Submission #1250529

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250529		quangminh412	Financial Report (JOI21_financial)	C++20	14 / 100	4094 ms	2076 KiB

Main

/*
  Ben Watson
  Handle codeforces : quangminh98

  Current Theme: Transformers !!!!
*/

#include <bits/stdc++.h>
using namespace std;

#define ll long long

const string name = "test";

void solve();
signed main()
{
    if (fopen((name + ".inp").c_str(), "r"))
    {
        freopen((name + ".inp").c_str(), "r", stdin);
        freopen((name + ".out").c_str(), "w", stdout);
    }
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    solve();

    return 0;
}

// main program
const int maxn = 3e5 + 1;

int n, d;
int a[maxn], dp[maxn];

void solve()
{
    cin >> n >> d;
    for (int i = 1; i <= n; i++)
        cin >> a[i];

    int res = 0;
    for (int i = 1; i <= n; i++)
    {
        dp[i] = 1;
        int cnt = 0;
        for (int j = i - 1; j > 0; j--)
        {
            if (a[j] >= a[i])
                continue;
            int num = (i - j - 1) / d;
            if (cnt >= num)
                dp[i] = max(dp[i], dp[j] + 1);
            cnt += (a[j] < a[i]);
        }
        res = max(res, dp[i]);
    }

    cout << res << '\n';
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen((name + ".inp").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen((name + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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