CUDA + VS 编程 出现错误 ： LNK1561: 必须定义入口点

[大大的道道的]

#include "cuda_runtime.h"
#include "device_launch_parameters.h"
#include <stdio.h>
#define N 10

__global__ void add(int *a, int *b, int *c)
{
	int tid = blockIdx.x;
	c[tid] = a[tid] + b[tid];

}
int main()
{
	int a[N], b[N], c[N];
	int *deva, *devb, *devc;
	//在GPU上分配内存
	cudaMalloc((void **)&deva, N * sizeof(int));
	cudaMalloc((void **)&devb, N * sizeof(int));
	cudaMalloc((void **)&devc, N * sizeof(int));

	//在CPU上为数组赋值
	for (int i = 0; i < N; i++)
	{
		a[i] = -i;
		b[i] = i*i;
	}
	//将数组a和b传到GPU
	cudaMemcpy(deva, a, N * sizeof(int), cudaMemcpyHostToDevice);
	cudaMemcpy(devb, b, N * sizeof(int), cudaMemcpyHostToDevice);
	cudaMemcpy(devc, c, N * sizeof(int), cudaMemcpyHostToDevice);
	add << <N, 1 >> >(deva, devb, devc);

	//将数组c从GPU传到CPU
	cudaMemcpy(c, devc, N * sizeof(int), cudaMemcpyDeviceToHost);
	for (int i = 0; i < N; i++)
	{
		printf("%d+%d=%d\n", a[i], b[i], c[i]);
	}
	cudaFree(deva);
	cudaFree(devb);
	cudaFree(devc);
	return 0;
}

[百灵工作室]

test.cu-->属性 --> 项类型 --> 参与生成