ll@N,@M,@K,@C--[N],@A[M],c[M]{},a=1d18;rep(k,K)c[C[k]]++;rep(m,M)a<?=(K-c[m])*A[m];REP(i,N-K-1)c[C[i]]--,c[C[K+i]]++,a<?=min[k,0,2]((K-c[C[k*K+i]])*A[C[k*K+i]]);wt(a);