#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){
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 |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
308 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
1944 KB |
Output is correct |
2 |
Correct |
20 ms |
2120 KB |
Output is correct |
3 |
Correct |
21 ms |
2120 KB |
Output is correct |
4 |
Correct |
16 ms |
2120 KB |
Output is correct |
5 |
Correct |
16 ms |
2128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
18 ms |
1936 KB |
Output is correct |
2 |
Correct |
14 ms |
1996 KB |
Output is correct |
3 |
Correct |
19 ms |
1984 KB |
Output is correct |
4 |
Correct |
25 ms |
2116 KB |
Output is correct |
5 |
Correct |
21 ms |
1996 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
200 ms |
16176 KB |
Output is correct |
2 |
Correct |
210 ms |
16388 KB |
Output is correct |
3 |
Correct |
210 ms |
16280 KB |
Output is correct |
4 |
Correct |
209 ms |
16160 KB |
Output is correct |
5 |
Correct |
203 ms |
16284 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
212 ms |
16184 KB |
Output is correct |
2 |
Correct |
201 ms |
16284 KB |
Output is correct |
3 |
Correct |
203 ms |
16160 KB |
Output is correct |
4 |
Correct |
210 ms |
16180 KB |
Output is correct |
5 |
Runtime error |
196 ms |
35268 KB |
Execution killed with signal 11 |
6 |
Halted |
0 ms |
0 KB |
- |