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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. WereYouLast | 2745518585 | 100 ✓ | 6427ms | 5060kb | C++20 | 714b | 2024-07-03 20:17:04 | 2024-07-03 20:17:05 |
Judging History
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;
}
详细
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.