QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#108538 | #6506. Chase Game 3 | keainie# | WA | 28ms | 1740kb | C++14 | 375b | 2023-05-25 14:13:06 | 2023-05-25 14:13:08 |
Judging History
answer
#include <cstdio>
const int N = 4e5 + 10;
int n, a[N];
void work()
{
scanf("%d", &n);
for (int i = 1; i <= n; ++ i) scanf("%d", &a[i]);
bool flag = true;
for (int i = 1; i <= n; ++ i) flag &= a[i] == i;
if (flag) return puts("Yes"), void();
puts(n <= 3 ? "Yes" : "No");
}
int main()
{
int T;
scanf("%d", &T);
while (T --) work();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 1740kb
input:
5 2 1 2 3 2 3 1 4 1 4 3 2 5 1 5 2 3 4 6 1 2 3 4 5 6
output:
Yes Yes No No Yes
result:
ok 5 token(s): yes count is 3, no count is 2
Test #2:
score: 0
Accepted
time: 0ms
memory: 1412kb
input:
8 2 1 2 2 2 1 3 1 2 3 3 3 1 2 3 2 1 3 3 2 3 1 3 3 2 1 3 1 3 2
output:
Yes Yes Yes Yes Yes Yes Yes Yes
result:
ok 8 token(s): yes count is 8, no count is 0
Test #3:
score: -100
Wrong Answer
time: 28ms
memory: 1500kb
input:
100000 4 4 1 3 2 4 3 2 4 1 4 3 2 1 4 4 2 4 3 1 4 1 2 3 4 4 2 3 1 4 4 1 3 4 2 4 3 4 1 2 4 1 3 2 4 4 1 4 3 2 4 3 4 2 1 4 3 2 4 1 4 4 2 3 1 4 3 2 4 1 4 4 1 2 3 4 3 2 1 4 4 4 1 3 2 4 1 3 4 2 4 1 4 2 3 4 2 4 3 1 4 2 3 1 4 4 4 2 3 1 4 2 1 3 4 4 3 1 2 4 4 1 2 3 4 4 4 3 2 1 4 3 4 1 2 4 1 3 2 4 4 4 2 1 3 4 3...
output:
No No No No Yes No No No No No No No No No No No No No No No No No No No Yes No No No No No No No No No Yes No No No No No No No No No No No No No No No No No No No No No No No No No No No Yes No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No...
result:
wrong answer expected YES, found NO [1st token]