Submission #851643

#	Time	Username	Problem	Language	Result	Execution time	Memory
851643		NotLinux	Holding (COCI20_holding)	C++17	110 / 110	106 ms	17240 KiB

holding

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 105;
const int M = 10005;
const int inf = 1e18 + 7;
int dp[M+1][N+1],ndp[M+1][N+1];//0 indexli , kaç kumam kaldı , kaç tane eleman aldım
void solve(){
        int n,l,r,k;cin >> n >> l >> r >> k;
        l--;r--;
        int arr[n];
        for(int i = 0;i<n;i++)cin >> arr[i];
        for(int j = 0;j<=M;j++){
                for(int t = 0;t<=N;t++){
                        dp[j][t] = inf;
                        ndp[j][t] = inf;
                }
        }
        dp[k][0] = 0;
        for(int i = 0;i<n;i++){
                for(int j = 0;j<=k;j++){
                        for(int t = 0;t<=(r-l+1);t++){
                                if(dp[j][t] == inf)continue;
                                //cout << i << " " << j << " " << k << " = " << dp[i][j][k] << " " << (j - abs((l + k) - i)) << endl;
                                //al
                                if((j - abs((l + t) - i)) >= 0){
                                        ndp[(j - abs((l + t) - i))][t+1] = min(ndp[(j - abs((l + t) - i))][t+1] , dp[j][t] + arr[i]);
                                        //cout << "       -> " << i+1 << " " << (j - abs((l + k) - i)) << " " << k+1 << " = " << dp[i+1][(j - abs((l + k) - i))][k+1] << endl;
                                }
                                //alma
                                ndp[j][t] = min(ndp[j][t] , dp[j][t]);
                        }
                }
                for(int j = 0;j<=M;j++){
                        for(int t = 0;t<=N;t++){        
                                dp[j][t] = ndp[j][t];
                        }
                }
        }
        int ans = inf;
        //cout << "ENDED" << endl;
        for(int i = 0;i<=k;i++){
                //cout << n << " " << i << " " << r-l+1 << " -> " << dp[n][i][r-l+1] << endl;
                ans = min(ans , dp[i][r-l+1]);
        }
        cout << ans << endl;
}
signed main(){
        ios_base::sync_with_stdio(0);cin.tie(0);
        int testcase = 1;//cin >> testcase;
        while(testcase--)solve();
}

• Subtask 1: 22 / 22
• Subtask 2: 33 / 33
• Subtask 3: 33 / 33
• Subtask 4: 22 / 22