#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
#define int long long
const int maxn = 1e6 + 69;
vector<int> g[maxn], vis(maxn), cnt(maxn, -1);
void dfs(int v) {
vis[v] = 1;
for(auto u : g[v]) {
if(!vis[u])
dfs(u);
}
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int tt = 1;
//cin >> tt;
while(tt--) {
int n;
cin >> n;
vector<int> a(n);
for(int i = 0;i < n;i++)
cin >> a[i];
for(int i = 0;i < n;i++) {
int x = cnt[a[i] + 1];
if(x != -1) {
g[i].push_back(x);
g[x].push_back(i);
cnt[a[i] + 1] = -1;
}
cnt[a[i]] = i;
}
int ans = 0;
for(int i = 0;i < n;i++) {
if(!vis[i]) {
++ans;
dfs(i);
}
}
cout << ans;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
16 ms |
39420 KB |
Output isn't correct |
2 |
Incorrect |
18 ms |
39480 KB |
Output isn't correct |
3 |
Incorrect |
15 ms |
39600 KB |
Output isn't correct |
4 |
Incorrect |
15 ms |
39636 KB |
Output isn't correct |
5 |
Incorrect |
169 ms |
69584 KB |
Output isn't correct |
6 |
Incorrect |
171 ms |
69912 KB |
Output isn't correct |
7 |
Incorrect |
132 ms |
64272 KB |
Output isn't correct |
8 |
Incorrect |
145 ms |
64072 KB |
Output isn't correct |
9 |
Incorrect |
139 ms |
66624 KB |
Output isn't correct |
10 |
Incorrect |
133 ms |
66780 KB |
Output isn't correct |