View Compilation Error

0_0_17967603_14259.cpp:5:18: error: declaration of 'str' as multidimensional array must have bounds for all dimensions except the first
 char str[100005][]={
                  ^
0_0_17967603_14259.cpp: In function 'int main()':
0_0_17967603_14259.cpp:22:19: error: 'str' was not declared in this scope
       printf("%s",str[n-1]);
                   ^