Question

can someone help me im getting some errors
void addBig(int a[], int b[], int c[])
{
int i, temp, ones, carry;
for(i=0;i<=MAX_DIGITS-1;i++)//sets the int c[] to zero
c[i]=0;
for(i=0;i<=MAX_DIGITS-1;i++)
{
c[i]=a[i]+b[i];//adds the arrays togther
}
for(i=0;i<=MAX_DIGITS-1;i++)
{
ones=c[i]%10;
carry=c[i]/10;
c=carry[i];
c=ones + carry c[i+1]
}
}

Answer 1

the last two lines are giving me errors c=carry{i} and c=ones+carry c{i+1}

Answer 2

where us max_digits?

Answer 3

carry[] doesn't exist from whatr I see

Answer 4

c by itself also doesn't exist... You cannot get rid of an array, or add them randomly..

c != c[]
carry != carry[]

Answer 5

well this is the whole code
//harjasdeep Samra
//This program will test three functions capable of reading, adding, and printing 100-digit numbers.
#include <iostream>
#include<string>
using namespace std;

// Do not change these function prototypes:
void readBig(int[]);
void printBig(int[]);
void addBig(int[], int[], int[]);

// This constant should be 100 when the program is finished.
const int MAX_DIGITS = 100;

//There should be no changes made to the main program when you turn it in.
int main()
{
// Declare the three numbers, the first, second and the sum:
int num1[MAX_DIGITS], num2[MAX_DIGITS], sum[MAX_DIGITS];
bool done = false;
char response;
while (!done)
{
cout << "Please enter a number up to "<<MAX_DIGITS<< " digits: ";
readBig(num1);
cout << "Please enter a number up to "<<MAX_DIGITS<< " digits: ";
readBig(num2);
addBig(num1, num2, sum);
printBig(num1);
cout << "\n+\n";
printBig(num2);
cout << "\n=\n";
printBig(sum);
cout << "\n";
cout <<"test again?";
cin>>response;
cin.ignore(900,'\n');
done = toupper(response)=='N';
}
return 0;
}
//ReadBig will read a number as a string,
//It then converts each element of the string to an integer and stores it in an integer array.
//Finally, it reverses the elements of the array so that the ones digit is in element zero,
//the tens digit is in element 1, the hundreds digit is in element 2, etc.
void readBig(int x[])
{
int length, i, oneLess, l;
string number;
getline(cin,number);
length=number.length();
l=length-1;
oneLess=MAX_DIGITS-1;
for(i=0;i<MAX_DIGITS;i++)
{
x[i]=0;
}
for(i=0;i<=length-1;i++)
{
x[i]=number.at(l)-'0';
l--;
}
}
//PrintBig uses a while loop to skip leading zeros and then uses a for loop to print the number.
void printBig(int a[])
{
int count, i=0;
bool x=true;
count=MAX_DIGITS-1;
while(x)
{
if(a[count]!=0)
x=false;
//else if(count==MAX_DIGITS-1)
//x=false;
else
//i++;
count--;
}

for(i=count;i>=0;i--)
cout<<a[i];
}
//AddBig adds the corresponding digits of the first two arrays and stores the answer in the third.
//In a second loop, it performs the carry operation.
void addBig(int a[], int b[], int c[])
{
int i, temp, ones, carry;
for(i=0;i<=MAX_DIGITS-1;i++)//sets the int c[] to zero
c[i]=0;
for(i=0;i<=MAX_DIGITS-1;i++)
{
c[i]=a[i]+b[i];//adds the arrays togther
}
for(i=0;i<=MAX_DIGITS-1;i++)
{
ones=c[i]%10;
carry=c[i]/10;
c=carry[i];
c=ones + carry c[i+1]
}
}

Answer 6

same error as stated above.

Answer 7

yes

Answer 8

"KonradZuse
c by itself also doesn't exist... You cannot get rid of an array, or add them randomly..

c != c[]
carry != carry[]
8 minutes ago"

Answer 9

how could i fix this problem

Answer 10

Not sure exactly what each variable is doing, but if you need a carry array then make it an array, and if you need a single variable 'c' then make it a dummy variable since you use it once...

You also seem to only use carry once, so I'm not sure why there is an array of it.