CSES - Putka Open 2020 – 1/5

Submission details
Task:	Lista
Sender:	ArktinenKarpalo
Submission time:	2020-09-04 20:50:19 +0300
Language:	C++ (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	0.02 s	3	details
#20	ACCEPTED	0.02 s	3	details
#21	ACCEPTED	0.02 s	3	details

Code

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define ld long double

using namespace std;

int n;
bool lol = false;
bool p[1111][1111], z[1111];
int cnt[1111];

bool prime(int lk) {
	for(int i=2; i*i<=lk; i++) {
		if(lk%i == 0)
			return false;
	}
	return true;
}

int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin >> n;
		for(int i=0; i<=1000; i++)
			for(int j=0; j<=1000; j++) {
				z[j] = 0;
				p[i][j] = 0;
				cnt[j] = 0;
			}
	for(int i=1; i<=n; i++) {
		p[i][0] = 1;
		for(int j=i+1; j<=n; j++) {
			if(prime(i+j)) {
				p[i][j] = 1;
				p[j][i] = 1;
				cnt[i]++;
				cnt[j]++;
			}
		}
	}
	vector<pair<int,int>> v;
	for(int i=n; i>=1; i--) {
		v.push_back(make_pair(cnt[i], -i));
	}
//	sort(v.begin(), v.end());
	vector<int> ans;
	int c = -v[0].second;
	ans.push_back(c);
	z[0] = 1;
	for(int i=1; i<n; i++) {
		for(int j=1; j<n; j++) {
			if(z[j] || !p[c][-v[j].second])
				continue;
			ans.push_back(-v[j].second);
			c = -v[j].second;
			z[j] = 1;
			break;
		}
	}
	int ed = -1;
	for(auto u:ans) {
		if(ed != -1) {
			if(!prime(u+ed))
				cout << "QAQ";
		}
			cout<<u<<" ";
		ed = u;
	}
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`2` view save

correct output
`1 2` view save

user output
`2 1` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`3` view save

correct output
`1 2 3` view save

user output
`3 2 1` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4` view save

correct output
`1 2 3 4` view save

user output
`4 3 2 1` 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
`5 2 3 4 1` 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
`6 5 2 3 4 1` 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
`7 6 5 2 3 4 1` 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
`8 5 6 7 4 3 2 1` 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
`9 8 5 6 7 4 3 2 1` 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
`10 9 8 5 6 7 4 3 2 1` 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
`19 18 13 16 15 14 17 12 11 8 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
`56 53 54 55 52 51 50 47 42 41 ...` Truncated

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
`70 69 68 63 64 67 60 53 56 57 ...` Truncated

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
`76 75 74 65 72 67 70 69 68 71 ...` Truncated

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
`90 89 84 83 80 87 86 81 82 85 ...` Truncated

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
`100 99 98 95 96 97 94 87 92 89...` Truncated

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
`154 153 140 143 150 133 148 14...` Truncated

Test 17

Group: 3

Verdict: ACCEPTED

input
`430` view save

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

user output
`430 429 428 425 414 415 424 40...` Truncated

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
`629 620 617 614 623 626 611 61...` Truncated

Test 19

Group: 3

Verdict: ACCEPTED

input
`833` view save

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

user output
`833 830 827 810 817 820 807 81...` Truncated

Test 20

Group: 3

Verdict: ACCEPTED

input
`885` view save

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

user output
`885 874 879 880 873 868 865 88...` Truncated

Test 21

Group: 3

Verdict: ACCEPTED

input
`1000` view save

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

user output
`1000 999 998 995 992 987 986 9...` Truncated

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 (ArktinenKarpalo)