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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 |
---|---|---|---|---|---|---|---|---|---|
#150802 | #4912. WereYouLast | zhouhuanyi | 100 ✓ | 4790ms | 4916kb | C++14 | 574b | 2023-08-26 10:39:51 | 2023-08-26 10:39:51 |
Judging History
answer
#include<bits/stdc++.h>
#define N 7
using namespace std;
bool query(int);
void modify(int,bool);
bool WereYouLast(int n,int m)
{
if (n==(1<<10))
{
for (int i=1;i<=10;++i)
if (!query(i))
{
for (int j=1;j<=i-1;++j) modify(j,0);
modify(i,1);
return 0;
}
return 1;
}
else
{
int l=__builtin_ctz(n),ps=0;
for (int i=1;i<=5;++i) ps=(ps<<1)|query(i);
if (l==ps) return 1;
if (!query(6+ps)&&ps!=l-1) modify(6+ps,1),ps=0;
else modify(6+ps,0),ps++;
for (int i=1;i<=5;++i) modify(i,(ps>>(5-i))&1);
return 0;
}
}
详细
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 1ms
memory: 3628kb
input:
1024 10
output:
12345876 10 10
result:
ok Correct Answer. C1 = 10. C2 = 10.
Subtask #2:
score: 20
Accepted
Test #2:
score: 20
Accepted
time: 6ms
memory: 4792kb
input:
65536 100000
output:
12345876 6 6
result:
ok Correct Answer. C1 = 6. C2 = 6.
Subtask #3:
score: 30
Accepted
Test #3:
score: 30
Accepted
time: 77ms
memory: 4792kb
input:
1048576 100000
output:
12345876 6 6
result:
ok Correct Answer. C1 = 6. C2 = 6.
Subtask #4:
score: 40
Accepted
Test #4:
score: 40
Accepted
time: 4790ms
memory: 4916kb
input:
67108864 100000
output:
12345876 6 6
result:
ok Correct Answer. C1 = 6. C2 = 6.