Submission #874949

#	Time	Username	Problem	Language	Result	Execution time	Memory
874949		efedmrlr	Financial Report (JOI21_financial)	C++17	48 / 100	4101 ms	8276 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define int long long int
#define MP make_pair
#define pb push_back
#define REP(i,n) for(int (i) = 0; (i)<(n); (i)++)

void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}

const int N = 1e5+5;
const int MOD = 1e9+7;
const int INF = 1e12;
const int M = 1e6+5;
const long double EPS = 0.00001;
 
int n,m,q,d;
vector<int> a, dp;
signed main() {
    cin>>n>>d;
    a.resize(n+1);
    dp.assign(n + 1, 1);
    REP(i,n) cin>>a[i + 1];
    dp[n] = 1;
    for(int i = n - 1; i>=1; i--) {
        int cnt = 0;
        for(int j = i + 1; j<=n; j++) {
            cnt++;
            if(cnt > d) {
                break;
            }
            if(a[j] > a[i]) {
                dp[i] = max(dp[i], dp[j] + 1);
            }
            else {
                cnt = 0;
            }
            
        }   
    }
    int ans = 0;
    for(int i = 1; i<=n; i++) {
        ans = max(ans ,dp[i]);
    }
    cout<<ans<<"\n";

}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:8:26: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    8 | #define REP(i,n) for(int (i) = 0; (i)<(n); (i)++)
      |                          ^
Main.cpp:27:5: note: in expansion of macro 'REP'
   27 |     REP(i,n) cin>>a[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