Submission #1126712

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126712		vladilius	Financial Report (JOI21_financial)	C++20	28 / 100	4093 ms	1114112 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n, d; cin>>n>>d;
    vector<int> a(n + 1);
    vector<pii> all;
    for (int i = 1; i <= n; i++){
        cin>>a[i];
        all.pb({a[i], i});
    }
    sort(all.begin(), all.end());
    int i = 0, m = 1;
    while (i < n){
        int j = i;
        while (j < n && all[i].ff == all[j].ff){
            a[all[j].ss] = m;
            j++;
        }
        m++;
        i = j;
    }
    
    vector<vector<int>> dp(n + 1, vector<int>(m + 1));
    for (int i = 1; i <= n; i++){
        dp[i][a[i]] = 1;
        for (int j = max(1, i - d); j < i; j++){
            dp[i][a[i]] = max({dp[i][a[i]], dp[j][a[i] - 1] + 1, dp[j][a[i]]});
        }
        for (int x = a[i] + 1; x <= m; x++){
            dp[i][x] = dp[i][x - 1];
            for (int j = max(1, i - d); j < i; j++){
                dp[i][x] = max(dp[i][x], dp[j][x]);
            }
        }
    }
    cout<<dp[n][m]<<"\n";
}

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