View Compilation Error

0_0_17936638_24335.cpp: In function 'int main()':
0_0_17936638_24335.cpp:25:40: error: invalid conversion from 'int*' to 'int' [-fpermissive]
    else if(a[i]<s[len-1])fun(s,len,a[i]);
                                        ^
0_0_17936638_24335.cpp:25:40: error: too many arguments to function 'void fun(int, int)'
0_0_17936638_24335.cpp:3:6: note: declared here
 void fun(int n,int num){
      ^