QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #34421 | #4184. Amusement Arcade | caobao | AC ✓ | 2ms | 3700kb | C++17 | 659b | 2022-06-08 19:45:45 | 2022-06-08 19:45:47 |
Judging History
answer
#include<bits/stdc++.h>
#define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int N = 1e5 + 5;
const int INF = 0x3f3f3f3f;
const ll mod = 998244353;
using namespace std;
int main()
{
IOS
ll n;
cin >> n;
vector<ll> x{1, 3};
while(x.back() <= n)
{
x.push_back(x.back() * 2 - 1);
}
for(auto v : x)
{
if(v <= n && find(x.begin(), x.end(), n - v + 1) != x.end())
{
cout << v << endl;
return 0;
}
}
cout << "impossible" << endl;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3672kb
input:
7
output:
3
result:
ok
Test #2:
score: 0
Accepted
time: 2ms
memory: 3620kb
input:
15
output:
impossible
result:
ok
Test #3:
score: 0
Accepted
time: 2ms
memory: 3612kb
input:
19
output:
3
result:
ok
Test #4:
score: 0
Accepted
time: 2ms
memory: 3620kb
input:
2049
output:
1
result:
ok
Test #5:
score: 0
Accepted
time: 2ms
memory: 3528kb
input:
32769
output:
1
result:
ok
Test #6:
score: 0
Accepted
time: 2ms
memory: 3532kb
input:
536870913
output:
1
result:
ok
Test #7:
score: 0
Accepted
time: 2ms
memory: 3516kb
input:
35184372088833
output:
1
result:
ok
Test #8:
score: 0
Accepted
time: 2ms
memory: 3548kb
input:
2251799813685249
output:
1
result:
ok
Test #9:
score: 0
Accepted
time: 2ms
memory: 3620kb
input:
576460752303423489
output:
1
result:
ok
Test #10:
score: 0
Accepted
time: 2ms
memory: 3528kb
input:
1027
output:
3
result:
ok
Test #11:
score: 0
Accepted
time: 2ms
memory: 3532kb
input:
2081
output:
33
result:
ok
Test #12:
score: 0
Accepted
time: 2ms
memory: 3520kb
input:
34393292801
output:
33554433
result:
ok
Test #13:
score: 0
Accepted
time: 2ms
memory: 3532kb
input:
1
output:
1
result:
ok
Test #14:
score: 0
Accepted
time: 2ms
memory: 3540kb
input:
281543696187393
output:
68719476737
result:
ok
Test #15:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
576460752303423491
output:
3
result:
ok
Test #16:
score: 0
Accepted
time: 2ms
memory: 3628kb
input:
576460752336977921
output:
33554433
result:
ok
Test #17:
score: 0
Accepted
time: 2ms
memory: 3536kb
input:
576461851815051265
output:
1099511627777
result:
ok
Test #18:
score: 0
Accepted
time: 2ms
memory: 3624kb
input:
864691128455135233
output:
288230376151711745
result:
ok
Test #19:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
635
output:
impossible
result:
ok
Test #20:
score: 0
Accepted
time: 2ms
memory: 3484kb
input:
4537995
output:
impossible
result:
ok
Test #21:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
4795018843
output:
impossible
result:
ok
Test #22:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
5268828738869
output:
impossible
result:
ok
Test #23:
score: 0
Accepted
time: 2ms
memory: 3700kb
input:
3859135424551273
output:
impossible
result:
ok
Test #24:
score: 0
Accepted
time: 2ms
memory: 3544kb
input:
3
output:
1
result:
ok
Test #25:
score: 0
Accepted
time: 2ms
memory: 3612kb
input:
63913510461995523
output:
impossible
result:
ok
Test #26:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
341683697045680425
output:
impossible
result:
ok
Test #27:
score: 0
Accepted
time: 2ms
memory: 3612kb
input:
999999999999999999
output:
impossible
result:
ok
Test #28:
score: 0
Accepted
time: 2ms
memory: 3536kb
input:
5
output:
1
result:
ok
Test #29:
score: 0
Accepted
time: 2ms
memory: 3620kb
input:
9
output:
1
result:
ok
Test #30:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
11
output:
3
result:
ok
Test #31:
score: 0
Accepted
time: 2ms
memory: 3516kb
input:
13
output:
5
result:
ok
Test #32:
score: 0
Accepted
time: 1ms
memory: 3544kb
input:
17
output:
1
result:
ok