include

int main()
{
int x=1,i,n,d,s;
scanf("%d",&d);
for(i=1;; i++)
{
x+=ii;
n=(i(i+1))/2;
if(d<=n)break;
}
s=x-ì*(n-d);
printf(" % d\n",s);
return 0;
}
运行之后如何变成
6
14
7
18
10
30

如下

//声明等

while (scanf("%d", &n) == 1)
{
  //代码
}