calculator: Write a program that takes three command-line arguments: number operator number and performs the required operation and prints the result on a single complete line in standard output. (The four operators of a arithmetic, + * - /, must be recognized here.

This is the code I have:

#include using namespace std; int main(int argc, char * argv[]) {total; if (strcmp(argv[2], "+") == 0) tot=atoi(argv[1])+atoi(argv[3]); else if (strcmp(argv[2], "-") == 0) tot=atoi(argv[1])-atoi(argv[3]); else if (strcmp(argv[2], "/")== 0) tot=atoi(argv[1])/atoi(argv[3]); else if(strcmp(argv[2], "*") == 0) tot=atoi(argv[1])*atoi(argv[3]); else {cout<<"illegal input "; return 1; } cout<

and I keep getting the error message 'you might be using the wrong number somewhere in your solution but I can't figure out where.

Thanks in advance for help