输出:每两组数据之间空一行
每两组数据之间空一行:
long count=-1;
while (xx)
{
count=count+1;
if (count)
printf("\n");
}
bool vis=false;
while (xx)
{
if (vis)
printf("\n");
vis=true;
}
每两组数据之间空一行:
long count=-1;
while (xx)
{
count=count+1;
if (count)
printf("\n");
}
bool vis=false;
while (xx)
{
if (vis)
printf("\n");
vis=true;
}