#include <iostream>
using namespace std;
const int N=1e6+55;
int a[N];
int main()
{
int n;
cin>>n;
int x;
for(int i=0;i<n;i++)
{
cin>>x;
if(a[x+1]>0)
{
a[x+1]--;
a[x]++;
}
else
a[x]++;
}
int ans=0;
for(int i=0;i<N;i++)
{
ans+=a[i];
}
cout<<ans<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
3 ms |
256 KB |
Output is correct |
3 |
Correct |
4 ms |
380 KB |
Output is correct |
4 |
Correct |
4 ms |
376 KB |
Output is correct |
5 |
Correct |
189 ms |
1912 KB |
Output is correct |
6 |
Correct |
188 ms |
2000 KB |
Output is correct |
7 |
Correct |
156 ms |
1912 KB |
Output is correct |
8 |
Correct |
151 ms |
1916 KB |
Output is correct |
9 |
Correct |
169 ms |
2184 KB |
Output is correct |
10 |
Correct |
167 ms |
1912 KB |
Output is correct |