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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. WereYouLastzhouhuanyi100 ✓4790ms4916kbC++14574b2023-08-26 10:39:512023-08-26 10:39:51

Judging History

你现在查看的是最新测评结果

  • [2023-08-26 10:39:51]
  • 评测
  • 测评结果:100
  • 用时:4790ms
  • 内存:4916kb
  • [2023-08-26 10:39:51]
  • 提交

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.