Submission #1284382

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284382		dobri_oke	Rabbit Carrot (LMIO19_triusis)	C++20	35 / 100	142 ms	200176 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
#define w first
#define h second
#define pb push_back
#define int long long

const int N = 5e5+100;
int n, m;
int a[5100], dp[5100][5100];

void solve(){
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    for(int i = 0; i <= n; i++){
        for(int j = 0; j <= 5000; j++) dp[i][j]=1e18; 
    }
    dp[0][0] = 0;
    int sf[5000 + 2];
    sf[5000 + 1] = 1e18;
    for(int i = 1; i <= n; i++){
        for(int j = max(0ll, a[i] - m); j <= 5000; j++) dp[i][a[i]] = min(dp[i][a[i]], dp[i-1][j]);
        for(int j = 5000; j >= 0; j--) sf[j] = min(sf[j + 1], dp[i - 1][j]);
        for(int j = 0; j <= 5000; j++){
            dp[i][j] = min(dp[i][j], sf[max(0ll, j-m)] + 1);
        }
        sf[5000 + 1] = 1e18;
    }
    int ans = 1e18;
    for(int i = 0; i <= 5000; i++) ans = min(ans, dp[n][i]);
    cout << ans << '\n';
}

signed main(){   
    ios_base::sync_with_stdio(0);   cin.tie(0);
    //freopen("promote.in","r",stdin);
    //freopen("promote.out","w",stdout);
    int tt=1;
   // cin >> tt;
    while(tt--){
        solve();
    }
}

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37