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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#72111#4184. Amusement Arcadericky0129AC ✓3ms3532kbC++14747b2023-01-14 01:38:252023-01-14 01:38:27

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-01-14 01:38:27]
  • 评测
  • 测评结果:AC
  • 用时:3ms
  • 内存:3532kb
  • [2023-01-14 01:38:25]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vi vector<int>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vll vector<ll>
#define FOR(i,n) for(int i=0;i<n;i++)
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define pb push_back
#define f first
#define s second

const int MOD = (int)1e9+7;

int main()
{
    ll x;
    cin>>x;
    x--;
    int bits =0;
    int first = -1;
    FOR(j,61){
        if(x&(1LL<<j)){
            if(!bits) first = j;
            bits++;
        }
    }
    if(bits>2) cout<<"impossible\n";
    else if(bits<=1) cout<<"1\n";
    else cout<<(1LL<<first)+1<<endl;

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3516kb

input:

7

output:

3

result:

ok 

Test #2:

score: 0
Accepted
time: 0ms
memory: 3332kb

input:

15

output:

impossible

result:

ok 

Test #3:

score: 0
Accepted
time: 2ms
memory: 3376kb

input:

19

output:

3

result:

ok 

Test #4:

score: 0
Accepted
time: 2ms
memory: 3296kb

input:

2049

output:

1

result:

ok 

Test #5:

score: 0
Accepted
time: 2ms
memory: 3300kb

input:

32769

output:

1

result:

ok 

Test #6:

score: 0
Accepted
time: 0ms
memory: 3408kb

input:

536870913

output:

1

result:

ok 

Test #7:

score: 0
Accepted
time: 2ms
memory: 3332kb

input:

35184372088833

output:

1

result:

ok 

Test #8:

score: 0
Accepted
time: 1ms
memory: 3296kb

input:

2251799813685249

output:

1

result:

ok 

Test #9:

score: 0
Accepted
time: 2ms
memory: 3532kb

input:

576460752303423489

output:

1

result:

ok 

Test #10:

score: 0
Accepted
time: 2ms
memory: 3412kb

input:

1027

output:

3

result:

ok 

Test #11:

score: 0
Accepted
time: 2ms
memory: 3348kb

input:

2081

output:

33

result:

ok 

Test #12:

score: 0
Accepted
time: 2ms
memory: 3380kb

input:

34393292801

output:

33554433

result:

ok 

Test #13:

score: 0
Accepted
time: 2ms
memory: 3288kb

input:

1

output:

1

result:

ok 

Test #14:

score: 0
Accepted
time: 2ms
memory: 3348kb

input:

281543696187393

output:

68719476737

result:

ok 

Test #15:

score: 0
Accepted
time: 2ms
memory: 3448kb

input:

576460752303423491

output:

3

result:

ok 

Test #16:

score: 0
Accepted
time: 1ms
memory: 3228kb

input:

576460752336977921

output:

33554433

result:

ok 

Test #17:

score: 0
Accepted
time: 2ms
memory: 3408kb

input:

576461851815051265

output:

1099511627777

result:

ok 

Test #18:

score: 0
Accepted
time: 2ms
memory: 3292kb

input:

864691128455135233

output:

288230376151711745

result:

ok 

Test #19:

score: 0
Accepted
time: 2ms
memory: 3232kb

input:

635

output:

impossible

result:

ok 

Test #20:

score: 0
Accepted
time: 2ms
memory: 3488kb

input:

4537995

output:

impossible

result:

ok 

Test #21:

score: 0
Accepted
time: 2ms
memory: 3388kb

input:

4795018843

output:

impossible

result:

ok 

Test #22:

score: 0
Accepted
time: 0ms
memory: 3472kb

input:

5268828738869

output:

impossible

result:

ok 

Test #23:

score: 0
Accepted
time: 3ms
memory: 3468kb

input:

3859135424551273

output:

impossible

result:

ok 

Test #24:

score: 0
Accepted
time: 2ms
memory: 3232kb

input:

3

output:

1

result:

ok 

Test #25:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

63913510461995523

output:

impossible

result:

ok 

Test #26:

score: 0
Accepted
time: 1ms
memory: 3388kb

input:

341683697045680425

output:

impossible

result:

ok 

Test #27:

score: 0
Accepted
time: 2ms
memory: 3296kb

input:

999999999999999999

output:

impossible

result:

ok 

Test #28:

score: 0
Accepted
time: 2ms
memory: 3332kb

input:

5

output:

1

result:

ok 

Test #29:

score: 0
Accepted
time: 2ms
memory: 3484kb

input:

9

output:

1

result:

ok 

Test #30:

score: 0
Accepted
time: 2ms
memory: 3480kb

input:

11

output:

3

result:

ok 

Test #31:

score: 0
Accepted
time: 0ms
memory: 3288kb

input:

13

output:

5

result:

ok 

Test #32:

score: 0
Accepted
time: 2ms
memory: 3412kb

input:

17

output:

1

result:

ok