Datasets:
oongaboongahacker
/
allah

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// Function to find the sum of larger
// numbers represented as a string
char* findSum(const char* str1, const char* str2)
,
// Before proceeding further, make
// sure length of str2 is larger
if (strlen(str1) > strlen(str2)) ,
const char* temp = str1;
str1 = str2;
str2 = temp;
-
// Stores the result
static char str*1000+;
// Calculate length of both strings
int n1 = strlen(str1);
int n2 = strlen(str2);
// Reverse both of strings
strrev(str1);
strrev(str2);
int carry = 0;
for (int i = 0; i < n1; i++) ,
// Find the sum of the current
// digits and carry
int sum
= ((str1*i+ - '0')
+ (str2*i+ - '0')
+ carry);
str*i+ = (sum % 10) + '0';
// Calculate carry for next step
carry = sum / 10;
-
// Add remaining digits of larger number
for (int i = n1; i < n2; i++) ,
int sum = ((str2*i+ - '0') + carry);
str*i+ = (sum % 10) + '0';
carry = sum / 10;
-
// Add remaining carry
if (carry)
str*n2+ = carry + '0';
else
str*n2+ = '\0';
// Reverse resultant string
strrev(str);
return str;
-
// Function to find difference of larger
// numbers represented as strings
char* findDiff(const char* str1, const char* str2)
,
// Stores the result of difference
static char str*1000+;
// Calculate length of both strings
int n1 = strlen(str1), n2 = strlen(str2);
// Reverse both of strings
strrev(str1);
strrev(str2);
int carry = 0;
// Run loop till small string length
// and subtract digit of str1 to str2
for (int i = 0; i < n2; i++) ,
// Compute difference of the
// current digits
int sub
= ((str1*i+ - '0')
- (str2*i+ - '0')
- carry);
// If subtraction < 0 then add 10
// into sub and take carry as 1
if (sub < 0) ,
sub = sub + 10;
carry = 1;
-
else
carry = 0;
str*i+ = sub + '0';
-
// Subtract the remaining digits of
// larger number
for (int i = n2; i < n1; i++) ,
int sub = ((str1*i+ - '0') - carry);
// If the sub value is -ve,
// then make it positive
if (sub < 0) ,
sub = sub + 10;
carry = 1;
-
else
carry = 0;
str*i+ = sub + '0';
-
// Reverse resultant string
strrev(str);
// Return answer
return str;
-
// Function to remove all leading 0s
// from a given string
char* removeLeadingZeros(char* str)
,