QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #393970 | #4913. 子集匹配 | NATURAL6 | 100 ✓ | 837ms | 20348kb | C++14 | 246b | 2024-04-19 19:06:12 | 2024-04-19 19:06:13 |
Judging History
answer
#include<bits/stdc++.h>
#include "hall.h"
using namespace std;
int solve(int n,int K,int S)
{
int p=0;
for(int i=1,pre=0,mn=0;i<=n;++i)
{
pre+=(((S>>(i-1))&1)?1:-1);
if(pre<=mn)mn=pre,p=i;
}
return S^(1<<p);
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 5
Accepted
time: 1ms
memory: 3684kb
input:
14 8
output:
OK
result:
ok "OK"
Test #2:
score: 5
Accepted
time: 1ms
memory: 3676kb
input:
15 8
output:
OK
result:
ok "OK"
Test #3:
score: 5
Accepted
time: 0ms
memory: 3816kb
input:
15 9
output:
OK
result:
ok "OK"
Test #4:
score: 5
Accepted
time: 0ms
memory: 3812kb
input:
15 10
output:
OK
result:
ok "OK"
Test #5:
score: 5
Accepted
time: 2ms
memory: 3772kb
input:
18 10
output:
OK
result:
ok "OK"
Test #6:
score: 5
Accepted
time: 5ms
memory: 3812kb
input:
19 10
output:
OK
result:
ok "OK"
Test #7:
score: 5
Accepted
time: 2ms
memory: 3640kb
input:
19 11
output:
OK
result:
ok "OK"
Test #8:
score: 5
Accepted
time: 3ms
memory: 4000kb
input:
19 12
output:
OK
result:
ok "OK"
Test #9:
score: 5
Accepted
time: 26ms
memory: 4088kb
input:
22 12
output:
OK
result:
ok "OK"
Test #10:
score: 5
Accepted
time: 64ms
memory: 4992kb
input:
23 12
output:
OK
result:
ok "OK"
Test #11:
score: 5
Accepted
time: 44ms
memory: 4828kb
input:
23 13
output:
OK
result:
ok "OK"
Test #12:
score: 5
Accepted
time: 36ms
memory: 5008kb
input:
23 14
output:
OK
result:
ok "OK"
Test #13:
score: 5
Accepted
time: 132ms
memory: 5632kb
input:
24 13
output:
OK
result:
ok "OK"
Test #14:
score: 5
Accepted
time: 273ms
memory: 7700kb
input:
25 13
output:
OK
result:
ok "OK"
Test #15:
score: 5
Accepted
time: 216ms
memory: 8076kb
input:
25 14
output:
OK
result:
ok "OK"
Test #16:
score: 5
Accepted
time: 152ms
memory: 7772kb
input:
25 15
output:
OK
result:
ok "OK"
Test #17:
score: 5
Accepted
time: 549ms
memory: 11836kb
input:
26 14
output:
OK
result:
ok "OK"
Test #18:
score: 5
Accepted
time: 837ms
memory: 20348kb
input:
27 14
output:
OK
result:
ok "OK"
Test #19:
score: 5
Accepted
time: 761ms
memory: 20348kb
input:
27 15
output:
OK
result:
ok "OK"
Test #20:
score: 5
Accepted
time: 675ms
memory: 20052kb
input:
27 16
output:
OK
result:
ok "OK"