new一个数组，delete释放内存

int *a = new int[4];
for(int i=0;i<4;i++)
{
a[i] = i;
printf("a[%d]=%d\n", i, i);
}

delete[] a;

return 0;

转载于:https://www.cnblogs.com/zhangxuan/p/5972730.html