RE (SIGSEGV)

general
,
1

i have declared the following:

1)long long int *a[100000]//Global Declaration

2)dynammic Declaration of----a[i]=(long long int*)calloc(sizeof(long long int),100000);

for(i=0;i<100000;i++){

  for(j=0;j<100000;j++)

    printf("%lld ",a[i][j]);
    
  printf("\n");
}

after going through the loop my program is showing segmation fault

does bcoz of declaring such long array dynammically i m getting RE (SIGSEGV);
bcoz of i m getting right ans of some of the test cases and RE (SIGSEGV) of some other test cases it means i m
not aacessing illegal memeory
I think The problem is with the declaration of an array of long long int of such larger size.