Submission #696815

#	Time	Username	Problem	Language	Result	Execution time	Memory
696815		tamthegod	Financial Report (JOI21_financial)	C++17	48 / 100	4050 ms	6332 KiB

Main

// Make the best become better
// No room for laziness
#include<bits/stdc++.h>

#define int long long
#define pb push_back
#define fi first
#define se second
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e6 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;
int n, d;
int a[maxN];
int t[maxN];
int f[maxN];
void ReadInput()
{
    cin >> n >> d;
    for(int i=1; i<=n; i++)
        cin >> a[i];
}
void Solve()
{
    for(int i=1; i<=n; i++)
    {
        int j = i + 1;
        int cnt = 0;
        t[i] = n;
        for(int j=i+1; j<=n; j++)
        {
            if(a[j] <= a[i]) cnt = 0;
            else cnt++;
            if(cnt == d)
            {
                t[i] = j;
                break;
            }
        }
    }
   // cout << t[1];return;
    for(int i=1; i<=n; i++)
    {
        f[i] = 1;
        for(int j=1; j<i; j++)
        {
            if(a[i] > a[j] && t[j] >= i) f[i] = max(f[i], f[j] + 1);
        }
    }
    cout << *max_element(f + 1, f + n + 1);
}
int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    ReadInput();
    Solve();
}

Compilation message (stderr)

Main.cpp: In function 'void Solve()':
Main.cpp:31:13: warning: unused variable 'j' [-Wunused-variable]
   31 |         int j = i + 1;
      |             ^

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