QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #393969 | #4913. 子集匹配 | NATURAL6 | 100 ✓ | 696ms | 20344kb | C++14 | 259b | 2024-04-19 19:02:45 | 2024-04-19 19:02:45 |
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: 3972kb
input:
14 8
output:
OK
result:
ok "OK"
Test #2:
score: 5
Accepted
time: 1ms
memory: 3744kb
input:
15 8
output:
OK
result:
ok "OK"
Test #3:
score: 5
Accepted
time: 1ms
memory: 3680kb
input:
15 9
output:
OK
result:
ok "OK"
Test #4:
score: 5
Accepted
time: 1ms
memory: 3616kb
input:
15 10
output:
OK
result:
ok "OK"
Test #5:
score: 5
Accepted
time: 2ms
memory: 4000kb
input:
18 10
output:
OK
result:
ok "OK"
Test #6:
score: 5
Accepted
time: 5ms
memory: 3672kb
input:
19 10
output:
OK
result:
ok "OK"
Test #7:
score: 5
Accepted
time: 4ms
memory: 3672kb
input:
19 11
output:
OK
result:
ok "OK"
Test #8:
score: 5
Accepted
time: 2ms
memory: 3868kb
input:
19 12
output:
OK
result:
ok "OK"
Test #9:
score: 5
Accepted
time: 30ms
memory: 4120kb
input:
22 12
output:
OK
result:
ok "OK"
Test #10:
score: 5
Accepted
time: 64ms
memory: 4996kb
input:
23 12
output:
OK
result:
ok "OK"
Test #11:
score: 5
Accepted
time: 52ms
memory: 4668kb
input:
23 13
output:
OK
result:
ok "OK"
Test #12:
score: 5
Accepted
time: 32ms
memory: 4992kb
input:
23 14
output:
OK
result:
ok "OK"
Test #13:
score: 5
Accepted
time: 121ms
memory: 5788kb
input:
24 13
output:
OK
result:
ok "OK"
Test #14:
score: 5
Accepted
time: 264ms
memory: 7896kb
input:
25 13
output:
OK
result:
ok "OK"
Test #15:
score: 5
Accepted
time: 223ms
memory: 7844kb
input:
25 14
output:
OK
result:
ok "OK"
Test #16:
score: 5
Accepted
time: 155ms
memory: 7852kb
input:
25 15
output:
OK
result:
ok "OK"
Test #17:
score: 5
Accepted
time: 543ms
memory: 12164kb
input:
26 14
output:
OK
result:
ok "OK"
Test #18:
score: 5
Accepted
time: 696ms
memory: 20116kb
input:
27 14
output:
OK
result:
ok "OK"
Test #19:
score: 5
Accepted
time: 658ms
memory: 20344kb
input:
27 15
output:
OK
result:
ok "OK"
Test #20:
score: 5
Accepted
time: 653ms
memory: 20140kb
input:
27 16
output:
OK
result:
ok "OK"