| Task: | Split in Three |
| Sender: | pidddgy |
| Submission time: | 2021-01-31 17:18:18 +0200 |
| Language: | C++ (C++11) |
| Status: | READY |
| Result: | 0 |
| group | verdict | score |
|---|---|---|
| #1 | RUNTIME ERROR | 0 |
| #2 | RUNTIME ERROR | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.01 s | 1, 2 | details |
| #2 | ACCEPTED | 0.01 s | 1, 2 | details |
| #3 | RUNTIME ERROR | 0.01 s | 1, 2 | details |
| #4 | RUNTIME ERROR | 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;
#define cerr if(false) cerr
#define watch(x) cerr << (#x) << " is " << (x) << endl;
#define endl '\n'
#define ld long double
#define int long long
#define pii pair<int, int>
#define fi first
#define se second
#define sz(a) (int)(a).size()
#define y1 lsdjkfhshfdsighoihweogihewoghi
#define all(x) (x).begin(), (x).end()
void solve() {
}
const int maxn = 105;
int n;
int sum = 0;
int g[maxn];
void go(int group) {
// look for sum+1
watch(sum+group-2)
int cur = 0;
for(int i = n; i >= 1; i--) {
if(!g[i] and cur+i <= sum+(group-2)) {
cur += i;
g[i] = group;
}
}
assert(cur == sum+group-2);
}
signed main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n;
sum = (n*(n+1))/2;
if(sum % 3) {
cout << "IMPOSSIBLE" << endl;
return 0;
}
sum /= 3;
go(3);
go(2);
go(1);
for(int i = 1; i <= n; i++) {
cout << g[i] << " ";
}
cout << endl;
}
/*
*/
// Did you read the bounds?
// Did you make typos?
// Are there edge cases (N=1?)
// Are array sizes proper?
// Integer overflow?
// DS reset properly between test cases?
// Is using long longs causing TLE?
// Are you using floating points?
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: RUNTIME ERROR
| input |
|---|
| 5 |
| correct output |
|---|
| 1 3 1 3 2 |
| user output |
|---|
| (empty) |
Error:
code: input/code.cpp:37: void go(long long int): Assertion `cur == sum+group-2' failed.
Test 4
Group: 1, 2
Verdict: RUNTIME ERROR
| input |
|---|
| 6 |
| correct output |
|---|
| 1 3 2 2 1 3 |
| user output |
|---|
| (empty) |
Error:
code: input/code.cpp:37: void go(long long int): Assertion `cur == sum+group-2' failed.
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 1 1 2 3 1 2 3 |
Test 7
Group: 1, 2
Verdict: ACCEPTED
| input |
|---|
| 9 |
| correct output |
|---|
| 1 2 3 1 2 3 3 2 1 |
| user output |
|---|
| 2 1 1 1 1 2 3 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 |
|---|
| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... 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 1 1 1 1 1 3 1 1 1 1 1 1 1 1 ... 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 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... Truncated |
Test 15
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100 |
| correct output |
|---|
| IMPOSSIBLE |
| user output |
|---|
| IMPOSSIBLE |