#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
int a[N];
bool vis[N];
signed main(){
int n;
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
}
int p=0;
int cnt=n;
while(cnt>0){
int cur=-1;
for(int i=n;i>=1;i--){
if(vis[i]==0){
if(cur==-1){
cur=a[i];
vis[i]=1;
cnt--;
continue;
}
if(cur==a[i]-1){
cur=a[i];
vis[i]=1;
cnt--;
}
}
}
p++;
}
cout<<p;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2392 KB |
Output is correct |
2 |
Correct |
5 ms |
2396 KB |
Output is correct |
3 |
Correct |
10 ms |
2508 KB |
Output is correct |
4 |
Correct |
15 ms |
2396 KB |
Output is correct |
5 |
Runtime error |
53 ms |
7068 KB |
Execution killed with signal 11 |
6 |
Runtime error |
47 ms |
6740 KB |
Execution killed with signal 11 |
7 |
Runtime error |
47 ms |
6808 KB |
Execution killed with signal 11 |
8 |
Runtime error |
46 ms |
6812 KB |
Execution killed with signal 11 |
9 |
Runtime error |
49 ms |
7152 KB |
Execution killed with signal 11 |
10 |
Runtime error |
50 ms |
6696 KB |
Execution killed with signal 11 |