Submission #99936

#	Time	Username	Problem	Language	Result	Execution time	Memory
99936		MohamedAhmed0	K blocks (IZhO14_blocks)	C++14	53 / 100	9 ms	4864 KiB

blocks

#include <bits/stdc++.h>
 
using namespace std;
 
int dp[105][105][105] ;
int arr[105] ;
int n , k ;
 
int solve(int idx , int idx2 , int cnt)
{
    if(cnt > k)
        return 1e9 ;
    if(idx == n)
    {
        if(cnt != k)
            return 1e9 ;
        return arr[idx2] ;
    }
    int &ret = dp[idx][idx2][cnt] ;
    if(ret != -1)
        return ret ;
    if(idx == 0)
    {
        ret = solve(idx+1 , 0 , 1) ;
        return ret ;
    }
    ret = solve(idx+1 , idx , cnt+1) + arr[idx2] ;
    if(arr[idx] > arr[idx2])
        idx2 = idx ;
    ret = min(ret , solve(idx+1 , idx2 , cnt));
    return ret ;
}
 
int main()
{
    memset(dp , -1 , sizeof(dp));
    scanf("%d %d" , &n , &k) ;
    for(int i = 0 ; i < n ; ++i)
        cin>>arr[i] ;
    return cout<<solve(0 , 0 , 0)<<"\n" , 0 ;
}

Compilation message (stderr)

blocks.cpp: In function 'int main()':
blocks.cpp:37:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d" , &n , &k) ;
     ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47