QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#394283 | #4913. 子集匹配 | luanmenglei | 100 ✓ | 699ms | 20356kb | C++17 | 322b | 2024-04-20 10:49:14 | 2024-04-20 10:49:14 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
// #include "hall.h"
int solve(int n, int k, int S) {
int cnt = 0, suf = 0, pos = n;
for (int i = n - 1; i >= 1; i --) {
if (S >> i & 1)
cnt += 1;
else
cnt -= 1;
if (cnt <= suf) {
suf = cnt;
pos = i;
}
}
return S ^ (1 << (pos - 1));
}
详细
Test #1:
score: 5
Accepted
time: 1ms
memory: 3932kb
input:
14 8
output:
OK
result:
ok "OK"
Test #2:
score: 5
Accepted
time: 1ms
memory: 3976kb
input:
15 8
output:
OK
result:
ok "OK"
Test #3:
score: 5
Accepted
time: 1ms
memory: 3672kb
input:
15 9
output:
OK
result:
ok "OK"
Test #4:
score: 5
Accepted
time: 1ms
memory: 3984kb
input:
15 10
output:
OK
result:
ok "OK"
Test #5:
score: 5
Accepted
time: 3ms
memory: 4000kb
input:
18 10
output:
OK
result:
ok "OK"
Test #6:
score: 5
Accepted
time: 5ms
memory: 3740kb
input:
19 10
output:
OK
result:
ok "OK"
Test #7:
score: 5
Accepted
time: 4ms
memory: 4036kb
input:
19 11
output:
OK
result:
ok "OK"
Test #8:
score: 5
Accepted
time: 0ms
memory: 3748kb
input:
19 12
output:
OK
result:
ok "OK"
Test #9:
score: 5
Accepted
time: 37ms
memory: 4248kb
input:
22 12
output:
OK
result:
ok "OK"
Test #10:
score: 5
Accepted
time: 80ms
memory: 4772kb
input:
23 12
output:
OK
result:
ok "OK"
Test #11:
score: 5
Accepted
time: 57ms
memory: 4820kb
input:
23 13
output:
OK
result:
ok "OK"
Test #12:
score: 5
Accepted
time: 40ms
memory: 4700kb
input:
23 14
output:
OK
result:
ok "OK"
Test #13:
score: 5
Accepted
time: 141ms
memory: 6020kb
input:
24 13
output:
OK
result:
ok "OK"
Test #14:
score: 5
Accepted
time: 331ms
memory: 7624kb
input:
25 13
output:
OK
result:
ok "OK"
Test #15:
score: 5
Accepted
time: 250ms
memory: 7900kb
input:
25 14
output:
OK
result:
ok "OK"
Test #16:
score: 5
Accepted
time: 176ms
memory: 7828kb
input:
25 15
output:
OK
result:
ok "OK"
Test #17:
score: 5
Accepted
time: 626ms
memory: 11836kb
input:
26 14
output:
OK
result:
ok "OK"
Test #18:
score: 5
Accepted
time: 699ms
memory: 20356kb
input:
27 14
output:
OK
result:
ok "OK"
Test #19:
score: 5
Accepted
time: 657ms
memory: 20072kb
input:
27 15
output:
OK
result:
ok "OK"
Test #20:
score: 5
Accepted
time: 615ms
memory: 20132kb
input:
27 16
output:
OK
result:
ok "OK"