Submission #714438

#	Time	Username	Problem	Language	Result	Execution time	Memory
714438		FedShat	Financial Report (JOI21_financial)	C++17	48 / 100	4011 ms	6972 KiB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
constexpr int INF = numeric_limits<int>::max() / 2;
constexpr ll INFLL = numeric_limits<ll>::max() / 2;

template<class T>
istream &operator>>(istream &is, vector<T> &a) {
    for (auto &i : a) {
        is >> i;
    }
    return is;
}

int main() {
    cin.tie(0)->sync_with_stdio(0);
#ifdef __APPLE__
    freopen("input.txt", "r", stdin);
#endif
    int n, d;
    cin >> n >> d;
    vector<int> a(n);
    cin >> a;
    vector<int> dp(n), ri(n);
    for (int i = 0; i < n; ++i) {
        dp[i] = 1;
        ri[i] = i;
        for (int j = 0; j < i; ++j) {
            if (i - ri[j] <= d && a[j] < a[i]) {
                dp[i] = max(dp[i], dp[j] + 1);
            }
        }
        for (int j = 0; j <= i; ++j) {
            if (i - ri[j] <= d && a[i] <= a[j]) {
                ri[j] = i;
            }
        }
    }
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        if (ri[i] == n - 1) {
            ans = max(ans, dp[i]);
        }
    }
    cout << ans << "\n";
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 20 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35