Submission #528543

#	Time	Username	Problem	Language	Result	Execution time	Memory
528543		Shin	Financial Report (JOI21_financial)	C++14	48 / 100	78 ms	4444 KiB

Main

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define TASK "task"
#define all(x) x.begin(), x.end()

using namespace std;
const int N = 2e5 + 7;
const int MOD = 1e9 + 7;
const int INF = 1e9 + 7;
const long long INFLL = 1e18 + 7;

template <class X, class Y> bool minimize(X &a, Y b) {
    if (a > b) return a = b, true;
    return false;
}
template <class X, class Y> bool maximize(X &a, Y b) {
    if (a < b) return a = b, true;
    return false;
}

int n, D;
int a[N];
int dp[N];

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

    int res = 1;
    for (int i = n; i > 0; i --) {
        dp[i] = 1;
        for (int j = i + 1, lim = i + D; j <= min(lim, n); j ++) {
            if (a[i] >= a[j]) {
                lim = j + D;
            } else {
                maximize(dp[i], dp[j] + 1);
            }
        }
        maximize(res, dp[i]);
    }

    cout << res;
}

signed main(void) {
    cin.tie(0)->sync_with_stdio(0);
    int test = 1;
//    cin >> test;
    while (test --) {
        solve();
    }
    return 0;
}

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