lemon

#include<bits/stdc++.h>
using namespace std;
const int maxn=1e6+5;
const int INF=1e9+5;
int n,m,k,w,tot,minn=INF,mark;
int f[1005][1005],a[1005],b[101],d[101];
template <class t>void red(t &x)
{
    x=0;
    int w=1;
    char ch=getchar();
    while(ch<'0'||ch>'9')
    {
        if(ch=='-')
            w=-1;
        ch=getchar();
    }
    while(ch>='0'&&ch<='9')
    {
        x=(x<<3)+(x<<1)+ch-'0';
        ch=getchar();
    }
    x*=w;
}
void input()
{
    freopen("luogu.txt","r",stdin);
    freopen("lemon.out","w",stdout);
}
int main()
{
    input();
    red(n);
    red(m);
    red(k);
    red(w);
    while(n--)
    {
        memset(f,0x3f,sizeof(f));
        for(int i=0;i<=m;++i)
        {
            f[i][i]=0;
            if(!i)
                continue;
            red(a[i]);
        }
        a[m+1]=w;
        for(int i=2;i<=m+1;++i)
            for(int j=0;j+i<=m+1;++j)
            {
                int e=j+i-1;
                for(int k=j;k<e;++k)
                    if(f[j][k]+f[k+1][e]+a[e+1]-a[j]<f[j][e])
                        f[j][e]=f[j][k]+f[k+1][e]+a[e+1]-a[j];
            }
        printf("%d\n",b[++tot]=f[0][m]);
    }
    for(int i=1;i<=tot;++i)
        if(b[i]<minn)
        {
            minn=b[i];
            mark=i;
        }    
    d[1]=0;
    for(int i=2;i<=tot;++i)
        d[i]=(d[i-1]+k)%i;
    printf("\n%d",1+abs(d[tot]+1-mark));
    return 0;
}

View Code