| Task: | Split in Three |
| Sender: | vishesh312 |
| Submission time: | 2021-01-30 17:43:30 +0200 |
| Language: | 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 | 0.03 s | 1, 2 | details |
| #9 | WRONG ANSWER | 0.05 s | 2 | details |
| #10 | RUNTIME ERROR | 0.41 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"
using namespace std;
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using ordered_set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
*/
#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()
typedef long long ll;
const int mod = 1e9+7;
int n, sum;
vector<int> ans(3, 1e9);
void rec(vector<int> v, int x, int col) {
v[col] |= (1 << x);
int used = v[0] | v[1] | v[2];
if (used == ((1<<(n+2)) - 2)) {
vector<int> s(3);
for (int i = 1; i <= n; ++i) {
if (v[0]&(1<<i)) s[0] += i;
if (v[1]&(1<<i)) s[1] += i;
if (v[2]&(1<<i)) s[2] += i;
}
if (s[0] == s[1]-1 and s[2] == s[1]+1) {
ans = v;
}
return;
}
for (int i = 0; i < 3; ++i) {
rec(v, x+1, i);
}
}
void solve(int tc) {
cin >> n;
sum = (n * (n + 1)) / 2;
vector<int> col(n+1);
rec(vector<int>(3), 1, 0);
rec(vector<int>(3), 1, 1);
rec(vector<int>(3), 1, 2);
if (ans[0] != 1e9) {
for (int i = 1; i <= n; ++i) {
if (ans[0]&(1<<i)) cout << "1 ";
if (ans[1]&(1<<i)) cout << "2 ";
if (ans[2]&(1<<i)) cout << "3 ";
}
cout << '\n';
} else {
cout << "IMPOSSIBLE\n";
}
}
signed main() {
ios_base::sync_with_stdio(false); cin.tie(NULL);
int tc = 1;
//cin >> tc;
for (int i = 1; i <= tc; ++i) solve(i);
return 0;
}
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 3 3 1 2 |
Test 4
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 6 |
| correct output |
|---|
| 1 3 2 2 1 3 |
| user output |
|---|
| 3 3 2 2 3 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 |
|---|
| 3 3 3 2 1 1 3 2 |
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 2 2 1 1 2 1 2 3 3 3 3 ... |
Test 10
Group: 2
Verdict: RUNTIME ERROR
| 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: WRONG ANSWER
| input |
|---|
| 96 |
| correct output |
|---|
| 1 3 2 2 1 3 1 2 3 3 2 1 1 2 3 ... |
| user output |
|---|
| IMPOSSIBLE |
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 |
|---|
| IMPOSSIBLE |
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 |
|---|
| IMPOSSIBLE |
Test 15
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100 |
| correct output |
|---|
| IMPOSSIBLE |
| user output |
|---|
| IMPOSSIBLE |