Submission #1357234

#TimeUsernameProblemLanguageResultExecution timeMemory
1357234Faisal_SaqibPopeala (CEOI16_popeala)C++17
0 / 100
15 ms1604 KiB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=2e4+10;
const ll inf=1e18;
#define int ll
int p[N];
ll rd[N][16];
int dp[N][51];
int cost(int l,int r)
{
    // r[l]&r[l+1] .. 
    int lg=__lg(r-l+1);
   return ( __builtin_popcountll(rd[l][lg]&rd[r-(1<<lg)+1][lg])*(p[r]-p[l-1]));
}
void DnC(int k,int l,int r,int opl,int opr)
{
    if(r<l)return;

    int m=(l+r)>>1;
    int opi=m,opp=m;
    for(int i=opl;i<=min(m,opr);i++)
    {
        int oth=cost(i,m) + dp[i-1][k-1];
        if(oth<=dp[m][k])
        {
            if(oth<dp[m][k])
                opp=i;
            dp[m][k]=oth;
            opi=i;
        }
    }
    DnC(k,l,m-1,opl,opi);
    DnC(k,m+1,r,opp,opr);
}
int32_t main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,t,s;
    cin>>n>>t>>s;
    for(int i=1;i<=t;i++)
    {
        cin>>p[i];
        p[i]+=p[i-1];
    }
    for(int i=0;i<n;i++)
    {
        string q;
        cin>>q;
        for(int j=1;j<=t;j++)
        {
            if(q[j-1]=='1')
                rd[j][0]|=(1ll<<i);
        }
    }
    for(int j=1;j<16;j++)
    {
        for(int i=1;i+(1<<j)-1<=t;i++)
        {
            rd[i][j]=(rd[i][j-1]&rd[i+(1<<(j-1))][j-1]);
        }
    }
    for(int i=0;i<=t;i++)
    {
        for(int j=0;j<=s;j++)
        {
            dp[i][j]=inf;
        }
    }
    dp[0][0]=0;
    for(int j=1;j<=s;j++)
    {
        DnC(j,j,t,1,t);
        cout<<dp[t][j]<<endl;
    }
}
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