C++ :: Getting Error In Karatsuba Multiplication Program
Oct 5, 2014
I have made a Biginteger class that performs multiplication operation according to Karatsuba's algorithm. But it seems that the code is not working perfectly.In the class I have made a function named karatsuba(BigInteger a1, BigInteger b1)that performs the Multilplication operation. There might be problems in this function as I have tried to store the original digits(neglecting the leading zeros) of the two big integer values into two integers or there might be problems in somewhere else. corrected version of this function? My code is given below:
#include <stdio.h>
#include <iostream>
#include <cstdio>
[Code].....
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Oct 5, 2014
I have made a Biginteger class that performs multiplication operation according to Karatsuba's algorithm. But it seems that the code is not working perfectly.In the class I have made a function named karatsuba(BigInteger a1, BigInteger b1)that performs the Multilplication operation. There might be problems in this function as I have tried to store the original digits(neglecting the leading zeros) of the two big integer values into two integers or there might be problems in somewhere else.My code is given below:
#include <stdio.h>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <cstring>
using namespace std;
#define MAX_DIGIT 100
[code]....
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Apr 30, 2014
I wrote a sequential matrix multiplication program in c.
After execution i get error like
./mul.c: line 11: syntax error near unexpected token `('
./mul.c: line 11: `int main(){'
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define wA (30 * 16)
#define wB (50 * 16)
#define hA (80 * 16)
#define hB wA
#define wC wB
[Code] ....
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Apr 25, 2014
I have been using SSE/ SIMD Matrix multiplication approaches and I persistently get this error:
void mmul_sse_nsize(const float * a, const float * b, float * r, int size) {
__m128 a_line, b_line, r_line;
int bound = size*size;
int rows = size;
[Code] ....
The code almost never throws the error when matrices are size NxN, N =4.
Also, I have a 4 core laptop with 2 GB RAM and I am using VS2013.
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Apr 30, 2014
I wrote program for Sequential matrix multiplication .But after execution for any input value( ex. 100,150,400) it shows the execution time is 0.000 msec.
#include <stdio.h>
#include <math.h>
#include <sys/time.h>
void print_results(char *prompt, int N, float *a);
int main(int argc, char *argv[])
[Code] ......
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Feb 8, 2014
I have to write a program to display multiplication tables. I have written the following code:
Code:
#include <iostream>
#include <cstdio>
using namespace std;
int main(){
[Code] ....
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Feb 26, 2013
when i am running this program no errors are being shown but as soon as i press ctr+f9 to run the program my tc++ window closes.....
Code:
#include<stdio.h>
#include<conio.h>
void multiply(int m1[50][50],int ,int,int m2[50][50],int ,int );
void main() {
int i,j,m,n,p,q,m1[50][50],m2[50][50];
[Code] ....
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Oct 9, 2013
I just started Linear Algebra for my programming degree and to full understand everything I want to put it into code and make my own "matrix calculator." I have all the theory but I am having issues keeping the matrix variable and moving it around the class' functions to create it and output it. Once I know I have it saved I think I can get the addition/multiplication to work. Here is the code I have so far:
#include <string>
#include <iostream>
using namespace std;
class matrix {
[Code] ....
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Nov 16, 2014
Code:
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
void correctResponse(void);
void incorrectResponse (void);
void multiplication( void ); // function prototype
[Code] ....
// end function multiplication
// It keeps crashing. How do I compile the responses into a grade?
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Mar 9, 2014
I have a program matrix multiplication but it work not for big arrays. n should be bis 200.
#include <iostream>
#include <time.h>
#include <cstdlib>
[Code]....
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Feb 3, 2015
i need the output to display the product of every whole number from 1-3 in a table format.
this is the code i have so far. i know some brackets are missing but i just pasted the meat of the code. when i run the program i keep getting the number 1 displayed in a straight line going on forever
int multiply1 = 1;
int multiply2 = 1;
while(num1<=3)
{ // num1*num2;
//num1 = 0;
while(num2<=3)
{ Console.WriteLine(multiply1*multiply2);
if(num1>=3)
{ Console.Write();
}
}
num1++;
}
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Mar 9, 2013
Write a program that prints a multiplication table using nested loops. In main ask the user for the smallest column number , the largest column number and the size of the increment. Ask the user for the same information for the row values.
In the example the column values entered are: 5, 15 and 2 and the row values 3, 6 and 1.
Given those numbers you would generate the following table.
Multiplication Table
| 5 7 9 11 13 15 ___|___________________________________ | 3 |
15 21 27 33 39 45 4 | 20 28 36 44 52 60 5 | 25 35 45 55 65 75 6 | 30 42 54 66 78 90
Print the 24 values with the grey background. The other numbers show the values to be multiplied.
Code:
#include<stdio.h>
main() {
int a,b,c,d,e,f;
int i,j,total;
printf("Please enter smallest column number: ");
scanf("%i",&a);
printf("
[Code] ....
Challenge:
As an added challenge try to print out the column
headings (5 7 9 11 13 15) and the row headings (3 4 5 6)
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Nov 15, 2014
my code is :
#include<stdio.h>
int main();
{
printf("????
");
return 0;
}
error: expected identifier or '(' before '{' token
what do I have to do to run it?
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Aug 26, 2014
'm trying to program a BMI calculator in C for my assignment where the weight must be in KG and an int , and the height must be in m and a double value. The program should allow the user to input his weight(kg) and height(m) separated by a space and be able to calculate and display the BMI. My code is shown below :
#include<stdio.h>
int
main(void) {
int weight;
double height,bmi;
bmi = weight / ( height * height ) ;
scanf("%d%lf" , &weight , &height );
printf("BMI = %f", bmi);
return 0;
}
However , after running the program , I constantly get a 1.#INF00 value for my result.The compiler did not show any errors so why I'm getting this value.I input my weight and height in this format "45 1.65" 45 being the weight and 1.65 being the height.
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Aug 5, 2014
Back again with a random bug that I can't seem to track down. My error is in my main.cpp file. I get a C2248 error on line 54, there I'm doing:
t.makeEmpty(t.root)
I know why, because it's a private member...but it should have access in so far as everything is concerned. I double checked my makeEmpty code and it's good to go so far as I can tell. I can't quite iron out where the disconnect is.
V/R
Brad
main.cpp
#include <iostream>
#include <string>
[Code].....
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Mar 23, 2013
I've almost finished a Terminal/Command Prompt Program that can do most of the things a Microsoft or Linux Terminal can do - but I have a problem. I've got it to open programs fine, and I can also open their browser to the download page if they don't have it, but I need my program to know if there isn't the software so a bit like command prompt where it says 'The system cannot find the file test.txt.' and then it'll take them to the website if they like.
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Sep 18, 2013
this program is just to give the size and value of the array by the user.
Code:
#include <stdio.h>
main( ) {
int size ;
scanf ( "%d", &size ) ;
int arr[size] ;
for ( i = 1 ; i <= size ; i++ ) {
scanf ( "%d", arr[i] ) ;
printf ( "%d", arr[i] ) ;
}
error : Code:
C:UsersDocumentsprog est.c:7: parse error before `int'
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Jan 29, 2013
Here is what I have:
#include <iostream>
#include <cmath>
using std::cout;
using std::endl;
using std::cin;
[Code] .....
This is the output after compiling when I enter 10 as 'x':
3
5
5
5
7
7
7
7
7
9
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Jan 16, 2014
Here is the code which I wrote in Turbo C++...its giving errors..
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
voidmain() {
clrscr();
[code]....
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Aug 3, 2013
How do I find an error in a multithreading program (written in C)? I get an address, but when I put it into psp-addr2line, i get
??
??:0
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May 22, 2014
I'm working on a payroll program and I'm having problems that are causing calculation errors.
My input file is
1234FredJones4025.00
2345 TerrySmith6010.00
The errors I get are from the regular pay, over time pay, gross pay, tax amount and net pay calculations. They all look similar to this (6e+002). I believe they are occurring because regular pay isn't calculating correctly and the rest depend on that for their calculations. However, I can't see why regular pay isn't calculating correctly.
#include <fstream>
#include <iostream>
#include <iomanip>
using namespace std;
class payroll{
ifstream fin;
char employeeid[100];
[Code] .....
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Aug 15, 2014
I write below two numbers relationship program and got below error.
//two numbers relationship
//take standard and console input and output
#include <stdio.h>
#include <conio.h>
//take function main
main()
//define numbers {
int num1; //first number
int num2; //second number
[Code] ....
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Sep 20, 2014
Code:
#include <iostream>
#include <vector>
using namespace std;
struct Child;// incomplete type
struct Parent {
string name;
vector<Child *> children;// we don't need to know the details heres
[Code] .....
Why this program wont compile?
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Mar 28, 2013
I want to set an integer to zero when it easy equal to another integer, but it seems that the program for some reason won't set the integer to zero. Here is the example of that code:
#include <iostream>
using namespace std;
int main () {
int n = 2;
int r = 2;
if(n==r)
n++;
r*0;
cout << " n is " << n << endl;
cout << " r is " << r << endl;
}
What am I doing wrong, it should say that "n is 3" and "r is 0".
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Nov 30, 2013
I am using visual studio 2012 on windows 7. but, when I have compiled my programs and run them on an older pc to test out its functions, I receive an error saying that the program is not a "valid win32 application." I have even tested this with a very simple hello world console application, but the problem still remains. Where is the error coming from? is the application corrupted during transport? (upload to internet) or are programs compiled on win 7 incompatible with win xp
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Apr 11, 2013
I am trying to run this program for Insertion Sort, But some how I am getting some problem:
#include<iostream>
int main(){
int i,j,key,n;
scanf("%d",&n);
int a[n];
[Code] .....
Error
In function 'int main()':
Line 10: error: ISO C++ forbids variable-size array 'a'
compilation terminated due to -Wfatal-errors.
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