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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#457011#4912. WereYouLastmarher100 ✓5856ms5072kbC++17780b2024-06-28 20:52:382024-06-28 20:52:38

Judging History

你现在查看的是最新测评结果

  • [2024-06-28 20:52:38]
  • 评测
  • 测评结果:100
  • 用时:5856ms
  • 内存:5072kb
  • [2024-06-28 20:52:38]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

bool query(int);
void modify(int,bool);

bool WereYouLast(int n,int m)
{
    if(n==1024)
    {
        int w=0;
        for(int i=0;i<10;i++)w|=(1<<i)*query(i+1);
        if(w==1023)return 1;w++;
        for(int i=0;i<10;i++)modify(i+1,(w>>i)&1);
        return 0;
    }
    int rn=0;
    while((1<<rn)<n)rn++;
    n=rn;
    int pos=0;
    for(int i=0;i<5;i++)pos|=(1<<i)*query(i+50);
    if(pos==31)return 1;
    int w=query(pos+1);
    if(pos==n-1)
    {
        for(int i=0;i<5;i++)modify(i+50,1);
        return 0;
    }
    modify(pos+1,w^1);
    if(w)
    {
        pos++;
        for(int i=0;i<5;i++)modify(i+50,(pos>>i)&1);
    }
    else for(int i=0;i<5;i++)modify(i+50,0);
    return 0;
}

Details

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Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 1ms
memory: 3860kb

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: 5024kb

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: 81ms
memory: 5072kb

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: 5856ms
memory: 5020kb

input:

67108864 100000

output:

12345876 6 6

result:

ok Correct Answer.
C1 = 6.
C2 = 6.