哪错了啊，运行时，说内存错误，讲明白些，谢谢

C/C++ code

#include <stdio.h>int main(void){    int  a[100],i,j;    for(i = 1,j = 1;i <= 100;i++,j++)    {        a[i] = j;    }    for(i = 1;i <= 100;i++)    {        printf("%2d",a[i]);    }    return 0;}