二进制优化
t=1;
while(n[i]-t>0)
{
n2[k++]=t*i;
n[i]=n[i]-t;
t*=2;
}
if(n[i]>0)
n2[k++]=n[i]*i; t=1;
while(n[i]-t>二进制优化
t=1;
while(n[i]-t>0)
{
n2[k++]=t*i;
n[i]=n[i]-t;
t*=2;
}
if(n[i]>0)
n2[k++]=n[i]*i; t=1;
while(n[i]-t>