# include <iostream.h> # include <string.h> # include <stdlib.h> # include <ctype.h> # include <conio.h> int main( ) { clrscr( ); int max_length=1; char *Number_1=NULL; char *Number_2=NULL; char *Sum=NULL; int length_1=0; int length_2=0; cout<<\" Enter the maximum length = \"; cin>>max_length; Number_1=new char[(max_length+5)]; Number_2=new char[(max_length+5)]; Sum=new char[(max_length+5)]; strset(Sum,NULL); strset(Number_1,NULL); strset(Number_2,NULL); cout<<\"\\n Enter First Number = \"; cin>>Number_1; cout<<\"\\ Enter Second number = \"; cin>>Number_2; length_1=strlen(Number_1); length_2=strlen(Number_2); if(strlen(Number_1)>=strlen(Number_2)) { strrev(Number_2); for(int count_1=length_2;count_1<length_1;count_1++) strcat(Number_2,\"0\"); strrev(Number_2); length_2=length_1; } else { strrev(Number_1); for(int count_2=length_1;count_2<length_2;count_2++) strcat(Number_1,\"0\"); strrev(Number_1); length_1=length_2; } int sum=0; int carry=0; int digit_1=0; int digit_2=0; char Temp[5]={NULL}; for(int count_3=(length_1-1);count_3>=0;count_3--) { strset(Temp,NULL); digit_1=(int(Number_1[count_3])-48); digit_2=(int(Number_2[count_3])-48); sum=(digit_1+digit_2+carry); if(sum>9) { carry=1; sum-=10; } else carry=0; itoa(sum,Temp,10); strcat(Sum,Temp); } strrev(Sum); cout<<\"\\n Sum = \"<<Sum; getch( ); return 0; }