CSES - Datatähti 2021 loppu - Results
Submission details
Task:Kolmijako
Sender:Juho
Submission time:2021-01-23 17:09:00 +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

Code

#include <bits/stdc++.h>
using namespace std;

int n;
int main() {
    cin>>n;
    if(n%3==1){
        cout<<"IMPOSSIBLE";
    }else if(n%3==0){
        if(n%2==1){
            for(int i=1;i<=n;i++){
                if(i%3==2){
                    cout<<2<<" ";
                }else if(i%3==1){
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }else{
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }
            }
        }else{
            cout<<3<<" "<<2<<" "<<3<<" ";
            for(int i=4;i<=n;i++){
                if(i%3==2){
                    cout<<2<<" ";
                }else if(i%3==1){
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }else{
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }
            }
        }
    }else{
        if(n%2==0){
            cout<<2<<" "<<3<<" ";
            for(int i=1;i<=n-2;i++){
                if(i%3==2){
                    cout<<2<<" ";
                }else if(i%3==1){
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }else{
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }
            }
        }else{
            cout<<1<<" "<<3<<" "<<1<<" "<<3<<" "<<2<<" ";
            for(int i=1;i<=n-5;i++){
                if(i%3==2){
                    cout<<2<<" ";
                }else if(i%3==1){
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }else{
                    if((i/3)%2==0){
                        cout<<1<<" ";
                    }else{
                        cout<<3<<" ";
                    }
                }
            }
        }
    }
}

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
3 2 3 3 2 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
2 3 1 2 3 3 2 1 

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 3 2 1 1 2 3 

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 2 3 3 2 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
1 3 1 3 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 2 3 3 2 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
2 3 1 2 3 3 2 1 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 3 2 1 1 2 3 3 2 1 1 2 3 ...

Test 15

Group: 2

Verdict: ACCEPTED

input
100

correct output
IMPOSSIBLE

user output
IMPOSSIBLE