C/C++ :: Printing Struct Array After Inputting Information?
Aug 28, 2014
I am doing a data structures program on C++ that is suposse to consist of declaring an array of size five for my credit card structure, that allows the user to input information of five diferent credit cards. I am having a problem with my program, because it runs but after I input the information of the credit card, it does not print out the values that I had input.I dont know where I went wrong with the code or if it is that my approach to solving it is wrong. My code is the following:
#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
struct TarjetaCredito
[code].....
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Jan 12, 2014
I want to take the informaition from this file and save it into a struct the file conteins name age year (in char) and a grade it is somthing like this
file
Nikos Tolis 19 A 8
Iwanna Nikolaou 20 B 9
Kwstas Doukas 20 Β 6
Georgios Pappas 19 A 7
Iwannis Lekatis 20 Β 7
Nikos Ntoumas 19 A 5
Maria Oikonomou 20 B 6
Kwstas Argyrou 19 A 10
Irw Ntouma 20 B 8
Leuteris Doukas 19 A 6
I want to read till i found the '32' the space in ascii here is my code so far
Code:
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
struct students
{
char *name;
int age;
[Code] ....
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Apr 19, 2014
So I have a two-dimensional array named temperatures[7][2] and I am trying to promt the user to input the highest temperatures for a 7 day period in the first column and the lowest temperatures in the second column. So far all I am getting when I test my code is the temperatures in the second column.
/*Intermediate23.cpp - This program inputs the highest and lowest temps. for seven days. It then displays the average high and low temps. and also diplays the highest temp. that's stored in the first column of the array and displays the lowest temp. stored in the second column of the array.*/
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
//Declare array and variable
int temperatures[7][2] = {0};
int avg = 0;
int totalTemp = 0;
[Code] ....
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Jan 3, 2015
I am trying to save 5 persons names to a struct, and then printing them afterwards, shortly before the program ends. I tried to print the char string out right after it has been copied over, and it showed fine, but when i try to write it out right at the end of the program (its in a separate function) the terminal just prints gibberish.
the function looks like this:
Code:
int printUser(){
printf("Following patients have been recorded in this session:
");
struct database patient1;
struct database patient2;
struct database patient3;
[Code]...
the output looks like this(as you can se in under structest, that it shows the correct string, it also uses printf):
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Apr 4, 2014
Perhaps my original wording on this was confusing so I will ask a different way.
if I have a text file called
data.txt
and it has the following in it.
12345
67890
12345
67890
how would i read this information into an array called
int data[4][5]
This is in C.
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Nov 5, 2013
I have been dealing with this problem for quite some time, I've been assigned to develop a program that can store products' information within structures (the number of products is undefined). I thought I should use an array of structures, but I don't know how to declare it properly. This is what I thought would work:
struct product {
string name;
string in_stock;
float sale_cost;
int id; }
prod [n]; //n being the undefined number of products the user will register/delete/modify
I already saw an example of array of structures, but it uses a defined number.
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Mar 26, 2013
So I'm trying to make an employee list that holds the information so I can then delete or add from that array. I'm getting some errors regarding overloading function.
#include "employeelist.h"
const Employee & employeelist::operator [](int index) const {
return ( (this->Employees)[index] );
} Employee & employeelist::operator [](int index) {
return ( (this->Employees)[index] );
[Code] .....
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Mar 10, 2015
I'm trying to read the data from a file i/o and put them into an array of structs. But when I run the program, it gives me a bunch of "garbage" as an output. my code and see
#include<stdio.h>
#include <stdlib.h>
#include<string.h>
[Code].....
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Feb 25, 2013
I am having some trouble on understanding how to create a dynamically allocated array and then inputting some information in to it from a text file.
Example text file:
John Doe saving 135246978 300 0
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Apr 7, 2013
Is it possible to prompt information from user then display the result in a one dimensional array form? If yes, how should i link them together?
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Aug 15, 2013
Code to accept the information of 5 students and display the information of first 3 students......
Code:
#include<stdio.h>
main() {
struct stud {
char name[20];
int rollno;
float per;
char grade;
[Code] ....
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Mar 2, 2014
it skips the input phase,, instead of inputting the last name it goes directly to the firstname then middle initail and street name are working fine but it skips the street name then goes to city and so on....
Code:
char l[50], f[50], m;char strtname[50], cty[50], cntry[50];
int strtnum, zp, i;
system("cls");
printf("Enter Last name:");
gets(l);
printf("
Enter First name:");
}
[code]....
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Mar 27, 2013
I have to write this program that is to store the name, address, id number, etc of a student. The data is supposed to be brought in through main and there will be multiple students. I'm not sure what commands I should use to bring it in.
EDIT: This will make more sense. In the .txt file the info will be written like
Name
Last name
Address
etc.
I need to input that and use that for the appropriate number of students.
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Mar 18, 2013
how to use EOF to terminate inputting data
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Nov 18, 2014
I have to create a program that incorporates an array of structures in order to simply read input from the user and then reprint that information to the screen. This is a fairly simple problem, but the issue is that the professor requires that we solve it in a very specific way.
I must have three functions in total: one to receive input from the user, one to print the received values, and of course the main function which calls the other two. Also, the input and output functions must be defined using the following prototypes:
void inputData(Component C1);
void printData(Component *C1);
Where Component is a structure defined above as:
typedef struct// Component {
float cost;
int code;
char name[30];
[Code] ....
I know that this problem could be easily solved by simply passing the entire 'comp' array to the inputData function, or passing a pointer to it, or having it return a pointer, but I am not allowed to do any of these things. I must use the function as defined by the prototype.
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May 28, 2013
I wrote this simplified version of a program i am writing that parses data in UDP packets. In the process of doing so i pretty much answered all my questions and fix all the problems i was having.
decodeSystemMap function will be in loop, and will proccess packets that have mostly the same data, only a few items will be added or changed or deleted.
whats the best way to check if there are any new, deleted, or removed items in the packet and only modify those?
Is there anything unsafe / dangrous about the way the code is now?
Code:
/* * File: main.c
* Author: david
*
* Created on May 23, 2013, 11:57 AM
*/
#include <stdio.h>
#include <stdlib.h>
[Code] ....
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Mar 15, 2014
We're working on classes in my programming class, and I have a question about function calls.
Bascially, I have all my set and get functions set up and ready to go.
I was wondering if it was possible to have the user input a variable while calling a function.
for example
cin >> getname();
the user inputs a value that gets passed into getname.
Or does it have to be something like
cin >> name;
getname(name);
mind you all, this isn't code from my program i'm just spitballing here.
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Feb 7, 2014
My assignment : "Input the answer as the words true or false and put the user's answer in a boolean alphabetic variable."
My code:
bool T;
cout << "Type 'true' for lowercase or 'false' for uppercase";
cin >> T;
if (T == "true") {
cout << "Enter a whole number in decimal base: ";
cin >> dec;
cout.setf(ios::showbase);
cout << "Decimal " << dec << " to Hexadecimal with lowercase: " << setbase(16) << dec;
}
I'm not sure how to get 'true' as user-input as true for bool.
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Nov 21, 2013
I have an array, ary[size+1] and the original values entered and then another value, x, entered. I found the index of x that makes the array nondecreasing order
Code:
void InsertX (int ary[], int size, int x)
{
int i=0;
int j;
int index;
while(ary[i]<x)
[Code]...
But i can't figure out how to print the new array with x in it, using its index
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May 8, 2013
how to print a box using 2d arrrays. i have to create a tetris game which a im stuck at this stage... so far i have tired i can only come out with this..my coding done so far is as follows:
Code:
#include <stdio.h>
#define ROW 15
#define COLUMN 15
void disp_box (char b[ROW][COLUMN])
}
[code]....
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Aug 1, 2013
How would I go about inputting data from multiple lines using scanf?
So far I have tried a loop and somehow checking for '' but can't seem to figure it out..
E.g I want to be able to scanf the ints below line by line and print them( if that makes sense) .
5 15 20 30 5 6
5 6 8 20 34
5 6 7
5 2
2 6 7 2 1 6
This is what i've tried so far, but am really lost!
Code:
int input;
while(scanf("%d", &input)){
printf("%d",input);
if(input == '
'){
continue;}}
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Mar 27, 2013
Whenever the code reaches:
matrix[atoi(tmp[1].c_str())][atoi(tmp[2].c_str())] = strtod(tmp[3].c_str(), NULL);
The app just blocks. Could it be due to a lack of RAM (since its inside a massive loop and I'm currently using an old-ass pc with 1GB RAM) or is it bad programming? If I remove that line everything runs smoothly.
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Oct 25, 2013
I want to make a program that asks the user for a message and then print out a large graphic of that message. For example, if the user types "he" I want to print out
H..................H EEEEEEEEE
H..................H E
H..................H E
H..................H E
HHHHHHHHHH EEEEEEEEE
H..................H E
H..................H E
H..................H E
H..................H EEEEEEEEE
(treat the periods as spaces. I only put them there because it wouldn't separate the H's correctly.)
I will loop this to continue until the user types quit.
1. How would I set this up to store the user input characters into an array?
2. How would I print out the stored data in the shape of the word?
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Nov 4, 2013
I am trying to print out prime from array. I have viewed other sources that are similar and tried to use as reference, but only to confuse myself. This is what i have so far.
void get_output(int&Max,int array[]) {
//array[i]-i;
for(i=1;i<=10;i++) // allow 10 outputs on a line. {
for(int i=0;i<Max;i++) {
prime=true;
[Code] ......
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Feb 18, 2014
I am writing a code with C where I will give an integer and get the binary conversion of it.I tried to fill the binary digits into an integer array.But when I normally print it will give the proper output.But when I try to print the contents of the array it will not produce the proper result.
My code would be as follows.
#include <stdio.h>
#include <conio.h>
int main()
[Code]....
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Apr 10, 2015
I have a program where I need to read in a 96 number .txt file and perform some operations on it.However, the numbers it reads in are all inncorrect. I got it to work in XCode, but it doesnt work in DevC++ which is where the teacher will be running it. Do I have any major error?
#include <stdio.h>
#include <stdlib.h>
#define rows 8
#define cols 12
void makeArray(FILE*,int[][cols]);
int getScore(int[rows][cols],int,int);
[Code]......
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