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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#492037 | #4912. WereYouLast | tx344 | 100 ✓ | 4684ms | 5060kb | C++14 | 489b | 2024-07-26 08:34:36 | 2024-07-26 08:34:37 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
bool query(int);
void modify(int,bool);
bool WereYouLast(int n,int m)
{
if(m==10)
{
int x=0;
for(int i=0;i<10;i++)x|=query(i+1)<<i;
if(x==n-1)return 1;
++x;
for(int i=0;i<10;i++)modify(i+1,x>>i&1);
return 0;
}
int x=0;
for(int i=0;i<5;i++)x|=query(i+1)<<i;
if((1<<x)==n)return 1;
bool flg=query(x+6);
modify(x+6,!flg);
x=(flg||(1<<x+1)==n)?x+1:0;
for(int i=0;i<5;i++)modify(i+1,x>>i&1);
return 0;
}
Details
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Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 1ms
memory: 3964kb
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: 3ms
memory: 5060kb
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: 75ms
memory: 4996kb
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: 4684ms
memory: 4928kb
input:
67108864 100000
output:
12345876 6 6
result:
ok Correct Answer. C1 = 6. C2 = 6.