#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];
int dp[n][n];
for(int i = 0;i < n;i++)
for(int j = 0;j < n;j++)
dp[i][j] = 1e9;
for(int i = 0;i < n;i++)
dp[i][i] = 1;
for(int i = 1;i < n;i++) {
for(int l = 0, r = i;r < n;l++, r++) {
dp[l][r] = min(dp[l + 1][r] + 1, dp[l][r]);
dp[l][r] = min(dp[l][r - 1] + 1, dp[l][r]);
if(a[r - 1] == a[r] + 1)
dp[l][r] = min(dp[l][r], dp[l][r - 1]);
if(a[l] == a[l + 1] + 1)
dp[l][r] = min(dp[l][r], dp[l + 1][r]);
if(r - l >= 2 && a[l] == a[r] + 1)
dp[l][r] = min(dp[l][r], dp[l + 1][r - 1] + 1);
}
}
cout << dp[0][n - 1];
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
20 ms |
47288 KB |
Output isn't correct |
2 |
Incorrect |
36 ms |
70788 KB |
Output isn't correct |
3 |
Runtime error |
48 ms |
131072 KB |
Execution killed with signal 9 |
4 |
Runtime error |
46 ms |
131072 KB |
Execution killed with signal 9 |
5 |
Runtime error |
89 ms |
131072 KB |
Execution killed with signal 9 |
6 |
Runtime error |
94 ms |
131072 KB |
Execution killed with signal 9 |
7 |
Runtime error |
79 ms |
131072 KB |
Execution killed with signal 9 |
8 |
Runtime error |
83 ms |
131072 KB |
Execution killed with signal 9 |
9 |
Runtime error |
84 ms |
131072 KB |
Execution killed with signal 9 |
10 |
Runtime error |
100 ms |
131072 KB |
Execution killed with signal 9 |