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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
#462493#4912. WereYouLast2745518585100 ✓6427ms5060kbC++20714b2024-07-03 20:17:042024-07-03 20:17:05

Judging History

你现在查看的是最新测评结果

  • [2024-07-03 20:17:05]
  • 评测
  • 测评结果:100
  • 用时:6427ms
  • 内存:5060kb
  • [2024-07-03 20:17:04]
  • 提交

answer

#include<cstdio>
#include<algorithm>
using namespace std;
bool query(int);
void modify(int,bool);
bool WereYouLast(int n,int m)
{
    if(n==1024)
    {
        int s=0;
        for(int i=1;i<=10;++i) s|=(query(i)<<(i-1));
        ++s;
        for(int i=1;i<=10;++i) modify(i,(s&(1<<(i-1)))!=0);
        return s==1024;
    }
    int t=0;
    for(int i=1;i<=5;++i) t|=(query(i)<<(i-1));
    int p=0;
    while((1<<p)!=n) ++p;
    if(t==p) return true;
    if(query(t+10))
    {
        modify(t+10,0);
        ++t;
    }
    else
    {
        modify(t+10,1);
        if(t==p-1) t=p;
        else t=0;
    }
    for(int i=1;i<=5;++i) modify(i,(t&(1<<(i-1)))!=0);
    return false;
}

詳細信息

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 1ms
memory: 3772kb

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: 4936kb

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: 93ms
memory: 4924kb

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: 6427ms
memory: 5060kb

input:

67108864 100000

output:

12345876 6 6

result:

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