QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #394235 | #4913. 子集匹配 | lfxxx | 100 ✓ | 702ms | 20148kb | C++17 | 227b | 2024-04-20 10:29:08 | 2024-04-20 10:29:12 |
Judging History
answer
#include"hall.h"
int solve(int n,int K,int s)
{
int id = n, sum = 0, mn = 0;
for (int i = n - 1; i >= 0; --i) {
sum += (((s >> i) & 1) ? 1 : -1);
if (sum <= mn) mn = sum, id = i;
}
return s ^ (1 << (id - 1));
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 5
Accepted
time: 0ms
memory: 3980kb
input:
14 8
output:
OK
result:
ok "OK"
Test #2:
score: 5
Accepted
time: 1ms
memory: 3636kb
input:
15 8
output:
OK
result:
ok "OK"
Test #3:
score: 5
Accepted
time: 0ms
memory: 3760kb
input:
15 9
output:
OK
result:
ok "OK"
Test #4:
score: 5
Accepted
time: 0ms
memory: 3668kb
input:
15 10
output:
OK
result:
ok "OK"
Test #5:
score: 5
Accepted
time: 3ms
memory: 3664kb
input:
18 10
output:
OK
result:
ok "OK"
Test #6:
score: 5
Accepted
time: 3ms
memory: 3756kb
input:
19 10
output:
OK
result:
ok "OK"
Test #7:
score: 5
Accepted
time: 4ms
memory: 3892kb
input:
19 11
output:
OK
result:
ok "OK"
Test #8:
score: 5
Accepted
time: 3ms
memory: 4056kb
input:
19 12
output:
OK
result:
ok "OK"
Test #9:
score: 5
Accepted
time: 38ms
memory: 4496kb
input:
22 12
output:
OK
result:
ok "OK"
Test #10:
score: 5
Accepted
time: 83ms
memory: 4852kb
input:
23 12
output:
OK
result:
ok "OK"
Test #11:
score: 5
Accepted
time: 64ms
memory: 4784kb
input:
23 13
output:
OK
result:
ok "OK"
Test #12:
score: 5
Accepted
time: 42ms
memory: 4648kb
input:
23 14
output:
OK
result:
ok "OK"
Test #13:
score: 5
Accepted
time: 149ms
memory: 5960kb
input:
24 13
output:
OK
result:
ok "OK"
Test #14:
score: 5
Accepted
time: 330ms
memory: 7864kb
input:
25 13
output:
OK
result:
ok "OK"
Test #15:
score: 5
Accepted
time: 264ms
memory: 8052kb
input:
25 14
output:
OK
result:
ok "OK"
Test #16:
score: 5
Accepted
time: 178ms
memory: 7784kb
input:
25 15
output:
OK
result:
ok "OK"
Test #17:
score: 5
Accepted
time: 608ms
memory: 11948kb
input:
26 14
output:
OK
result:
ok "OK"
Test #18:
score: 5
Accepted
time: 702ms
memory: 20012kb
input:
27 14
output:
OK
result:
ok "OK"
Test #19:
score: 5
Accepted
time: 659ms
memory: 20144kb
input:
27 15
output:
OK
result:
ok "OK"
Test #20:
score: 5
Accepted
time: 593ms
memory: 20148kb
input:
27 16
output:
OK
result:
ok "OK"