#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define ll long long int
#define tc ll test;cin >> test;while(test--)
#define vi vector<ll>
#define pll pair<ll,ll>
#define pb push_back
#define mp make_pair
#define INF 1e18
#define MOD 1000000007
#define ff first
#define ss second
#define in >>
#define out <<
#define space << " " <<
#define spacef << " "
#define fo(i,a,b) for(ll i = a; i <= b; i++)
#define rfo(i,a,b) for(ll i = a; i >= b; i--)
#define nextline out "\n"
#define print(x) for(auto i : x ) cout out i spacef
#define mmax(x,i) x = max(x,i)
#define mmin(x,i) x = min(x,i)
#define N 105
int main() {
fast;
ll n;
cin in n;
vector<pll> h(n+5);
fo(i,1,n){
cin in h[i].first;
h[i].second = i;
}
ll ans = -INF;
ll island = 0;
vector<bool> added(n+5,false);
sort(h.rbegin(),h.rend());
for(ll i = 0; i < n;){
ll x = h[i].first;
while(h[i].first == x && i < n){
added[h[i].second] = true;
if(added[h[i].second-1] == added[h[i].second+1]){
if(added[h[i].second-1] == false) island++;
else island--;
}
i++;
}
mmax(ans,island);
}
cout out ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
1868 KB |
Output is correct |
2 |
Correct |
16 ms |
1868 KB |
Output is correct |
3 |
Correct |
16 ms |
1868 KB |
Output is correct |
4 |
Correct |
16 ms |
1868 KB |
Output is correct |
5 |
Correct |
16 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
1868 KB |
Output is correct |
2 |
Correct |
12 ms |
1888 KB |
Output is correct |
3 |
Correct |
18 ms |
1868 KB |
Output is correct |
4 |
Correct |
18 ms |
1868 KB |
Output is correct |
5 |
Correct |
18 ms |
1868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
192 ms |
16088 KB |
Output is correct |
2 |
Correct |
196 ms |
16084 KB |
Output is correct |
3 |
Correct |
189 ms |
15960 KB |
Output is correct |
4 |
Correct |
193 ms |
16080 KB |
Output is correct |
5 |
Correct |
193 ms |
16092 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
202 ms |
16176 KB |
Output is correct |
2 |
Correct |
197 ms |
16084 KB |
Output is correct |
3 |
Correct |
203 ms |
16068 KB |
Output is correct |
4 |
Correct |
175 ms |
16088 KB |
Output is correct |
5 |
Correct |
167 ms |
16068 KB |
Output is correct |