#include <stdio.h>
int main()
{
int s=0, r=0, c=0, n, a, i;
scanf("%d", &n);
for(i=0;i<n;i++)
{
scanf("%d", &a);
if(a==1||a==3)
{
if(a==3)
s<<=1;
c++;
}
if(c==4||a==2)
{
c=0;
s=s<<1|1;
if(s&(1<<3))
r++;
}
}
printf("%d", r);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1084 KB |
Output is correct |
2 |
Correct |
0 ms |
1084 KB |
Output is correct |
3 |
Correct |
3 ms |
1084 KB |
Output is correct |
4 |
Correct |
0 ms |
1084 KB |
Output is correct |
5 |
Correct |
5 ms |
1084 KB |
Output is correct |
6 |
Correct |
0 ms |
1084 KB |
Output is correct |
7 |
Correct |
0 ms |
1084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
2 |
Correct |
0 ms |
1084 KB |
Output is correct |
3 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
4 |
Incorrect |
6 ms |
1084 KB |
Output isn't correct |
5 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
6 |
Correct |
0 ms |
1084 KB |
Output is correct |
7 |
Incorrect |
5 ms |
1084 KB |
Output isn't correct |
8 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
7 ms |
1084 KB |
Output isn't correct |
2 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
3 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
4 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
5 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
6 |
Incorrect |
6 ms |
1084 KB |
Output isn't correct |
7 |
Incorrect |
1 ms |
1084 KB |
Output isn't correct |
8 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
9 |
Incorrect |
6 ms |
1084 KB |
Output isn't correct |
10 |
Incorrect |
6 ms |
1084 KB |
Output isn't correct |
11 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
12 |
Correct |
0 ms |
1084 KB |
Output is correct |
13 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
14 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
15 |
Incorrect |
5 ms |
1084 KB |
Output isn't correct |