Unable to run CUDA program

Accelerated Computing CUDA CUDA Setup and Installation
1

Hi all!
I am trying to learn CUDA programming. I have installed CUDA-8.0. I am using code from this repo

My environment variables setting are as:

export PATH=/usr/local/cuda-8.0/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64