Submission #396953

#	Time	Username	Problem	Language	Result	Execution time	Memory
396953		Andyvanh1	Boxes with souvenirs (IOI15_boxes)	C++14	50 / 100	2073 ms	21596 KiB

boxes

#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <queue>
#include <map>
#include <math.h>

using namespace std;

#define pb push_back
#define INF INT32_MAX
#define vt vector


typedef vt<int> vi;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tiii;
typedef long long ll;





#define MOD  1000000007


ll delivery(int n, int k, int l, int arr[]){
    if(k==1){
        ll ans = 0;
        for(int i = 0; i < n; i++){
            ans+=2*min(arr[i],l-arr[i]);
        }
        return ans;
    }else if(k==n){
        if(arr[n-1]<=l/2){
            return arr[n-1]*2;
        }else if(arr[0]>l/2){
            return 2* (l-arr[0]);
        }else{
            int Max1 = 0;
            int Max2 = 0;
            int i = 0;
            for(; i < n; i++){
                if(arr[i]<=l/2){
                    Max1 = max(Max1, arr[i]);
                }else{
                    break;
                }
            }
            Max2 = arr[i];
            return min(l,2*(Max1+l-Max2));
        }
    }else{
        vt<ll> dp(n+1);
        dp[0] = 0;
        for(int i = 1; i <= n; i++){
            dp[i] =INT64_MAX;
            for(int j = i-1; j >= i-k&&j>=0; j--){
                
                    dp[i] = min(dp[i], dp[j] + min(min(2 * (l - arr[j]), 2 * arr[i - 1]), l));

            }

        }
        return dp[n];
    }

}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30