CSES - Putka Open 2020 – 1/5

CSES - Putka Open 2020 – 1/5 - Results

Submission details
Task:	Lista
Sender:	Metabolix
Submission time:	2020-09-05 00:19:23 +0300
Language:	C++11
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	21
#2	ACCEPTED	38
#3	ACCEPTED	41

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	1, 2, 3	details
#7	ACCEPTED	0.01 s	1, 2, 3	details
#8	ACCEPTED	0.01 s	1, 2, 3	details
#9	ACCEPTED	0.01 s	1, 2, 3	details
#10	ACCEPTED	0.01 s	2, 3	details
#11	ACCEPTED	0.01 s	2, 3	details
#12	ACCEPTED	0.01 s	2, 3	details
#13	ACCEPTED	0.01 s	2, 3	details
#14	ACCEPTED	0.01 s	2, 3	details
#15	ACCEPTED	0.01 s	2, 3	details
#16	ACCEPTED	0.01 s	3	details
#17	ACCEPTED	0.01 s	3	details
#18	ACCEPTED	0.01 s	3	details
#19	ACCEPTED	0.01 s	3	details
#20	ACCEPTED	0.01 s	3	details
#21	ACCEPTED	0.01 s	3	details

Code

#include <set>
#include <unordered_set>
#include <iostream>

void f(int n, bool debug = false) {
	int ratkaisu[1000], ri = 0;
	bool luvut_has[2048] = {false};
	for (int i = 1; i <= n; ++i) {
		luvut_has[i] = true;
	}

	std::unordered_set<int> alkuluvut;
	bool alkuluvut_has[2048] = {false};
	for (int i = 2; i <= n*2; ++i) {
		int ok = 1;
		for (int j: alkuluvut) {
			if (i % j == 0) {
				ok = 0;
				break;
			}
		}
		if (ok) {
			alkuluvut.insert(i);
			alkuluvut_has[i] = true;
		}
	}

	ratkaisu[0] = 1;
	luvut_has[ratkaisu[0]] = false;
	ratkaisu[ri = 1] = 2 + (n & ~1);
	if (debug) {
		std::cout << "[" << n << "] = ";
	}
	while (ri > 0 && ri < n) {
		ratkaisu[ri] -= 2;
		if (ratkaisu[ri] < 1) {
			ri -= 1;
			luvut_has[ratkaisu[ri]] = true;
		} else if (luvut_has[ratkaisu[ri]] && alkuluvut_has[ratkaisu[ri] + ratkaisu[ri-1]]) {
			luvut_has[ratkaisu[ri]] = false;
			ri += 1;
			if (ri == n) {
				std::cout << ratkaisu[0];
				for (int i = 1; i < n; ++i) {
					std::cout << ' ' << ratkaisu[i];
				}
				std::cout << std::endl;
				return;
			}
			ratkaisu[ri] = 2 + ((n & ~1) ^ 1 ^ (ratkaisu[ri-1] & 1));
		}
	}
	std::cout << "QAQ\n";
}

int main() {
	int n;
	std::cin >> n;
	if (n == -1) {
		for (int n = 2; n <= 1000; ++n) {
			f(n, true);
		}
	} else {
		f(n);
	}
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`2` view save

correct output
`1 2` view save

user output
`1 2` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`3` view save

correct output
`1 2 3` view save

user output
`1 2 3` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4` view save

correct output
`1 2 3 4` view save

user output
`1 4 3 2` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5` view save

correct output
`3 4 1 2 5` view save

user output
`1 4 3 2 5` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`6` view save

correct output
`3 4 1 2 5 6` view save

user output
`1 6 5 2 3 4` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`7` view save

correct output
`3 4 1 2 5 6 7` view save

user output
`1 6 7 4 3 2 5` view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
`8` view save

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

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

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
`9` view save

correct output
`7 6 5 2 1 4 3 8 9` view save

user output
`1 6 7 4 9 8 5 2 3` view save

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10` view save

correct output
`7 6 5 2 1 4 3 8 9 10` view save

user output
`1 10 9 8 5 6 7 4 3 2` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`19` view save

correct output
`17 14 3 8 15 16 13 6 5 2 1 4 9...` view save

user output
`1 18 19 12 17 14 15 16 13 10 9...` view save

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
`56` view save

correct output
`55 54 53 50 51 52 49 48 13 28 ...` view save

user output
`1 52 55 54 53 56 51 50 47 42 4...` view save

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
`70` view save

correct output
`67 4 1 2 9 32 35 38 65 66 61 4...` view save

user output
`1 70 69 68 63 64 67 60 53 56 5...` view save

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
`76` view save

correct output
`73 66 61 42 59 54 53 50 51 52 ...` view save

user output
`1 72 67 70 69 68 71 66 73 76 7...` view save

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
`90` view save

correct output
`87 86 11 18 29 44 45 16 55 58 ...` view save

user output
`1 88 85 82 81 86 87 80 83 90 8...` view save

Test 15

Group: 2, 3

Verdict: ACCEPTED

input
`100` view save

correct output
`97 96 95 78 25 82 81 56 71 68 ...` view save

user output
`1 100 99 98 95 96 97 94 87 92 ...` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`154` view save

correct output
`151 6 5 92 137 134 149 84 143 ...` view save

user output
`1 150 143 140 153 154 139 144 ...` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`430` view save

correct output
`427 426 371 372 367 376 375 35...` view save

user output
`1 430 429 428 425 414 415 424 ...` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`629` view save

correct output
`627 404 227 146 83 150 77 74 3...` view save

user output
`1 618 619 612 625 624 613 616 ...` view save

Test 19

Group: 3

Verdict: ACCEPTED

input
`833` view save

correct output
`829 828 793 574 523 516 515 51...` view save

user output
`1 828 829 808 819 818 809 812 ...` view save

Test 20

Group: 3

Verdict: ACCEPTED

input
`885` view save

correct output
`883 724 723 878 881 726 721 71...` view save

user output
`1 882 877 876 883 870 871 862 ...` view save

Test 21

Group: 3

Verdict: ACCEPTED

input
`1000` view save

correct output
`997 996 737 884 995 492 991 20...` view save

user output
`1 996 997 1000 999 998 995 992...` view save

Putka Open 2020 – 1/5

Lista

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

Tasks

Submissions (Metabolix)