#include <stdio.h>

​

#define N 10

​

__global__ void add(int * a, int * b, int * c) 

{

    int tID = blockIdx.x;

    if (tID < N) 

    {

        c[tID] = a[tID] + b[tID];

    }

}

int main() 

{

    int a[N], b[N], c[N];

    int * dev_a, * dev_b, * dev_c;

    cudaMalloc((void ** ) & dev_a, N * sizeof(int));

    cudaMalloc((void ** ) & dev_b, N * sizeof(int));

    cudaMalloc((void ** ) & dev_c, N * sizeof(int));

    // Fill Arrays

    for (int i = 0; i < N; i++) 

    {

        a[i] = i,

        b[i] = 1;

    }

    cudaMemcpy(dev_a, a, N * sizeof(int), cudaMemcpyHostToDevice);

    cudaMemcpy(dev_b, b, N * sizeof(int), cudaMemcpyHostToDevice);

    add << < N, 1 >>> (dev_a, dev_b, dev_c);

    cudaMemcpy(c, dev_c, N * sizeof(int), cudaMemcpyDeviceToHost);

    for (int i = 0; i < N; i++) 

    {

        printf("%d + %d = %d\n", a[i], b[i], c[i]);

    }

    return 0;

}