This is in c++

12. Use the code below to answer the questions that follow. Assume that all proper libraries and name spaces are included and that the code will compile without error. Within the main function, for the variable int last_sid write in the last digit of your SMC student ID. int foo(int a, int b)f //First intc- a+b; while(c>-3) return C; char foo(string a, int b) t //Second return a[b]; string foo(int b, string &a) 1 //Third string sub-a.substr (3*b,3); a.replace (3*b,3,"..."); return sub; void main() int last sid - string letters("ggfiorkcboneat !! !ws adtarojot"); string output(""); int numbers[] {0,8,3,7,4,6,9,1,2,5}; ; //