c语言杨辉三角奇特现象，for循环自动终止原因？

Question

#include
int main()
{
//int n=1000;
int queue[100]={0,1,1,0};
int front=1,rear=4;
int i;
//for(i=0;;i++)
while(1)
{
queue[rear]=queue[front-1]+queue[front];
printf("%d ",queue[rear]);
rear++;
if(queue[front]==0)
{
queue[rear]=0;
rear++;
printf("\n");
}
front++;

}

//printf("%d\n",queue[43]);
printf("%d",i);
return 0;
}

Answer 1

for循环的条件语句没有写