제출 #908633

#제출 시각아이디문제언어결과실행 시간메모리
908633Trisanu_DasFinancial Report (JOI21_financial)C++17
0 / 100
4102 ms5972 KiB
#include <bits/stdc++.h> using namespace std; int n, d, a[300005], memo[300005]; int dp(int i){ if(i == n) return 1; if(memo[i] != -1) return memo[i]; memo[i] = 0; int l = i; for(int j = i + 1; j - l <= d && j <= n; j++){ if(a[j] <= a[i]) l = j; else memo[i] = max(memo[i], dp(j)); } memo[i]++; return memo[i]; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> d; for(int i = 1; i <= n; i++) cin >> a[i]; memset(memo, -1, sizeof(memo)); int ans = 0; for(int i = 0; i <= n; i++) ans = max(ans, dp(i)); cout << ans << '\n'; }
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