Submission #811710

#	Time	Username	Problem	Language	Result	Execution time	Memory
811710		vjudge1	Financial Report (JOI21_financial)	C++17	48 / 100	1449 ms	100604 KiB

Main

#include<bits/stdc++.h>

using namespace std;
using ll = long long;

int n, d; 
int a[(int)3e5 + 10];

const int N = 7e3 + 10;
bool f[N][N];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n >> d;
    for(int i = 1; i <= n; i++)     
        cin >> a[i];
    for(int i = 1; i <= n; i++) {
        int lst = i;
        bool flag = 1;
        for(int j = i + 1; j <= n; j++) {
            if(!flag) break;
            if(j - lst <= d) 
                f[i][j] = 1;
            if(a[j] <= a[i]) flag &= (j - lst <= d), lst = j;
        }
    }
    vector<int> dp(n + 1, 1);
    dp[1] = 1;
    for(int i = 1; i <= n; i++) {
        for(int j = i + 1; j <= n && f[i][j]; j++) 
            if(a[j] > a[i]) dp[j] = max(dp[j], dp[i] + 1);
    }
    int res = 0;
    for(int i = 1; i <= n; i++) {
        res = max(res, dp[i]);
    }
    cout << res;
}

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