#include <stdio.h>
int a[4]={1},ans,s;
void f(){
for(int i=3;i;--i)if(a[i-1]){
if(i>2)ans+=a[i];
a[i]=1;
}
}
void g(){
for(int i=4;i--;){
if(i>2)ans+=a[i];
else a[i+1]=a[i];
if(i)a[i]=0;
}
}
int main(){
int n,k;
scanf("%d",&n);
for(;n--;){
scanf("%d",&k);
if(k==1)if(++s>3)f(),s=0;
else if(k==2)s=0,f();
else{
if(++s>3)f(),s=0;
else g();
}
}
printf("%d",ans);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1084 KB |
Output is correct |
2 |
Incorrect |
0 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 |
0 ms |
1084 KB |
Output isn't correct |
6 |
Incorrect |
7 ms |
1084 KB |
Output isn't correct |
7 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
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 |
0 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 |
4 ms |
1084 KB |
Output isn't correct |
8 |
Incorrect |
4 ms |
1084 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
2 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
3 |
Incorrect |
6 ms |
1084 KB |
Output isn't correct |
4 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
5 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
6 |
Incorrect |
7 ms |
1084 KB |
Output isn't correct |
7 |
Incorrect |
6 ms |
1084 KB |
Output isn't correct |
8 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
9 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
10 |
Incorrect |
5 ms |
1084 KB |
Output isn't correct |
11 |
Incorrect |
9 ms |
1084 KB |
Output isn't correct |
12 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
13 |
Incorrect |
0 ms |
1084 KB |
Output isn't correct |
14 |
Incorrect |
3 ms |
1084 KB |
Output isn't correct |
15 |
Correct |
0 ms |
1084 KB |
Output is correct |