 #include <cuda.h>
 #include <stdlib.h>
 #include <stdio.h>
-#define N 10
+#include "helper_timer.h"
 
 __global__ void add (int *a, int *b, int *c) {
     int tid = blockIdx.x * blockDim.x + threadIdx.x;

        c[tid] = a[tid]+b[tid];
    }
}
int main(void) {
    int a[N],b[N],c[N];
    // float a_h[N];
    int *dev_a, *dev_b, *dev_c;//, *a_d;

    sdkResetTimer(&timer);
    sdkStartTimer(&timer);
    
    add <<<B,N>>> (dev_a,dev_b,dev_c);
    
    cudaThreadSynchronize();
    sdkStopTimer(&timer);
