| Task: | Split in Three |
| Sender: | andr1y |
| Submission time: | 2021-01-30 12:17:14 +0200 |
| Language: | C++ (C++17) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 22 |
| #2 | ACCEPTED | 78 |
| 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 |
| 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 2 1 2 3 2 1 3 |
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 1 2 2 1 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 |
|---|
| 1 3 2 2 1 3 3 1 2 2 1 3 3 1 2 ... |
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 3 1 2 2 1 3 3 1 2 2 ... Truncated |
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 |
|---|
| 1 3 2 2 1 3 3 1 2 2 1 3 3 1 2 ... Truncated |
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 2 1 2 3 2 1 3 3 1 2 2 1 3 3 ... Truncated |
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 1 2 2 1 3 3 1 2 2 1 3 ... Truncated |
Test 15
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100 |
| correct output |
|---|
| IMPOSSIBLE |
| user output |
|---|
| IMPOSSIBLE |