CSES - Datatähti Open 2021

CSES - Datatähti Open 2021 - Results

Submission details
Task:	Split in Three
Sender:	kostia244
Submission time:	2021-01-30 20:47:37 +0200
Language:	C++ (C++17)
Status:	READY
Result:	22

Feedback
group	verdict	score
#1	ACCEPTED	22
#2	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2	details
#2	ACCEPTED	0.01 s	1, 2	details
#3	ACCEPTED	0.01 s	1, 2	details
#4	ACCEPTED	0.01 s	1, 2	details
#5	ACCEPTED	0.01 s	1, 2	details
#6	ACCEPTED	0.01 s	1, 2	details
#7	ACCEPTED	0.01 s	1, 2	details
#8	ACCEPTED	0.01 s	1, 2	details
#9	ACCEPTED	0.01 s	2	details
#10	WRONG ANSWER	0.01 s	2	details
#11	ACCEPTED	0.01 s	2	details
#12	ACCEPTED	0.01 s	2	details
#13	WRONG ANSWER	0.01 s	2	details
#14	ACCEPTED	0.01 s	2	details
#15	ACCEPTED	0.01 s	2	details

Code

#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
const int maxn = 1<<18;
int col[maxn];
int main() {
	cin.tie(0)->sync_with_stdio(0);
	int n;
	cin >> n;
	if(n%3 == 1) return cout << "IMPOSSIBLE\n", 0;
	int N = n - (n%6);
	if(n%6 == 0) N-=6;
	if(n%6 == 2) N-= 6;
	for(int i = 1; i <= N; i+=3) {
		col[i] = i%2 ? 1 : 3, col[i+1] = 2, col[i+2] = i%2 ? 3 : 1;
	}
	for(int i = 1; i <= N; i++) cout << col[i] << " ";
	if(n%6 == 0) cout << "1 3 2 2 1 3";
	if(n%6 == 2) cout << "1 3 1 2 3 3 1 2";
	if(n%6 == 3) cout << "1 2 3";
	if(n%6 == 5) cout << "3 3 3 1 2";
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`3` view save

correct output
`1 2 3` view save

user output
`1 2 3` view save

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
`4` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
`5` view save

correct output
`1 3 1 3 2` view save

user output
`3 3 3 1 2` view save

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
`6` view save

correct output
`1 3 2 2 1 3` view save

user output
`1 3 2 2 1 3` view save

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
`7` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 6

Group: 1, 2

Verdict: ACCEPTED

input
`8` view save

correct output
`2 3 1 2 3 3 2 1` view save

user output
`1 3 1 2 3 3 1 2` view save

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
`9` view save

correct output
`1 2 3 1 2 3 3 2 1` view save

user output
`1 2 3 3 2 1 1 2 3` view save

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
`10` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 9

Group: 2

Verdict: ACCEPTED

input
`42` view save

correct output
`1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ...` view save

user output
`1 2 3 3 2 1 1 2 3 3 2 1 1 2 3 ...` view save

Test 10

Group: 2

Verdict: WRONG ANSWER

input
`95` view save

correct output
`1 3 1 3 2 1 2 3 3 2 1 1 2 3 3 ...` view save

user output
`1 2 3 3 2 1 1 2 3 3 2 1 1 2 3 ...` Truncated

Test 11

Group: 2

Verdict: ACCEPTED

input
`96` view save

correct output
`1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ...` view save

user output
`1 2 3 3 2 1 1 2 3 3 2 1 1 2 3 ...` Truncated

Test 12

Group: 2

Verdict: ACCEPTED

input
`97` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 13

Group: 2

Verdict: WRONG ANSWER

input
`98` view save

correct output
`2 3 1 2 3 3 2 1 1 2 3 3 2 1 1 ...` view save

user output
`1 2 3 3 2 1 1 2 3 3 2 1 1 2 3 ...` Truncated

Test 14

Group: 2

Verdict: ACCEPTED

input
`99` view save

correct output
`1 2 3 1 2 3 3 2 1 1 2 3 3 2 1 ...` view save

user output
`1 2 3 3 2 1 1 2 3 3 2 1 1 2 3 ...` Truncated

Test 15

Group: 2

Verdict: ACCEPTED

input
`100` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Datatähti Open 2021

Split in Three

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

Tasks

Submissions (kostia244)