#include <bits/stdc++.h>
using namespace std;
constexpr int MAXN = 1e6 + 42;
bool isl[MAXN];
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
// freopen("warming.in", "r", stdin);
// freopen("warming.out", "w", stdout);
int n;
cin >> n;
int h[n];
vector<pair<int, int>> sh2(n);
for(int i = 0; i < n; i++) {
cin >> h[i];
sh2[i].first = h[i];
sh2[i].second = i;
}
sort(sh2.rbegin(), sh2.rend());
int mx_islands = 0;
int islands = 0;
for(int i = 0; i < n; i++) {
int s = sh2[i].second;
islands++;
isl[s] = true;
if(isl[s+1]) {
islands--;
}
if(isl[s-1]) {
islands--;
}
if(i==n-1 || sh2[i].first!=sh2[i+1].first) {
mx_islands = max(mx_islands, islands);
}
// if(sh2[i].first==20) {
// cout << islands << endl;
// }
}
cout << mx_islands << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
1628 KB |
Output is correct |
2 |
Correct |
13 ms |
1908 KB |
Output is correct |
3 |
Correct |
12 ms |
1884 KB |
Output is correct |
4 |
Correct |
12 ms |
1892 KB |
Output is correct |
5 |
Correct |
13 ms |
1884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
1628 KB |
Output is correct |
2 |
Correct |
8 ms |
1628 KB |
Output is correct |
3 |
Correct |
13 ms |
1652 KB |
Output is correct |
4 |
Correct |
13 ms |
1648 KB |
Output is correct |
5 |
Correct |
12 ms |
1628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
138 ms |
12956 KB |
Output is correct |
2 |
Correct |
135 ms |
13136 KB |
Output is correct |
3 |
Correct |
144 ms |
12956 KB |
Output is correct |
4 |
Correct |
142 ms |
13136 KB |
Output is correct |
5 |
Correct |
139 ms |
12976 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
157 ms |
12972 KB |
Output is correct |
2 |
Correct |
140 ms |
13136 KB |
Output is correct |
3 |
Correct |
139 ms |
13140 KB |
Output is correct |
4 |
Correct |
133 ms |
13136 KB |
Output is correct |
5 |
Correct |
134 ms |
15952 KB |
Output is correct |