C :: Count How Many Negatives And Positives Are Based On Users Input

Oct 5, 2014

I just don't understand how you would have it count how many negatives and positives there are based on the user's input? Here's the problem and the code it provides:

Modify the program so that is displays the average of the positive and negative numbers. (Hint: be careful not to count the number 0 as a negative number.)

Code:

#include <stdio.h>
#define MAXNUMS 5
int main() {
int i;
float number;
float postotal = 0.0f;
float negtotal = 0.0f;

[Code]...

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C/C++ :: Change Data Based On Users Input?

Feb 7, 2014

Player is given choice of x number of Races This choice changes the player's base stats. Then player is given a choice of x number of Classes (archer, warrior, etc.) This choice determines how the player's stats will change upon leveling up.

#include <cmath>
#include <iostream>
#include <ctime>

[Code]....

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C++ :: Program That Ask The Users To Input 4 Different Numbers

Nov 30, 2013

Make a program that will ask the users to input 4 different numbers. After the user’s input the program will display the formula on the next line. Next line would be the presentation of the formula which the variables were substituted by the inputs from the user, then returns the average of the numbers entered. **All inputs are integers except average which is float with two decimal places.

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C++ :: Count Number Of Distinct Edges Using Set Based Algorithm

Sep 8, 2014

So I have this set

13
14
24
31
62
35
36
42
13
44
62

now using sba or Set Based Algorithm I have to pair it out and towards the end find the size of the resulting set

#include <iostream>
#include <set>
int main()

[Code]......

this is the code just reads the edges that's 3... that is when we input the code. But what if its in a file? how do I read from there and show the paired count and the time taken?

Also I have the file that works and reads any txt file..but how do i get the code from it?

[URL]

this is the file..you have to run it as ./edgecount for it to work

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Visual C++ :: Program That Count From 1 To 12 And Print Count And Its Square For Each Count

Dec 16, 2014

4.1 Write a program that will count from 1 to 12 and print the count, and its square, for each count.

4.2 Write a program that counts from 1 to 12 and prints the count and its inversion to 5 decimal places for each count. This will require a floating point number.

4.3 Write a program that will count from 1 to 100 and print only those values between 32 and 39, one to a line. Use the incrementing operator for this program.

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C++ :: Federal Tax Calculator Based On User Input

Apr 17, 2014

I am doing an assignment that is to calculate the federal tax based on the users input. I am not entirely sure what it is doing, but it is definitely not what I want it to do. I commented out the loops because they seemed to have caused a problem, but there is still problems that are making the program do something else. Here is my code:

#include<iostream>
#include<string>
using namespace std;
double getData();
double taxAmount();

[Code] ....

Functions just seem like they are not my thing. It never gets to the second function to do the calculations and then return to main to display the results.

I tried changing the code to a switch(status) with a default: at the end that looped the "please try again" but for some reason, that was a fail, it created an endless loop.

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C++ :: Pixelate Image Based On User Input

Dec 24, 2014

My assignment is to pixelate an image based on users input. I have a structure that stores the image, and in this structure I'm storing the height and width and a dynamic array of RGBA struct.

This is my function. my main issue (that I've found) is offsetting and figuring out a way to handle the "edge" if the dimensions don't add up to the set pixelation size.

// @------------- Pixelation X
bool filter_pixelation(float percentageX, float percentageY, Picture& pic) {
// URL
/* 50% of 80 = (50/100) * 80 = 40 */
size_t perX = percentageX * (float)pic.width;
size_t perY = percentageY * (float)pic.height;

[Code] ....

Here is the getIndex function:

int getIndex(int x, int y, int width) {
return y * width + x;
}

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C/C++ :: How To Draw A Square Based On User Input

Nov 5, 2014

Okay so I have to draw a square using "c" that draws according to the user input. Also, this has to be a function, and here is the code I have so far:

#include <stdio.h>
void DrawSquare(int length, char symbol);
void DrawSquare(int length, char symbol) {
int row;
int col;

[Code] .....

When I run this program it compiles fine but when the user input is recorded it just draws nothing but makes tons of spaces.

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C++ :: Making Diamond Out Of Asterisks Based On Given Odd Integer Input

Sep 6, 2014

I have been tasked with making a diamond out of asterisks based on a given odd integer input. For some reason the bottom half of my diamond will not print. I'm not sure as to why.

Here is my code:

#include "stdafx.h"
#include <iomanip>
#include <iostream>

using namespace std;
int _tmain(int argc, _TCHAR* argv[]){

[Code] ....

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C++ :: How To Stop Outputting Data Based On A User Input

Sep 27, 2013

how to stop outputting data based on a user input. The text file is as follows:

1. a
2. b
3. c

and the code I'm using is as follows:

int main (){
string line;
int search;
cout << "Enter a number from 1-3" << endl;
cin >> search;
search++;
ifstream myfile ("example.txt");

[Code]...

What I want to do is to just output number 1 (the whole line) if the user enters number 1. However, I get an error on the second condition w/c is the "&& line!= search"

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C++ :: Dynamic Function Execution Based On String Input

Jun 27, 2013

I've got some functions and macros that I want to execute based on a string input that matches the function's name. I came across as this being a possible solution that I'd like to pursue IF it is possible to do. To clarify, I want to be able to look at a string and if the string matches the name of a defined function or macro then it will execute. Is there an effective way to do this (or is it even possible)?

It has to be pretty robust and dynamic given the project's purpose. Basically there's an input file that is being parsed and functions should execute if called upon in the file. I can't simply match strings to their corresponding functions in decision statements, as this isn't robust and isn't scalable.

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C++ :: Incrementing Values In Vector Based On Variable Input

Mar 24, 2014

I'm trying to increment the values in a vector, not the vector size, based on variable input. Basically I have a vector of size 10, and all of its values are initialized at zero. The program counts the frequency of numbers 0-9 in a four digit user input. This is what I have (I want it to work so badly but the compiler says that I'm using a pointer to a function used in arithmetic):

for (int i=0; i < num_slots; ++i) {
++guess_frequency[guess[i]];
}

I just want to know if you can increment values within a vector:

E.g.
change
0 0 0 0 0 0 0 0 0 0
to
1 0 0 0 2 0 0 1 0 0

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C++ :: Storing Multiple Arrays Based On User Input

Feb 7, 2014

I'm trying to create a function where it allows the user to type in multiple amounts of integers, so if the user wanted to have 3 different storages that hold different integers, the input would look something like this:

5
97 12 31 2 1 //let's say this is held in variable "a"
1 3 284 3 8 // "b"
2 3 482 3 4 // "c"
2 3 4 2 3 // "d"
99 0 2 3 42 // "e"

Since we don't know what number the user will input every time, I'm not sure how to create a dynamically allocated array that will create an x amount of arrays every time.. I want to be able to access each index of a, b, c, d, e or however many arrays there are.

So far, this is what I have, but I'm having trouble creating the arrays since it's unpredictable. I'm purposely not using vectors because I don't really get how pointers work so I'm trying to play around with it.

int* x;
int length, numbers;
cin >> length;
x = new int[length]
for (int i=0;i<length;i++)
{
cin >> numbers; //this doesn't work because it only grabs the first line for some reason
x[i] = numbers
}

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C/C++ :: Program That Calculate PI Based On User Input For Accuracy?

May 24, 2014

I am trying to create a program that will calculate pi based on a user input for accuracy. If the user input .3 then when the leibniz infinite sum value at a particular i becomes less then the input of .3 then the loop will exit.

I have looked at a number of examples on the internet but I feel lost. I have put together working code that will infinitely output sums but I need the loop to stop when the sum value is less then the accuracy value.

My question is what is wrong with my while loop, why will it only give me infinite summations? How do I make it so that the loop will exit when my accuracy input is greater then the sum?

int main () {
double accuracy;
cout<<"Give an accurate number." << flush;//looks nice
cin>>accuracy;
int d;//initialize denominator
double pi = 0.0;
while(accuracy < d){

[Code]...

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C++ :: Read User Input - Count And Display Vowels

Sep 26, 2012

I'm trying to code a program to read the user's input and have it:

-count vowels
-stop counting vowels after '.' or '?' (ie. abcdjwef is 1 a, 1 e; while fje.fwdfeiii is just 1 e)
-closes when ENTER is pressed after a '.' or '?' is found (ie. closes after 'abacds. ENTER' as well as 'as.fefsdf ENTER')
-display the number of vowels

Is there any way to do this with only 'cin >> userInput' and a while loop checking for punctuation?

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C++ :: Display All The Contents Of A File Excluding One Based On User Input

Mar 10, 2014

i want to display all the contents of a file excluding one based on user input say i have 4 records in the file numbered 1 to 4....the user chooses 2 to exclude it outputs records 1,3,4,4 when it should be records 1,3,4 what am i doing wrong here is the code.its basically displaying the last record in the file twice

void excludeRecord()
{
ifstream read;
read.open("Data.txt");
int recordC =0;
string fnameC = " ";
string lnameC = " ";

[Code]...

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C++ :: Generate A Report Based On Input Received From A Text File

Nov 5, 2014

Here is the assignment... Write a program to generate a report based on input received from a text file. Suppose the input text file student_status.txt contains the student’s name (lastName, firstName middleName), id, number of credits earned as follows :

Doe, John K.
3460 25
Andrews, Susan S.
3987 72
Monroe, Marylin
2298 87
Gaston, Arthur C.
2894 110

Generate the output in the following format :

John K. Doe 3460 25 Freshman
Susan S. Andrews 3987 40 Sophomore
Marylin Monroe 2298 87 Junior
Arthur C. Gaston 2894 110 Senior

The program must be written to use the enum class_level :

enum class_level {FRESHMAN, SOPHOMORE, JUNIOR, SENIOR } ;

and define two namespace globalTypes (tys and fys) for the function :

class_level deriveClassLevel(int num_of_credits) ;

The function deriveClassLevel should derive the class_level of the student based on the number of credits earned.

The first namespace globalType tys should derive the class level based on a two year school policy. And the second namespace globalType fys should derive the class level based on a four year school policy.

Four Year School Policy:
Freshman 0-29 creditsSophomore 30-59 credits
Junior 60-89 creditsSenior 90 or more credits

Two Year School Policy:
Freshman 0-29 creditsSophomore 30 or more credits

and this is the code I have so far...

#include <cstdlib>
#include <iostream>
#include <cctype>
#include <fstream>
using namespace std;
enum class_level {FRESHMAN, SOPHOMORE,JUNIOR,SENIOR};
class_level classLevel;

[Code] .....

My main question is did I use the namespaces and enum correctly? And my second question is whats the best way to input the data from the text file? This is really where I get stuck.

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C++ :: Generate A Report Based On Input Received From Text File

Nov 7, 2014

Write a program to generate a report based on input received from a text file. Suppose the input text file student_status.txt contains the student’s name (lastName, firstName middleName), id, number of credits earned as follows :

Doe, John K.
3460 25
Andrews, Susan S.
3987 72
Monroe, Marylin
2298 87
Gaston, Arthur C.
2894 110

Generate the output in the following format :

John K. Doe 3460 25 Freshman
Susan S. Andrews 3987 40 Sophomore
Marylin Monroe 2298 87 Junior
Arthur C. Gaston 2894 110 Senior

The program must be written to use the enum class_level :

enum class_level {FRESHMAN, SOPHOMORE, JUNIOR, SENIOR } ;

and define two namespace globalTypes (tys and fys) for the function :

class_level deriveClassLevel(int num_of_credits) ;

The function deriveClassLevel should derive the class_level of the student based on the number of credits earned.

The first namespace globalType tys should derive the class level based on a two year school policy.
The second namespace globalType fys should derive the class level based on a four year school policy.

So I basically did it in parts and got everything working and then had to make the namespace so I had this:

#include <iostream>
#include <fstream>
#include <string>
using namespace std;
enum class_level { FRESHMAN, SOPHOMORE, JUNIOR, SENIOR };

[Code] ......

I know I have to clean it up and change it but it ran like it was suppose to. Then I tried adding the global namespaces and I this:

#include <iostream>
#include <fstream>
#include <string>
using namespace std;
enum class_level { FRESHMAN, SOPHOMORE, JUNIOR, SENIOR };
class_level classLevel;

[Code] ....

with this i keep getting an error saying tys::deriveClassLevel: must return a value and tys::fys::deriveClassLevel: must return a value. I have been messing around with this part and struggling I thought I used the namespace to run the if statements with the criteria for the years of school. Basically I have been stuck for awhile and trying to change things around but I cant seem to get it to work.

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C/C++ :: Printing Square Pattern Of Asterisks Based On User Input

Dec 15, 2014

I have to make a program that displays a square of asterisks based on the users input. Here is what I have so far.

#include<iostream>
using namespace std;
int main(){
int number;
cout << "Enter a number: ";
cin >> number;
for (int i = 0; i < number; i++){

[Code] ....

But the square needs to be hollow like this. So if the user enters 5 then the following square will be shown.

*****
* *
* *
* *
*****

How to make it do this.

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C/C++ :: Create A Program That Prints A Certain Number Of Asterisks Based On User Input

Apr 12, 2015

I need to create a program that prints a certain number of asterisks based on user input. The user inputs 5 and I want my program to output "*****". How would I do this in C? I've tried printf("%#**", myvariable) but this does not work it only prints "*".

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C :: Count Lines In Input And Display Output In Terminal When Program Executed After Compilation

Feb 4, 2013

Code:

#include <stdio.h>
main() {
int c, n1;
n1 = 0;
while ((c = getchar()) != EOF)
if (c == '')
++n1;
printf("%d", n1);
}

I have a more complicated program I'm wishing to have display the output, however, to save some time I'm using an example of a shorter version. count the lines in input and display the output in terminal when ./program is executed after compilation. To count and compute lines, words and within arrays.

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C++ :: Generate Report Based On Input Received From Text File - User Defined Namespace

Nov 11, 2014

Write a program to generate a report based on input received from a text file. Suppose the input text file student_status.txt contains the student’s name (lastName, firstName middleName), id, number of credits earned as follows :

Doe, John K.
3460 25
Andrews, Susan S.
3987 72
Monroe, Marylin
2298 87
Gaston, Arthur C.
2894 110

Generate the output in the following format :

John K. Doe 3460 25 Freshman
Susan S. Andrews 3987 40 Sophomore
Marylin Monroe 2298 87 Junior
Arthur C. Gaston 2894 110 Senior

The program must be written to use the enum class_level :

enum class_level {FRESHMAN, SOPHOMORE, JUNIOR, SENIOR } ;

and define two namespace globalTypes (tys and fys) for the function :

class_level deriveClassLevel(int num_of_credits) ;

The function deriveClassLevel should derive the class_level of the student based on the number of credits earned.

The first namespace globalType tys should derive the class level based on a two year school policy.
and the second namespace globalType fys should derive the class level based on a four year school policy.

Four Year School Policy:
Freshman 0-29 creditsSophomore 30-59 credits
Junior 60-89 creditsSenior 90 or more credits

Two Year School Policy:
Freshman 0-29 creditsSophomore 30 or more credits

NOTE : use ignore() function with ifstream objects whenever you want to ignore the newline character.

For example :
ifstream transferSchoolFile ;
transferSchoolFile.open("student_status.txt", ios::in);

while( !transferSchoolFile.eof()) {
getline(transferSchoolFile,name) ;
transferSchoolFile >> id >> credits;
transferSchoolFile.ignore(); //Used here to ignore the newline character.
….
}

I did this in parts so I got it working with a four year criteria without the user defined name spaces.

include <iostream>
#include <fstream>
#include <string>

using namespace std;
enum class_level { FRESHMAN, SOPHOMORE, JUNIOR, SENIOR };

[Code] ....

So that worked fine then I tried with name spaces -

#include <iostream>
#include <fstream>
#include <string>
using namespace std;
enum class_level { FRESHMAN, SOPHOMORE, JUNIOR, SENIOR };
class_level classLevel;

[Code] ....

I know I have some stuff to mess around with but I am currently stuck with two errors, first -

Error1error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartupC:UsersstephenDocumentsVisual Studio 2013ProjectsinputConsoleApplication1MSVCRTD.lib(crtexe.obj)ConsoleApplication1

then -

Error2error LNK1120: 1 unresolved externalsC:UsersstephenDocumentsVisual Studio 2013ProjectsinputDebugConsoleApplication1.exeConsoleApplication1

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C/C++ :: Generate Report Based On Input Received From Text File - User Defined Namespace

Nov 11, 2014

Program Description: Write a program to generate a report based on input received from a text file. Suppose the input text file student_status.txt contains the student's name (lastName, firstName middleName), id, number of credits earned as follows :

Doe, John K.
3460 25
Andrews, Susan S.
3987 72
Monroe, Marylin
2298 87
Gaston, Arthur C.
2894 110

Generate the output in the following format :

John K. Doe 3460 25 Freshman
Susan S. Andrews 3987 40 Sophomore
Marylin Monroe 2298 87 Junior
Arthur C. Gaston 2894 110 Senior

The program must be written to use the enum class_level :

enum class_level {FRESHMAN, SOPHOMORE, JUNIOR, SENIOR } ;

and define two namespace globalTypes (tys and fys) for the function :

class_level deriveClassLevel(int num_of_credits) ;

The function deriveClassLevel should derive the class_level of the student based on the number of credits earned.

The first namespace globalType tys should derive the class level based on a two year school policy.
and the second namespace globalType fys should derive the class level based on a four year school policy.

Four Year School Policy:
Freshman 0-29 creditsSophomore 30-59 credits
Junior 60-89 creditsSenior 90 or more credits

Two Year School Policy:
Freshman 0-29 creditsSophomore 30 or more credits

NOTE : use ignore() function with ifstream objects whenever you want to ignore the newline character. For example :

ifstream transferSchoolFile ;
transferSchoolFile.open("student_status.txt", ios::in);
while( !transferSchoolFile.eof()) {
getline(transferSchoolFile,name) ;
transferSchoolFile >> id >> credits;

[Code] ....

I know I have some stuff to mess around with but I am currently stuck with two errors, first -

Error1error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartupC:UsersstephenDocumentsVisual Studio 2013ProjectsinputConsoleApplication1MSVCRTD.lib(crtexe.obj)ConsoleApplication1

then -

Error2error LNK1120: 1 unresolved externalsC:UsersstephenDocumentsVisual Studio 2013ProjectsinputDebugConsoleApplication1.exeConsoleApplication1

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C++ :: Using Array To Enter Number Of Users And Their Data?

Dec 10, 2014

I have a small program to calculate the value of salary. I want to user to be able to enter more than one user using array and finally calculates the average salary of all users.

Here is the code

Code:
#include <iostream>#include <conio.h>
using namespace std;
int main() {
const int months=3;
double net_pay;
string EmpName;

[Code].....

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C++ :: Structures - Keeping High Scores Of Users

Jun 1, 2013

Write a program that allows a user to enter high scores of a game, keeping tracking of the name of the user and the score. Add the ability to show the highest score for each user, all scores for a particular user, all scores from all users, and the list of users.

This is the program I am trying to write, however I am having difficulty storing the users name and high score, I know I need to store an array for the score but getting confused because of the structure. (By the way I have to use structures as it is a problem from the structures chapter of the ebook I am doing). Below is my code so far. .

Code:

#include <iostream>
#include <string>
using namespace std;
struct highScore
{
string user;
int score;
int highestScore;
int allScores;

[Code]...

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C++ :: How To Create Final Executable File That Can Upload For Users

Feb 16, 2013

I develop a software using QT 5 open source IDE. Now my question is two-fold:

1. How can I create the final executable file that I can upload for my users? I understand that runtime DLLs shall be required and I have tried Enigma Virtual Box software for bundling runtime files. It does create the file that I can execute from any folder in my PC. However, surprisingly when I transfer that "boxed" file to another PC, it does not run. Both the PCs have Windows 7 installed on them.

2. Secondly, I see possible future issues with Antivirus Softwares. Apparently when I try to run the boxed exe file, it gets rejected by the Antivirus Software on my PC. Is there a way in which I can get my exe file verified/checked/registered by the Antivirus Softwares so that my users don't face any problems in executing the program.

I cannot afford the QT commercial licence, but I am prepared to buy any economical "setup file generating" software (if it exists).

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