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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 |
---|---|---|---|---|---|---|---|---|---|
#506271 | #4912. WereYouLast | LCat90 | 100 ✓ | 4692ms | 4976kb | C++14 | 562b | 2024-08-05 16:20:37 | 2024-08-05 16:20:39 |
Judging History
answer
//
bool query(int);
void modify(int, bool);
bool WereYouLast(int n, int m) {
if (m == 10) {
int x = 0;
for (int i = 0; i < 10; i++) x |= query(i + 1) << i;
if (x == n - 1) return true;
x++;
for (int i = 0; i < 10; i++) modify(i + 1, x >> i & 1);
return false;
}
int x = 0;
for (int i = 0; i < 5; i++) x |= query(i + 1) << i;
if ((1 << x) == n) return true;
bool f = query(x + 6);
modify(x + 6, !f);
if (f || (1 << x + 1) == n) x++;
else x = 0;
for (int i = 0; i < 5; i++) modify(i + 1, x >> i & 1);
return false;
}
详细
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 1ms
memory: 3816kb
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: 4928kb
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: 70ms
memory: 4908kb
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: 4692ms
memory: 4976kb
input:
67108864 100000
output:
12345876 6 6
result:
ok Correct Answer. C1 = 6. C2 = 6.