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 |
|---|---|---|---|---|---|---|---|---|---|
| #76807 | #1261. Inv | Lautisticyc | AC ✓ | 31ms | 4492kb | C++14 | 734b | 2023-02-12 11:38:51 | 2023-02-12 11:38:53 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,k;
bitset<2000010> bt;
int solve(int x,int y)
{
if(!x||!y) return 1;
// printf("%d %d %d %d %d %d\n",x,__builtin_clz(x),x-(1<<(31-__builtin_clz(x))),y,__builtin_clz(y),y-(1<<(31-__builtin_clz(y))));
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()
{
// printf(" %d %d %d\n",1-(1<<(31-__builtin_clz(1))),2-(1<<(31-__builtin_clz(2))),3-(1<<(31-__builtin_clz(3))));
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;
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 4296kb
input:
4 1
output:
1
result:
ok answer is '1'
Test #2:
score: 0
Accepted
time: 0ms
memory: 4264kb
input:
10 21
output:
0
result:
ok answer is '0'
Test #3:
score: 0
Accepted
time: 31ms
memory: 4244kb
input:
500 124331
output:
0
result:
ok answer is '0'
Test #4:
score: 0
Accepted
time: 2ms
memory: 4428kb
input:
20 122
output:
1
result:
ok answer is '1'
Test #5:
score: 0
Accepted
time: 11ms
memory: 4276kb
input:
100 999
output:
0
result:
ok answer is '0'
Test #6:
score: 0
Accepted
time: 23ms
memory: 4340kb
input:
500 100001
output:
1
result:
ok answer is '1'
Test #7:
score: 0
Accepted
time: 1ms
memory: 4260kb
input:
5 0
output:
1
result:
ok answer is '1'
Test #8:
score: 0
Accepted
time: 1ms
memory: 4340kb
input:
5 1
output:
0
result:
ok answer is '0'
Test #9:
score: 0
Accepted
time: 3ms
memory: 4320kb
input:
5 2
output:
1
result:
ok answer is '1'
Test #10:
score: 0
Accepted
time: 3ms
memory: 4296kb
input:
5 3
output:
1
result:
ok answer is '1'
Test #11:
score: 0
Accepted
time: 3ms
memory: 4248kb
input:
5 4
output:
0
result:
ok answer is '0'
Test #12:
score: 0
Accepted
time: 3ms
memory: 4460kb
input:
5 5
output:
0
result:
ok answer is '0'
Test #13:
score: 0
Accepted
time: 3ms
memory: 4276kb
input:
5 6
output:
0
result:
ok answer is '0'
Test #14:
score: 0
Accepted
time: 2ms
memory: 4220kb
input:
5 7
output:
1
result:
ok answer is '1'
Test #15:
score: 0
Accepted
time: 1ms
memory: 4236kb
input:
5 8
output:
1
result:
ok answer is '1'
Test #16:
score: 0
Accepted
time: 3ms
memory: 4308kb
input:
5 9
output:
0
result:
ok answer is '0'
Test #17:
score: 0
Accepted
time: 0ms
memory: 4312kb
input:
5 10
output:
1
result:
ok answer is '1'
Test #18:
score: 0
Accepted
time: 24ms
memory: 4260kb
input:
500 73732
output:
1
result:
ok answer is '1'
Test #19:
score: 0
Accepted
time: 26ms
memory: 4484kb
input:
499 21121
output:
1
result:
ok answer is '1'
Test #20:
score: 0
Accepted
time: 26ms
memory: 4488kb
input:
499 100000
output:
0
result:
ok answer is '0'
Test #21:
score: 0
Accepted
time: 29ms
memory: 4264kb
input:
499 62262
output:
1
result:
ok answer is '1'
Test #22:
score: 0
Accepted
time: 25ms
memory: 4488kb
input:
499 23432
output:
1
result:
ok answer is '1'
Test #23:
score: 0
Accepted
time: 25ms
memory: 4312kb
input:
500 12321
output:
0
result:
ok answer is '0'
Test #24:
score: 0
Accepted
time: 27ms
memory: 4296kb
input:
500 60000
output:
1
result:
ok answer is '1'
Test #25:
score: 0
Accepted
time: 22ms
memory: 4244kb
input:
498 7498
output:
1
result:
ok answer is '1'
Test #26:
score: 0
Accepted
time: 28ms
memory: 4264kb
input:
498 76111
output:
1
result:
ok answer is '1'
Test #27:
score: 0
Accepted
time: 23ms
memory: 4272kb
input:
414 41414
output:
1
result:
ok answer is '1'
Test #28:
score: 0
Accepted
time: 21ms
memory: 4248kb
input:
422 42224
output:
1
result:
ok answer is '1'
Test #29:
score: 0
Accepted
time: 18ms
memory: 4488kb
input:
333 33333
output:
1
result:
ok answer is '1'
Test #30:
score: 0
Accepted
time: 28ms
memory: 4492kb
input:
500 51515
output:
1
result:
ok answer is '1'
Test #31:
score: 0
Accepted
time: 21ms
memory: 4488kb
input:
393 21222
output:
1
result:
ok answer is '1'
Test #32:
score: 0
Accepted
time: 26ms
memory: 4484kb
input:
500 124750
output:
1
result:
ok answer is '1'
Test #33:
score: 0
Accepted
time: 27ms
memory: 4488kb
input:
500 124749
output:
1
result:
ok answer is '1'
Test #34:
score: 0
Accepted
time: 18ms
memory: 4248kb
input:
500 0
output:
1
result:
ok answer is '1'
Test #35:
score: 0
Accepted
time: 20ms
memory: 4464kb
input:
500 1
output:
1
result:
ok answer is '1'
Test #36:
score: 0
Accepted
time: 2ms
memory: 4268kb
input:
1 0
output:
1
result:
ok answer is '1'