C :: How To Create A Program That Not Allow Negative Numbers

Sep 2, 2013

I have a homework assignment due that told me for the "input specification" that "n" is an integer greater then 0. How would I put this in and where?

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C++ :: Program That Uses Negative Numbers In A Conjecture Algorithm

Mar 6, 2013

I have to write a program that uses negative numbers in a conjecture algorithm. The program terminates when a number is reached that was already outputted. I can not get it to work and I have been racking my brain for a week.

#include <iostream>
using namespace std;
int main() {
int x[1000], y[1000], i=0, j=0, count=0, w=0, z[1000], t = 0;

[code]....

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C :: Program Crashes And Returns Random Negative Numbers

Mar 1, 2014

I having some issues with two different programs here... One of them crashes and returns random negative numbers whenever it reaches a "fscanf" function and the other displays a "Polink fatal error: access denied" error.

Code:
/* Evan Wentz */
/* Pike - ET2560 */
#include <stdio.h>
#define MAX_ACCTS 100

int accounts [];
double balances [];

[Code] ....

I thought the reason this kept crashing before was because I didn't type the data into the text file it was writing too correctly, but I made another program to do that, and it crashed whenever it got to fprintf. Program works perfect besides the file stuff...

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C++ :: Input Validation - Program Cannot Accept Negative Numbers

Nov 12, 2014

#include <iostream>
#include <iomanip>
using namespace std;

// Function Prototype
void sortArray(int array[], int size);

[Code] ....

This program was made to allow students to enter as many test scores as they want and the program will show them in ascending order and then will calculate the average of all test scores. It works wonderful until you enter a negative test score and then it throws the averaging process off. I can't seem to be able to make the program not accept the negative numbers.

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Visual C++ :: Ignoring Negative Numbers When Trying To Add Only Positive Numbers?

May 15, 2013

ignoring negative numbers when I am trying to add up only positive numbers.

SAMPLE:
if (num>=0) {
sum= sum + num;
}
else

how would the else in this case being a negative number not be included in the sum

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C++ :: Create A Program That Reads Numbers And Calculate Them On A Separated Subroutine

Nov 15, 2013

I need to create a program that reads some numbers, and calculate them on a separated subroutine, and the return of this subroutine must be the sum of all the numbers. I'm getting an error but I can't figure out why =/

#include <iostream>
using namespace std;
int calc(int val, int qtd){
int sum=0;
for (int cont=0; cont<qtd; cont++)
sum=sum+val;
return sum;

[Code]...

The error that I'm getting is on the line 22.

The error message: "invalid conversion from 'int*' to 'int' [fpermissive]

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C++ :: Use Class Structure To Create Program That Reads In Two Rational Numbers?

Nov 4, 2013

how to use a Class structure to create a program that reads in two rational numbers and adds them, subtracts, multiplies, and divides them.

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C++ :: Negative Numbers Not Working?

Jan 22, 2015

I have a program where the user inputs a line of numbers, and the two highest ones are displayed. It works fine, until negative values are entered at which point it shows 0 as the result.

Code: #include <iostream>
using namespace std;
int main( ) {
int num = 0;
int highest = 0;

[Code].....

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C :: Ignore Negative Numbers In Array

Feb 15, 2014

So i have this program that takes in user input and stores them into an array and then prints them, removes duplicates, and sorts in ascending order. The user can also stop by inputting a sentinel value (in this case -1). But i am also supposed to ignore any negative value besides -1. When i input any other negative value into the program it messes up. How would i go about ignoring the negative values?

Code:
#include<stdio.h>
int main()
{
int input, nums[20], i, j, k, temp, count=0, count2=0;
for(i=0;i<20;i++)

[Code] .....

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C :: How To Correctly Multiply With Negative Numbers

Jul 24, 2013

I've been working on this program to create a simple desk calculator for a school assignment, and I managed to finish. All we had to do was add, subtract, multiply, and divide positive integers - and I was able to do that just fine. This program got me thinking though, because I do not know how to write commands to multiply/divide negative numbers.

In fact, when I divide a number like 21 by 4, it comes out to 5 because I don't know how to allow it to compute remainders (which wasn't a requirement for my program). This intrigued me so I've been trying to figure it out for the last few days but to no avail. Here's my code:

Code: void flush_buffer(){
int ch;
while ((ch = getchar()) != '
' && ch != EOF);

[Code]....

And just know that my code works perfectly fine, I'm not here for troubleshooting it. I just want to know what I can change to allow negative values to be correctly computed.

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C :: Negative Numbers Are Biased In Two Complement?

Mar 2, 2014

I am reading one of the exercise solutions for C Programming Language: The C Programming Language Exercise 3-4

In it, it states that negative numbers are biased by (2^n - 1) (i.e. -I is represented by (2^n - 1) - (+I). So:

Code:
Bias = 2^8 - 1 = 255 = 11111111
Subtract 25 = 00011001
Equals = 11100110

what is meant by the "bias" here and what is the value of "I" here. It just suddenly uses "I" without explaining what it is.

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C/C++ :: Counting Positive And Negative Numbers?

Jan 27, 2014

#include <iostream>
using namespace std;
int initialization (int []);
int identifying (int [],int);

[Code].....

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C/C++ :: Isdigit To Work With Negative Numbers

Jul 28, 2012

Ok well i know that isdigit in my code is seeing the negatives as a character and so i made my program give an error message. But i need negative numbers to work how could i get this to work with negative numbers.

The code is supposed to add the 3 numbers input into the command line argument including negative numbers.

#include <stdio.h>
#include <stdlib.h> 
#include <ctype.h>
#include <string.h>    
int main(int argc, char *argv[]){  
   int add=0;
   int i;
 
[Code] ...

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C++ :: How To Get Rid Of Negative Number From Randomly Generated Numbers

Oct 21, 2013

I have a error with one of my programs. I'm supposed to get rid of negative numbers when there are numbers that are randomly generated. Here is the middle part of the code.

{
int vectorLength = 10;
vector<int> bothSigns(vectorLength);
cout << " Input vector: ";
for (int i = 0; i < vectorLength; i = i + 1)
{ bothSigns[i] = rand()%201 - 100;

[code] .....

The part where i'm supposed to start is after the /////'s. However, whenever I input a number for the random numbers(not put in part of code), i keep getting a segmentation error.

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C :: Switch Inside A While Loop - Write Min And Max To Get Negative Numbers

Nov 25, 2014

I got the while loop right... but how do i write the minimum and max to get negetive numbers like -88....

Code:
#include <stdio.h>#include <math.h>
#include <conio.h>
int gcd(int, int);
int main() {
int x, y, min, max, result, power, flag = 1;
char c;

[Code] ....

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C++ :: User Input - Calculate Sum Of Only Positive Values While Ignoring Negative Numbers

Jun 19, 2014

So I have to make a program that allows the user to enter both positive and negative numbers and the program is suppose to calculate the sum of only the positive values while ignoring the negative values. Also it is to be a sentinel-controlled loop with a number ending the set of values.

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C++ :: Having Negative 0 As Result After Multiplying Zero With Negative Number

Aug 27, 2014

Having error . I multiplied 0 by -4 and my result is -0 instead of 0. I tried to change the data type put It won't work. This is my code:

#include <iostream>
int main () {
double b, c;
std::cout<<"b: ";
std::cin>>b;
std::cout<<"c: ";
std::cin>>c;
std::cout<<b*c<<std::endl;
return 0;
}

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C :: Why Program Can't Subtract Negative Number From Positive One

Feb 2, 2015

My program uses a while loop to eventually get to an error of zero and a root of sqrt(3). I'm not understand why after the third iteration the program fails to compute a new x value. I'm using Visual Studio 2013. The code tag instructions were dubious.

Code:

#include <stdio.h>
#include <math.h>
main() {
/*This program uses the Newton-Raphson method to solve y = (x^3)-3 for it's roots.*/
printf("This program uses the Newton-Raphson method to solve y = (x^3)-3 for it's roots. Enter your estimate of the root.
");
float x,y,z;
int num;
num = 0;

[Code]...

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C++ :: How To Trap Negative Integer Inputs In Program

Jun 30, 2014

A program that asks 10 positive integers and classify them as odd or even positive integer inputs. The algorithm has to trap negative integer inputs. The output will be displayed in two columns. ODD and EVEN.

here's my program code...

#include<iostream>
using namespace std;
main() {
int countA;

for(countA=0;countA<=10;countA++) {

[Code] ....

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C++ :: Recursive Function - Program Is Returning A Negative Number At The End

Nov 14, 2013

Why my program is returning a negative number at the end...attached is the program:

/*Write a recursive function recursiveMinimum that takes an integer array and the array size as arguments and returns the smallest element of the array. The function should stop processing and return when it receives an array of 1 element.*/

#include <stdio.h>
#include <time.h>
#include <iostream>
using namespace std;
float recursiveMinimum (int ARRAY[], int n);

[Code] .....

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C :: Program To Show Highest Negative And Lowest Positive Temperature Of Year

Jan 19, 2014

I have an assigment and I don't know yet how to write this program :" I introduce the average monthly temperatures of a year(12 values for 12 months). When I compile the program it needs to show the highest negative temparature and the lowest positive temperature of that year.

Example: Entry data: -4 -6 0 5 10 20 24 25 17 8 -1 -7 exit data : max negative= -1 and min positive= 5 "

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C++ :: Write Negative To One File And Positive Numbers To Another File

Dec 11, 2013

im supposed to create a program that reads in a list of integers from the terminal and writes the negative numbers to one file and the positive numbers to another file.

i got most of it doen but for some reason its not writting the negative numbers. on what im doing wrong?

#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main(){
int pos_num = 0;
int neg_num = 0;
int positive_numbers = pos_num % 5;

[Code]...

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C++ :: Average Negative / Positive Numbers And Total Average?

Nov 18, 2013

I am trying to average the negative numbers and positive number and of course the total average.

This will read in a list of n values, where n is not known ahead of time. The number of values read into the array will be saved in n.

vector<int> readList() {
std::vector<int> result;
ifstream inFile;
inFile.open("setA.txt");
for (int x; inFile >> x; ) {
result.push_back(x);

[code]....

array is a one-dimensional array of integers and n is the number of elements in that array that contain valid data values. Both of these are input parameters to the function. The function must calculate 1) the average of the n integers in array, storing the result in ave; 2) the average of the positive numbers (> 0), storing the result in avePos, and 3) the average of the negative numbers (< 0), storing the result in aveNeg.

void avgs (std::vector &array, int &ave, int &avePos, int &aveNeg) {
int sum = 0, pos_sum = 0, neg_sum = 0, pos_count = 0, neg_count = 0;
for (auto i : array) {
sum += i;
if (i > 0) { pos_sum += i; ++pos_count; }

[code]....

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C++ :: Create Two Vectors With 10 Elements And Input Random Numbers

Feb 9, 2014

I can't compile this code as I am at work and the computers are security protected, So i''l have to wait until i get home to test this, but I am pretty sure I am wrong. The problem is I have to create two vectors with 10 elements and input random numbers into it, then pick one of the elements of the second vector at random and append it to an element from the first vector at random. This has to be done 10 times and the I am assuming i have to print the 10 results. This is what I have:

#include <cstdlib>
#include <ctime>
#include <iostream>
using namespace std;
int main() {
vector<int> random (10);

[Code] ....

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C/C++ :: Program To Print Product Of Even Numbers And Sum Of Odd Numbers Between 1 And 30

May 20, 2014

I want to make a program to print the product of even numbers between 1 and 30 and sum of odd numbers between 1 and 30. But the answer of product is negative. The photo shows the output of the code.

#include <stdio.h>
#include <conio.h>
void main ()
{
int i, even_product=1, odd_sum=0;
for(i=1;i<=30;i++) // For loop starts here!

[Code]...

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C/C++ :: Program That From 50 Numbers Displays Only Numbers Less Than 5

Jan 25, 2015

So i have made an array and made a scanf in a for loop so it can store all numbers entered from keyboard in the array but i dont know how to put the numbers that are less than 5 in another array and then print that array out and the lenght of the array.

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