Submission #805152

#	Time	Username	Problem	Language	Result	Execution time	Memory
805152		myst6	Financial Report (JOI21_financial)	C++14	0 / 100	31 ms	8348 KiB

Main

#include <bits/stdc++.h>

using namespace std;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int n, d;
    cin >> n >> d;
    vector<int> A(n);
    for (int i=0; i<n; i++) cin >> A[i];
    if (d == 1) {
        int ans = 1, curr = 1, prev = A[n-1];
        for (int i=n-2; i>=0; i--) {
            if (A[i] < prev) {
                curr += 1;
            } else if (A[i] > prev) {
                curr = 1;
            }
            prev = A[i];
            ans = max(ans, curr);
        }
        cout << ans << "\n";
    } else {
        vector<int> dp(n,1);
        int ans = 0;
        for (int i=0; i<n; i++) {
            for (int j=i-d; j<i; j++) {
                if (A[j] < A[i]) {
                    dp[i] = max(dp[i], dp[j]+1);
                }
                if (A[j] == A[i]) {
                    dp[i] = max(dp[i], dp[j]);
                }
            }
            ans = max(ans, dp[i]);
        }
        cout << ans << "\n";
    }
    return 0;
}

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