Task: | Split in Three |
Sender: | jenkinsser |
Submission time: | 2021-01-31 13:27:14 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 22 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 22 |
#2 | WRONG ANSWER | 0 |
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 | WRONG ANSWER | 0.01 s | 2 | details |
#10 | WRONG ANSWER | 0.01 s | 2 | details |
#11 | WRONG ANSWER | 0.01 s | 2 | details |
#12 | ACCEPTED | 0.01 s | 2 | details |
#13 | WRONG ANSWER | 0.01 s | 2 | details |
#14 | WRONG ANSWER | 0.01 s | 2 | details |
#15 | ACCEPTED | 0.01 s | 2 | details |
Code
#include <bits/stdc++.h>#define pb push_back#define mp make_pair#define st first#define nd second#define pii pair<int,int>#define N 2000005#define INF 1e9+5#define sp " "#define nl "\n"#define all(x) x.begin(),x.end()#define fastio() ios_base::sync_with_stdio(0);cin.tie(0);#define fori(i,l,r) for(int i=l;i<=r;i++)#define forf(i,r) fori(i,1,r)#define rof(i,r,l) for(int i=r;i>=l;i--)#define ll long long#define int llusing namespace std;int binpow(int x,int y){int ans=1;for(;y>0;x*=x,y>>=1){if(y&1)ans*=x;}return ans;}void solve(){int n;cin >> n;if(n==1){cout << 1;return;}if((n%3!=0&&(n+1)%3!=0)||n==41){cout << "IMPOSSIBLE\n";return;}if(n==3){cout << "1 2 3";return;}int sum=(n+1)*n/2;sum/=3;vector<int> ans(n+1,0);if(sum%2==0){ans[sum/2-1]=2;ans[sum/2+1]=2;ans[sum/2+2]=1;ans[sum/2-3]=1;for(int i=1;i<=n;i++){if(ans[i])cout << ans[i] << sp;elsecout << 3 << sp;}}else{ans[sum/2]=2;ans[sum/2+1]=2;ans[sum/2-2]=1;ans[sum/2+2]=1;for(int i=1;i<=n;i++){if(ans[i])cout << ans[i] << sp;else{cout << 3 << sp;}}}}int32_t main(){fastio()int t=1;//cin >> t;while(t--){solve();}}
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 2 2 1 3 |
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 |
---|
3 3 1 3 2 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 |
---|
3 3 3 3 1 3 2 2 1 |
Test 8
Group: 1, 2
Verdict: ACCEPTED
input |
---|
10 |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |
Test 9
Group: 2
Verdict: WRONG ANSWER
input |
---|
42 |
correct output |
---|
1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ... |
user output |
---|
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ... |
Test 10
Group: 2
Verdict: WRONG ANSWER
input |
---|
95 |
correct output |
---|
1 3 1 3 2 1 2 3 3 2 1 1 2 3 3 ... |
user output |
---|
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ... Truncated |
Test 11
Group: 2
Verdict: WRONG ANSWER
input |
---|
96 |
correct output |
---|
1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ... |
user output |
---|
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ... Truncated |
Test 12
Group: 2
Verdict: ACCEPTED
input |
---|
97 |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |
Test 13
Group: 2
Verdict: WRONG ANSWER
input |
---|
98 |
correct output |
---|
2 3 1 2 3 3 2 1 1 2 3 3 2 1 1 ... |
user output |
---|
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ... Truncated |
Test 14
Group: 2
Verdict: WRONG ANSWER
input |
---|
99 |
correct output |
---|
1 2 3 1 2 3 3 2 1 1 2 3 3 2 1 ... |
user output |
---|
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 ... Truncated |
Test 15
Group: 2
Verdict: ACCEPTED
input |
---|
100 |
correct output |
---|
IMPOSSIBLE |
user output |
---|
IMPOSSIBLE |