QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #76812 | #1261. Inv | Lautisticyc | AC ✓ | 6ms | 3844kb | C++14 | 556b | 2023-02-12 11:41:49 | 2023-02-12 11:41:50 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,k;
bitset<250010> bt;
int solve(int x,int y)
{
if(!x||!y) return 1;
if(__builtin_clz(x)==__builtin_clz(y)) return 0;
if(31-__builtin_clz(x)>31-__builtin_clz(y)) return solve(x-(1<<(31-__builtin_clz(x))),y);
else return solve(x,y-(1<<(31-__builtin_clz(y))));
}
int main()
{
// freopen("114.in","r",stdin);
// freopen("514.out","w",stdout);
scanf("%d %d",&n,&k);
for(int i=0;i<=k;++i) bt[i]=solve(n-1,i);
for(int i=1;i<=n;++i) bt^=(bt<<i);
printf("%d\n",(int)bt[k]);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3588kb
input:
4 1
output:
1
result:
ok answer is '1'
Test #2:
score: 0
Accepted
time: 2ms
memory: 3820kb
input:
10 21
output:
0
result:
ok answer is '0'
Test #3:
score: 0
Accepted
time: 3ms
memory: 3600kb
input:
500 124331
output:
0
result:
ok answer is '0'
Test #4:
score: 0
Accepted
time: 2ms
memory: 3840kb
input:
20 122
output:
1
result:
ok answer is '1'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3840kb
input:
100 999
output:
0
result:
ok answer is '0'
Test #6:
score: 0
Accepted
time: 1ms
memory: 3840kb
input:
500 100001
output:
1
result:
ok answer is '1'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3652kb
input:
5 0
output:
1
result:
ok answer is '1'
Test #8:
score: 0
Accepted
time: 2ms
memory: 3628kb
input:
5 1
output:
0
result:
ok answer is '0'
Test #9:
score: 0
Accepted
time: 2ms
memory: 3632kb
input:
5 2
output:
1
result:
ok answer is '1'
Test #10:
score: 0
Accepted
time: 2ms
memory: 3604kb
input:
5 3
output:
1
result:
ok answer is '1'
Test #11:
score: 0
Accepted
time: 1ms
memory: 3844kb
input:
5 4
output:
0
result:
ok answer is '0'
Test #12:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
5 5
output:
0
result:
ok answer is '0'
Test #13:
score: 0
Accepted
time: 2ms
memory: 3596kb
input:
5 6
output:
0
result:
ok answer is '0'
Test #14:
score: 0
Accepted
time: 2ms
memory: 3632kb
input:
5 7
output:
1
result:
ok answer is '1'
Test #15:
score: 0
Accepted
time: 2ms
memory: 3652kb
input:
5 8
output:
1
result:
ok answer is '1'
Test #16:
score: 0
Accepted
time: 2ms
memory: 3844kb
input:
5 9
output:
0
result:
ok answer is '0'
Test #17:
score: 0
Accepted
time: 2ms
memory: 3680kb
input:
5 10
output:
1
result:
ok answer is '1'
Test #18:
score: 0
Accepted
time: 5ms
memory: 3632kb
input:
500 73732
output:
1
result:
ok answer is '1'
Test #19:
score: 0
Accepted
time: 5ms
memory: 3640kb
input:
499 21121
output:
1
result:
ok answer is '1'
Test #20:
score: 0
Accepted
time: 6ms
memory: 3632kb
input:
499 100000
output:
0
result:
ok answer is '0'
Test #21:
score: 0
Accepted
time: 5ms
memory: 3676kb
input:
499 62262
output:
1
result:
ok answer is '1'
Test #22:
score: 0
Accepted
time: 2ms
memory: 3632kb
input:
499 23432
output:
1
result:
ok answer is '1'
Test #23:
score: 0
Accepted
time: 2ms
memory: 3652kb
input:
500 12321
output:
0
result:
ok answer is '0'
Test #24:
score: 0
Accepted
time: 1ms
memory: 3684kb
input:
500 60000
output:
1
result:
ok answer is '1'
Test #25:
score: 0
Accepted
time: 5ms
memory: 3576kb
input:
498 7498
output:
1
result:
ok answer is '1'
Test #26:
score: 0
Accepted
time: 2ms
memory: 3844kb
input:
498 76111
output:
1
result:
ok answer is '1'
Test #27:
score: 0
Accepted
time: 4ms
memory: 3620kb
input:
414 41414
output:
1
result:
ok answer is '1'
Test #28:
score: 0
Accepted
time: 4ms
memory: 3648kb
input:
422 42224
output:
1
result:
ok answer is '1'
Test #29:
score: 0
Accepted
time: 5ms
memory: 3664kb
input:
333 33333
output:
1
result:
ok answer is '1'
Test #30:
score: 0
Accepted
time: 3ms
memory: 3632kb
input:
500 51515
output:
1
result:
ok answer is '1'
Test #31:
score: 0
Accepted
time: 4ms
memory: 3572kb
input:
393 21222
output:
1
result:
ok answer is '1'
Test #32:
score: 0
Accepted
time: 6ms
memory: 3576kb
input:
500 124750
output:
1
result:
ok answer is '1'
Test #33:
score: 0
Accepted
time: 3ms
memory: 3652kb
input:
500 124749
output:
1
result:
ok answer is '1'
Test #34:
score: 0
Accepted
time: 5ms
memory: 3572kb
input:
500 0
output:
1
result:
ok answer is '1'
Test #35:
score: 0
Accepted
time: 2ms
memory: 3652kb
input:
500 1
output:
1
result:
ok answer is '1'
Test #36:
score: 0
Accepted
time: 0ms
memory: 3692kb
input:
1 0
output:
1
result:
ok answer is '1'