CSES - Datatähti Open 2021 - Results
Submission details
Task:Split in Three
Sender:nhho
Submission time:2021-01-31 07:33:10 +0200
Language:C++11
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED22
#2ACCEPTED78
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2details
#2ACCEPTED0.01 s1, 2details
#3ACCEPTED0.01 s1, 2details
#4ACCEPTED0.01 s1, 2details
#5ACCEPTED0.01 s1, 2details
#6ACCEPTED0.01 s1, 2details
#7ACCEPTED0.01 s1, 2details
#8ACCEPTED0.01 s1, 2details
#9ACCEPTED0.01 s2details
#10ACCEPTED0.01 s2details
#11ACCEPTED0.01 s2details
#12ACCEPTED0.01 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.01 s2details
#15ACCEPTED0.01 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~

Code

#include <bits/stdc++.h>

using namespace std;

int n;
int x[9][9] = {
	{},
	{},
	{},
	{0, 1, 2, 3},
	{},
	{0, 3, 3, 3, 1, 2},
	{0, 3, 3, 2, 2, 3, 1},
	{},
	{0, 1, 3, 1, 2, 3, 3, 1, 2},
};
int y[] = {1, 2, 3, 3, 2, 1};

int main() {
	scanf("%d", &n);
	if (n % 3 == 1) {
		puts("IMPOSSIBLE");
		return 0;
	}
	int tmp = (n - 3) % 6 + 3;
	for (int i = 1; i <= tmp; i++) printf("%d%c", x[tmp][i], " \n"[i == n]);
	for (int i = tmp + 1; i <= n; i++) printf("%d%c", y[(i - tmp - 1) % 6], " \n"[i == n]);
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
3

correct output
1 2 3 

user output
1 2 3

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
4

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
5

correct output
1 3 1 3 2 

user output
3 3 3 1 2

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
6

correct output
1 3 2 2 1 3 

user output
3 3 2 2 3 1

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
7

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 6

Group: 1, 2

Verdict: ACCEPTED

input
8

correct output
2 3 1 2 3 3 2 1 

user output
1 3 1 2 3 3 1 2

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
9

correct output
1 2 3 1 2 3 3 2 1 

user output
1 2 3 1 2 3 3 2 1

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
10

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 9

Group: 2

Verdict: ACCEPTED

input
42

correct output
1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ...

user output
3 3 2 2 3 1 1 2 3 3 2 1 1 2 3 ...

Test 10

Group: 2

Verdict: ACCEPTED

input
95

correct output
1 3 1 3 2 1 2 3 3 2 1 1 2 3 3 ...

user output
3 3 3 1 2 1 2 3 3 2 1 1 2 3 3 ...

Test 11

Group: 2

Verdict: ACCEPTED

input
96

correct output
1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ...

user output
3 3 2 2 3 1 1 2 3 3 2 1 1 2 3 ...

Test 12

Group: 2

Verdict: ACCEPTED

input
97

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 13

Group: 2

Verdict: ACCEPTED

input
98

correct output
2 3 1 2 3 3 2 1 1 2 3 3 2 1 1 ...

user output
1 3 1 2 3 3 1 2 1 2 3 3 2 1 1 ...

Test 14

Group: 2

Verdict: ACCEPTED

input
99

correct output
1 2 3 1 2 3 3 2 1 1 2 3 3 2 1 ...

user output
1 2 3 1 2 3 3 2 1 1 2 3 3 2 1 ...

Test 15

Group: 2

Verdict: ACCEPTED

input
100

correct output
IMPOSSIBLE

user output
IMPOSSIBLE