QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#505683 | #4912. WereYouLast | lifan | 100 ✓ | 4681ms | 5128kb | C++14 | 535b | 2024-08-05 08:40:00 | 2024-08-05 08:40:00 |
Judging History
answer
//
#include<bits/stdc++.h>
using namespace std;
bool query(int);
void modify(int,bool);
bool WereYouLast(int n,int m){
int x=__lg(n),cnt=0;
if(m==10){
for(int i=0;i<10;i++)
cnt|=query(i+1)<<i;
if(cnt==n-1) return 1;
cnt++;
for(int i=0;i<10;i++)
modify(i+1,cnt>>i&1);
}
else{
for(int i=0;i<5;i++)
cnt|=query(i+1)<<i;
if(cnt==x) return 1;
int v=query(cnt+6);
modify(cnt+6,!v);
if(v || cnt==x-1) cnt++;
else cnt=0;
for(int i=0;i<5;i++)
modify(i+1,cnt>>i&1);
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 0ms
memory: 3768kb
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: 4984kb
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: 5128kb
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: 4681ms
memory: 4968kb
input:
67108864 100000
output:
12345876 6 6
result:
ok Correct Answer. C1 = 6. C2 = 6.