CSES - Datatähti Open 2021 - Results
Submission details
Task:Split in Three
Sender:mahmoudbadawy
Submission time:2021-01-30 23:58:56 +0200
Language:C++ (C++11)
Status:READY
Result:22
Feedback
groupverdictscore
#1ACCEPTED22
#20
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
#90.01 s2details
#100.01 s2details
#110.01 s2details
#120.01 s2details
#130.01 s2details
#140.01 s2details
#150.01 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:33:7: 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 ans[11];

int go(int x)
{
	if(x>n)
	{
		int sum[3]={0};
		for(int j=1;j<=n;j++)
			sum[ans[j]-1]+=j;
		if(sum[0]==sum[1]-1&&sum[1]==sum[2]-1)
		{
			for(int i=1;i<=n;i++)
				printf("%d%c",ans[i]," \n"[i==n]);
			return 1;
		}
		return 0;
	}
	for(int i=1;i<=3;i++)
	{
		ans[x]=i;
		if(go(x+1)) return 1;
	}
	return 0;
}

int main()
{
	scanf("%d",&n);
	if(n<=10)
	{
		if(go(1)) return 0;
		puts("IMPOSSIBLE");
	}
}

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
1 3 1 3 2

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
6

correct output
1 3 2 2 1 3 

user output
1 3 2 2 1 3

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 1 1 2 1 3 3 2

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
9

correct output
1 2 3 1 2 3 3 2 1 

user output
1 1 1 2 2 2 3 1 3

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
10

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 9

Group: 2

Verdict:

input
42

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

user output
(empty)

Test 10

Group: 2

Verdict:

input
95

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

user output
(empty)

Test 11

Group: 2

Verdict:

input
96

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

user output
(empty)

Test 12

Group: 2

Verdict:

input
97

correct output
IMPOSSIBLE

user output
(empty)

Test 13

Group: 2

Verdict:

input
98

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

user output
(empty)

Test 14

Group: 2

Verdict:

input
99

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

user output
(empty)

Test 15

Group: 2

Verdict:

input
100

correct output
IMPOSSIBLE

user output
(empty)