//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define fi first
#define se second
#define endl "\n"
#define pb push_back
#define MP make_pair
#define ll long long
#define int long long
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define pq priority_queue
#define gcd(x,y) __gcd( x, y)
#define ALL(x) x.begin(),x.end()
#define pll pair<long long,long long>
#define debug(x) cerr<<#x<<"="<<x<<endl
#define rep(i,a,b) for (int i=a;i<(int)(b);i++)
typedef tree<long long, null_type, less_equal<long long>,rb_tree_tag, tree_order_statistics_node_update>ordered_set;
int lowbit(int x){return x&(-x);}
long long expo(ll x,ll y,ll z){if(y==1)return (long long)x;ll m=expo(x,y/2,z)%z;if(y%2==0)return (long long)((m*m)%z);else return (long long)((((m*m)%z)*x)%z);}
int fw[1000005];void update(int x,int c){while(x<=1000005){fw[x]=fw[x]+c;x+=lowbit(x);}}int query(int x){int ans=0;while(x>=1){ans+=fw[x];x-=lowbit(x);}return ans;}
int blist[1000009];
signed main(){
ios::sync_with_stdio(false);
cin.tie(0);
int n,x=0,ans=0;cin>>n;
vector<pii>alist;
rep(i,0,n){
int a;cin>>a;
alist.pb({a,i});
}
sort(ALL(alist));
reverse(ALL(alist));
rep(i,0,n){
blist[alist[i].se]=1;
if(alist[i].se>0)x-=blist[alist[i].se-1];
if(alist[i].se<n-1)x-=blist[alist[i].second+1];
x++;
if(i!=n-1 and alist[i].fi>alist[i+1].fi)ans=max(ans, x);
}
cout<<ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
2804 KB |
Output is correct |
2 |
Correct |
25 ms |
3092 KB |
Output is correct |
3 |
Correct |
19 ms |
3064 KB |
Output is correct |
4 |
Correct |
20 ms |
3020 KB |
Output is correct |
5 |
Correct |
19 ms |
3012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
2812 KB |
Output is correct |
2 |
Correct |
18 ms |
3400 KB |
Output is correct |
3 |
Correct |
23 ms |
3644 KB |
Output is correct |
4 |
Correct |
22 ms |
3556 KB |
Output is correct |
5 |
Correct |
20 ms |
3556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
217 ms |
23916 KB |
Output is correct |
2 |
Runtime error |
228 ms |
33248 KB |
Memory limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
225 ms |
23960 KB |
Output is correct |
2 |
Correct |
222 ms |
32620 KB |
Output is correct |
3 |
Correct |
262 ms |
32620 KB |
Output is correct |
4 |
Correct |
214 ms |
26892 KB |
Output is correct |
5 |
Correct |
213 ms |
26684 KB |
Output is correct |