#include <iostream>
#include <vector>
using namespace std;
int n, i, j, x, f[1000005], sol, nrcrt, h;
vector<int>a[1000005];
int main(){
cin>>n;
for(i=1; i<=n; i++){
cin>>f[i];
}
for(i=n; i>0; i--){
x=f[i];
a[x].push_back(i);
}
nrcrt=1;
while(nrcrt<=n){
sol++;
h=f[nrcrt];
f[nrcrt]=0;
a[h].pop_back();
for(;;){
h--;
if(a[h].empty()){
break;
}
x=a[h].back();
f[x]=0;
a[h].pop_back();
}
while(f[nrcrt]==0){
nrcrt++;
}
}
cout<<sol;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
31 ms |
23800 KB |
Output isn't correct |
2 |
Incorrect |
26 ms |
23928 KB |
Output isn't correct |
3 |
Incorrect |
27 ms |
24056 KB |
Output isn't correct |
4 |
Incorrect |
28 ms |
23928 KB |
Output isn't correct |
5 |
Incorrect |
401 ms |
32656 KB |
Output isn't correct |
6 |
Incorrect |
392 ms |
32916 KB |
Output isn't correct |
7 |
Incorrect |
333 ms |
32908 KB |
Output isn't correct |
8 |
Incorrect |
345 ms |
31268 KB |
Output isn't correct |
9 |
Incorrect |
369 ms |
33016 KB |
Output isn't correct |
10 |
Incorrect |
351 ms |
32196 KB |
Output isn't correct |