oj.uz

답안 #519761

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
519761 2022-01-27T09:54:57 Z Dasha_Gnedko Money (IZhO17_money) C++17
0 / 100
 1 ms 328 KB 
#include <bits/stdc++.h>

//#include <ext/pb_ds/detail/standard_policies.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")

using namespace std;

//using namespace __gnu_pbds;
//template <typename T> using ordered_set = tree <T, null_type, less < T >, rb_tree_tag, tree_order_statistics_node_update>;

mt19937 gen(time(0));

#define ll long long
#define ld long double
#define pb push_back
#define F first
#define S second
#define TIME clock() * 1.0 / CLOCKS_PER_SEC
#define sz(a) int32_t(a.size())
#define endl '\n'
//#define int long long

const int N = 5e5 + 100;
const int M = 31;
const int mod = 1e9 + 7;
const ll inf = 1e18 + 7;

int dp[N], a[N];

int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#else
//    freopen("input.txt", "r", stdin);
//    freopen("output.txt", "w", stdout);
#endif // LOCAL

    int n;
    cin >> n;
    for(int i = 0; i < n; i++)
        cin >> a[i];
    for(int i = 0; i < n; i++)
    {
        dp[i] = i + 1;
        for(int j = i - 1; j >= 0; j--)
        {
            if (a[j] > a[j + 1]) break;
            int fl = 0;
            for(int z = 0; z < j; z++)
            {
                if (a[z] > a[j] && a[z] < a[i])
                {
                    fl = 1;
                    break;
                }
            }
            if (!fl) dp[i] = min(dp[i], (j ? dp[j - 1] : 0) + 1);
        }
    }
    cout << dp[n - 1];
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 1 ms 328 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 1 ms 328 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 1 ms 328 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 1 ms 328 KB Output isn't correct
3 Halted 0 ms 0 KB -