粗心错误水题

https://pan.baidu.com/s/1AxKIn3elEogibxA3J8FXuw wy62

rd1();k=rd();
      //cerr<<flag;
      if(flag) printf("%d",n-k+1);
      else
    {
          if(k==1)
        {
              ans=max(cc[0],max(cc[1],max(cc[2],cc[3])));
              printf("%d",ans);
        }
          else
        {
              int mx=n-k+1;
              FOR(i,1,mx)
            {
                  int pp=0;
                  FOR(j,0,k-1) pp=pp*4+a[i+j];
                  //cerr<<i<<" "<<pp<<endl;
                  ++cnt[pp];
            }
              mx=1;FOR(i,1,k) mx*=4;--mx;
              FOR(i,0,mx) gmax(ans,cnt[i]);
              printf("%d",ans);
        }
    }