACCEPTED

input
`38` view save

correct output
`1101011` view save

user output
`1101011` view save

Test 12

Subtask: 2

Verdict: ACCEPTED

input
`13` view save

correct output
`11011` view save

user output
`11011` view save

Test 13

Subtask: 2

Verdict: ACCEPTED

input
`90` view save

correct output
`111001010` view save

user output
`100100010` view save

Test 14

Subtask: 2

Verdict: ACCEPTED

input
`25` view save

correct output
`110010` view save

user output
`101100` view save

Test 15

Subtask: 2

Verdict: ACCEPTED

input
`82` view save

correct output
`111001101` view save

user output
`100010011` view save

Test 16

Subtask: 2

Verdict: ACCEPTED

input
`94` view save

correct output
`1100011110` view save

user output
`1000011100` view save

Test 17

Subtask: 2

Verdict: ACCEPTED

input
`100` view save

correct output
`1111001001` view save

user output
`1001001111` view save

Test 18

Subtask: 2

Verdict: ACCEPTED

input
`99` view save

correct output
`110010010` view save

user output
`100011010` view save

Test 19

Subtask: 2

Verdict: ACCEPTED

input
`98` view save

correct output
`110110010` view save

user output
`100111010` view save

Test 20

Subtask: 2

Verdict: ACCEPTED

input
`92` view save

correct output
`100110001` view save

user output
`100011001` view save

Test 21

Subtask: 3

Verdict: ACCEPTED

input
`1666` view save

correct output
`101101100100101` view save

user output
`100100010101010` view save

Test 22

Subtask: 3

Verdict: ACCEPTED

input
`897` view save

correct output
`11101001101010` view save

user output
`10100010110100` view save

Test 23

Subtask: 3

Verdict: ACCEPTED

input
`4466` view save

correct output
`111101010110100101` view save

user output
`101001001110001011` view save

Test 24

Subtask: 3

Verdict: ACCEPTED

input
`4240` view save

correct output
`11011001011010101` view save

user output
`10101011010011011` view save

Test 25

Subtask: 3

Verdict: ACCEPTED

input
`3089` view save

correct output
`1011001010100101` view save

user output
`1010010101001101` view save

Test 26

Subtask: 3

Verdict: ACCEPTED

input
`4697` view save

correct output
`11010101101010110` view save

user output
`10010101001010100` view save

Test 27

Subtask: 3

Verdict: ACCEPTED

input
`4608` view save

correct output
`11010110101001010` view save

user output
`10101101010010100` view save

Test 28

Subtask: 3

Verdict: ACCEPTED

input
`4625` view save

correct output
`111011001100101001` view save

user output
`100010101110110110` view save

Test 29

Subtask: 3

Verdict: ACCEPTED

input
`4611` view save

correct output
`11010101010101100` view save

user output
`10101101011010100` view save

Test 30

Subtask: 3

Verdict: ACCEPTED

input
`4917` view save

correct output
`10110100101010110` view save

user output
`10010101011010010` view save

Test 31

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`178555` view save

correct output
`1011010110110101010110110` view save

user output
(empty)

Test 32

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`864856` view save

correct output
`10111010110110100100101010010` view save

user output
(empty)

Test 33

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`112146` view save

correct output
`1101110101011001100100110` view save

user output
(empty)

Test 34

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`741124` view save

correct output
`1011010011010101100101011010` view save

user output
(empty)

Test 35

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`511902` view save

correct output
`1011010100011010100101001110` view save

user output
(empty)

Test 36

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`920019` view save

correct output
`11100100101101010101001101010` view save

user output
(empty)

Test 37

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`933943` view save

correct output
`10101011010100100110100111001` view save

user output
(empty)

Test 38

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`973410` view save

correct output
`1011010101011010101010101001` view save

user output
(empty)

Test 39

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`954943` view save

correct output
`10110110010011010100100110101` view save

user output
(empty)

Test 40

Subtask: 4

Verdict: TIME LIMIT EXCEEDED

input
`911674` view save

correct output
`1010110010110101010101010110` view save

user output
(empty)

Datatähti 2018 alku

Bittijono

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Tasks

Submissions (Olli)