CSES - Datatähti Open 2021

CSES - Datatähti Open 2021 - Results

Submission details
Task:	Split in Three
Sender:	andr1y
Submission time:	2021-01-30 12:17:14 +0200
Language:	C++ (C++17)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	22
#2	ACCEPTED	78

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	ACCEPTED	0.01 s	2	details
#11	ACCEPTED	0.01 s	2	details
#12	ACCEPTED	0.01 s	2	details
#13	ACCEPTED	0.01 s	2	details
#14	ACCEPTED	0.01 s	2	details
#15	ACCEPTED	0.01 s	2	details

Code

// -- //
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll N = 1e5+228;
ll bel[N];
vector<ll> bl[3];
signed main(){
	cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);
    ll n;
    cin>>n;
    if(n%3==0){
        ll xs[3] = {0, 1, 2};
        bl[0].push_back(1);
        bl[1].push_back(2);
        bl[2].push_back(3);
        for(ll i =4;i<n;i+=3){
            bl[xs[0]].push_back(i+1);
            bl[xs[1]].push_back(i+2);
            bl[xs[2]].push_back(i);
            swap(xs[1], xs[2]);
        }
        for(auto i : bl[xs[0]]) bel[i]=1;
        for(auto i : bl[xs[1]]) bel[i]=2;
        for(auto i : bl[xs[2]]) bel[i]=3;
        for(ll i = 1;i<=n;i++) cout<<bel[i]<<' ';
    }else if(n%3==2){
        ll xs[3] = {0, 1, 2};
        bl[0].push_back(1);
        bl[0].push_back(3);
        bl[1].push_back(5);
        bl[2].push_back(2);
        bl[2].push_back(4);
        for(ll i =6;i<n;i+=3){
            bl[xs[0]].push_back(i+1);
            bl[xs[1]].push_back(i+2);
            bl[xs[2]].push_back(i);
            swap(xs[1], xs[2]);
        }
        for(auto i : bl[xs[0]]) bel[i]=1;
        for(auto i : bl[xs[1]]) bel[i]=2;
        for(auto i : bl[xs[2]]) bel[i]=3;
        for(ll i = 1;i<=n;i++) cout<<bel[i]<<' ';
    }else cout<<"IMPOSSIBLE";
}

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
`1 3 1 3 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 2 1 2 3 2 1 3` 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 1 2 2 1 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 3 2 2 1 3 3 1 2 2 1 3 3 1 2 ...` view save

Test 10

Group: 2

Verdict: ACCEPTED

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 3 1 3 2 3 1 2 2 1 3 3 1 2 2 ...` 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 3 2 2 1 3 3 1 2 2 1 3 3 1 2 ...` 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: ACCEPTED

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 1 2 3 2 1 3 3 1 2 2 1 3 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 1 2 2 1 3 3 1 2 2 1 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 (andr1y)