Submission #208005

#	Time	Username	Problem	Language	Result	Execution time	Memory
208005		rzbt	Split the sequence (APIO14_sequence)	C++14	0 / 100	12 ms	760 KiB

sequence

#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define MAXN 1005
#define MAXK 55
typedef long long ll;


using namespace std;

int n,u;
int dp[MAXN][MAXK];
int niz[MAXN];
int suma[MAXN];
int sec[MAXN][MAXK];
int resi(int d,int k){
    if(dp[d][k])return dp[d][k];
    if(k==0 || d==1){

            //printf("   %d %d %d %d\n",l,d,k,dp[l][d][k]);
        return 0;
    }

    for(int i=k+1;i<d;i++){
        int tr=suma[i-1]*(suma[d]-suma[i-1])+resi(i-1,k-1);
        if(tr>dp[d][k]){
            sec[d][k]=i-1;
            dp[d][k]=tr;
        }

    }
    //printf("   %d %d %d %d\n",l,d,k,dp[l][d][k]);
    return dp[d][k];
}

int main()
{
    scanf("%d %d", &n, &u);
    for(int i=1;i<=n;i++)
        scanf("%d",niz+i);
    for(int i=1;i<=n;i++)
        suma[i]=suma[i-1]+niz[i];
    printf("%d\n",resi(n,u));
    int poc=n;
    for(int i=u;i>0;i--){
        poc=sec[poc][i];
        printf("%d ",poc);
    }
    return 0;
}

Compilation message (stderr)

sequence.cpp: In function 'int main()':
sequence.cpp:41:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &u);
     ~~~~~^~~~~~~~~~~~~~~~~
sequence.cpp:43:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",niz+i);
         ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29