QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #145114 | #4184. Amusement Arcade | w1ck | AC ✓ | 1ms | 3628kb | C++14 | 510b | 2023-08-21 22:01:17 | 2023-08-21 22:01:20 |
Judging History
answer
#include <bits/stdc++.h>
//#define endl '\n'
using namespace std;
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
long long n;
cin >> n;
for (long long i = 0; i < 60; i++) {
long long x = (1ll << i);
if (i == 0)x = 0;
if (x + 1 > n)break;
long long l = x, r = n - x - 1;
while (l && l % 2 == 0)l /= 2;
if (l > 1)continue;
while (r && r % 2 == 0)r /= 2;
if (r > 1)continue;
cout << x + 1 << endl;
exit(0);
}
cout << "impossible" << endl;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3372kb
input:
7
output:
3
result:
ok
Test #2:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
15
output:
impossible
result:
ok
Test #3:
score: 0
Accepted
time: 1ms
memory: 3364kb
input:
19
output:
3
result:
ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 3592kb
input:
2049
output:
1
result:
ok
Test #5:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
32769
output:
1
result:
ok
Test #6:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
536870913
output:
1
result:
ok
Test #7:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
35184372088833
output:
1
result:
ok
Test #8:
score: 0
Accepted
time: 1ms
memory: 3456kb
input:
2251799813685249
output:
1
result:
ok
Test #9:
score: 0
Accepted
time: 1ms
memory: 3576kb
input:
576460752303423489
output:
1
result:
ok
Test #10:
score: 0
Accepted
time: 1ms
memory: 3396kb
input:
1027
output:
3
result:
ok
Test #11:
score: 0
Accepted
time: 1ms
memory: 3460kb
input:
2081
output:
33
result:
ok
Test #12:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
34393292801
output:
33554433
result:
ok
Test #13:
score: 0
Accepted
time: 1ms
memory: 3476kb
input:
1
output:
1
result:
ok
Test #14:
score: 0
Accepted
time: 1ms
memory: 3412kb
input:
281543696187393
output:
68719476737
result:
ok
Test #15:
score: 0
Accepted
time: 1ms
memory: 3396kb
input:
576460752303423491
output:
3
result:
ok
Test #16:
score: 0
Accepted
time: 1ms
memory: 3472kb
input:
576460752336977921
output:
33554433
result:
ok
Test #17:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
576461851815051265
output:
1099511627777
result:
ok
Test #18:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
864691128455135233
output:
288230376151711745
result:
ok
Test #19:
score: 0
Accepted
time: 1ms
memory: 3372kb
input:
635
output:
impossible
result:
ok
Test #20:
score: 0
Accepted
time: 1ms
memory: 3464kb
input:
4537995
output:
impossible
result:
ok
Test #21:
score: 0
Accepted
time: 1ms
memory: 3484kb
input:
4795018843
output:
impossible
result:
ok
Test #22:
score: 0
Accepted
time: 0ms
memory: 3600kb
input:
5268828738869
output:
impossible
result:
ok
Test #23:
score: 0
Accepted
time: 1ms
memory: 3380kb
input:
3859135424551273
output:
impossible
result:
ok
Test #24:
score: 0
Accepted
time: 1ms
memory: 3400kb
input:
3
output:
1
result:
ok
Test #25:
score: 0
Accepted
time: 1ms
memory: 3580kb
input:
63913510461995523
output:
impossible
result:
ok
Test #26:
score: 0
Accepted
time: 1ms
memory: 3412kb
input:
341683697045680425
output:
impossible
result:
ok
Test #27:
score: 0
Accepted
time: 1ms
memory: 3528kb
input:
999999999999999999
output:
impossible
result:
ok
Test #28:
score: 0
Accepted
time: 0ms
memory: 3416kb
input:
5
output:
1
result:
ok
Test #29:
score: 0
Accepted
time: 1ms
memory: 3460kb
input:
9
output:
1
result:
ok
Test #30:
score: 0
Accepted
time: 1ms
memory: 3524kb
input:
11
output:
3
result:
ok
Test #31:
score: 0
Accepted
time: 1ms
memory: 3460kb
input:
13
output:
5
result:
ok
Test #32:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
17
output:
1
result:
ok