Use scan to get nth true array from boolean array
Use scan to get nth true array from boolean array

ronekko/chainer,ysekky/chainer,keisuke-umezawa/chainer,ktnyt/chainer,jnishi/chainer,aonotas/chainer,hvy/chainer,wkentaro/chainer,cupy/cupy,okuta/chainer,chainer/chainer,keisuke-umezawa/chainer,hvy/chainer,niboshi/chainer,ktnyt/chainer,niboshi/chainer,jnishi/chainer,keisuke-umezawa/chainer,okuta/chainer,niboshi/chainer,wkentaro/chainer,wkentaro/chainer,hvy/chainer,chainer/chainer,cupy/cupy,niboshi/chainer,jnishi/chainer,rezoo/chainer,pfnet/chainer,delta2323/chainer,keisuke-umezawa/chainer,chainer/chainer,ktnyt/chainer,cupy/cupy,tkerola/chainer,hvy/chainer,chainer/chainer,ktnyt/chainer,wkentaro/chainer,cupy/cupy,kashif/chainer,kiyukuta/chainer,anaruse/chainer,okuta/chainer,okuta/chainer,jnishi/chainer