C语言问题求教

题目是：

设顺序表L中数组元素递增有序，写一算法，将X插入到顺序表的适当位置使表仍然有序，我写的程序是下面的，但是得不到想要的结果：

#define M 100
typedef int ItemType;
typedef struct {
int len;
ItemType items[M];
} Vector;

int createCircle(int population, Vector* vector)
{
int i;
if(population>M) return 0;
for (i=0; i<population; i++)
{
vector->items[i]=i+1;
}
vector->len=population;
return 1;
}

void insertOrderList(Vector* vector ,ItemType x )
{
int i;
if (vector->len>=100)
printf("overflow");
for (i=vector->len;i>1&&vector->items[i-1]>x;i--)
{
vector->items[i]=vector->items[i-1] ;
}
vector->items[i] =x;
vector->len++;
}

main()
{

int n,m,i;
Vector vector;
printf("Please input the length =");
scanf("%d",&n);
createCircle(n,&vector);
printf("Please type the number what to insert =");
scanf("%d",m);
insertOrderList(&vector,m);
for(i=0;i<=n;i++)
printf("%d ",vector.items[i]);
scanf("%d");

}

我的思路是，输入表长15，然后创建顺序表 1.2.3.4.。。。15 ，然后再输入插入数3，将3插入到表中，再输出新表，为什么输出结果不对？？

你掉了个符号
帮你改过来了 错误地方有注释
#include <stdio.h>
#define M 100
typedef int ItemType;
typedef struct {
int len;
ItemType items[M];
} Vector;

int createCircle(int population, Vector* vector)
{
int i;
if(population>M) return 0;
for (i=0; i<population; i++)
{
vector->items[i]=i+1;
}
vector->len=population;
return 1;
}

void insertOrderList(Vector* vector ,ItemType x )
{
int i;
if (vector->len>=100)
printf("overflow");
for (i=vector->len;i>1&&vector->items[i-1]>x;i--)
{
vector->items[i]=vector->items[i-1] ;
}
vector->items[i] =x;
vector->len++;
}


main()
{

int n,m,i;
Vector vector;
printf("Please input the length =");
scanf("%d",&n);
createCircle(n,&vector);
printf("Please type the number what to insert =");
scanf("%d",&m);//这里要加取地址符
insertOrderList(&vector,m);
for(i=0;i<=n;i++)
printf("%d ",vector.items[i]);
scanf("%d");

}

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