General C++ Programming - September 2016 (Page 3)

by closed account 30D23TCk
Can someone please tell me what i am doing wrong. It will run but when it does they all say incorrect and 0%.
 
I have to write a program helps your instructor grade quizzes. The program will read a file containing a single student’s answers to a recently given quiz. It...
[1 reply] : @detroit31312 Nowhere do I see you actually opening the file. You're ... (by whitenite1)
by opal1302
Help please
 
I honestly don't know how to code this. If/else, Do/while, while or for loop is hard for me to understand.. :/ Here are the following requirements for Proj...
[3 replies] Last: A comment is any line in the program starting with // or, multiple lin... (by closed account 48T7M4Gy)
by lFoxiel
Simple c program help?
 
1) Clunker Motors Inc. is recalling all vehicles from model years 1995-1998 and 2004-2006. An int variable named norecall has been declared . Given another int ...
[1 reply] : What help do you need? BTW, Q1 talks about norecall, but your code sn... (by doug4)
by bozmin
private vector
 
I keep trying to pass a private vector from a class to an other, but still doesn't work even as a Friend class. How can i do
[5 replies] Last: but i am having a crazy time trying to use it on a vector of class s... (by AbstractionAnon)
by PacR
Get time in milliseconds and check how much time has passed.
 
Here is my code: #include <iostream> #include <time.h> int main() { time_t time0; // create timers. time_t time1; time(&time0); //...
[11 replies] Last: Thank you for all of your help. From what i can see it looks like chr... (by PacR)
by Patrick Sharma
implepmention of pointer member in class
 
hi all so iam doing a assignment involving classes and kind of got stuck at the part where i have to implement this line of code: void setEmployee(string,Pe...
[1 reply] : class Employee { private: std::string address; Pe... (by JLBorges)
by Janbananberg
Linked list and classes question
 
Hello!. I followed a guide on youtube and made a linked list, but i don't really know how to make it more "c++ish", with classes and such. http://hastebin.c...
[4 replies] Last: Thanks alot coder777! :) will try it! (by Janbananberg)
by bozmin
impossible to access the private vector.
 
I am practicing a little bit in c++; but got some issues concerning private vectors. I keep getting error message saying that "It is a private member" && no me...
[7 replies] Last: Just change a few lines of code: public: Country(string name... (by coder777)
by valentine101
switch statement
 
hey guys i sort of need help on how one can use the switch statement in a case like below where the code is given in else if conditional structure.. int x; ...
[3 replies] Last: thank you, boost lexical cast and krako (by valentine101)
by lFoxiel
Do/While literation statement help- c programming
 
1) Given an int variable n that has already been declared and initialized to a positive value , and another int variable j that has already been declared , use ...
[4 replies] Last: Hi @all for 1) first attempt is ok, U can add : printf("\n"); aft... (by CptJY)
by Guy1988
Reading numbers from a file (1,2)
 
Hi. I'm completely new to programming and I have a question about a program I have to write. I need to read some numbers from a file and display the sum of ...
[23 replies] Last: Oh, right. Duh. I had initialized them in the beginning and I don't kn... (by Guy1988)
by LullaBelle
Am I missing something in my while loop?
 
I'll give the instructions first: Write a C++ program that has a while-loop to loop indefinitely until an input of a value of -999 (a sentinel value). Hence, p...
[11 replies] Last: @LullaBelle You always start a new thread IF you are referring to a d... (by whitenite1)
by closed account 9ECjNwbp
Index
 
am working on project that i Need to change index in string but without using replace any suggestion?
[6 replies] Last: array =new I got it Thank U (by closed account 9ECjNwbp)
by jtkelty
Trapezoidal Rule in C
 
Looking for some help with my code. I'm new to learning c and either my arrays or my loop is not computing properly. This is a trapezoidal rule program and my c...
[6 replies] Last: There are multiple ways to calculate it. I tried a program with that e... (by jtkelty)
by G G G Babe
Finding Center point of a polygon using triangles' center
 
I created a program that finds the center point of triangles but when I use it on things other than just a triangle the outputs are wrong. class Polygon { ...
[1 reply] : Could you explain which center you are trying to compute? (There seems... (by keskiverto)
by Asingh105
applying a rule in c++
 
The payments will start in the amount of 1 dollar. Rule A - Double the installment amount. Rule B - Triple the installment amount. You are free to apply Rule ...
[3 replies] Last: You are declaring payment inside the loop, so every time you go throug... (by doug4)
by Faz777
Searching 2D Vector
 
I stored strings, from an array of strings, in a 2D vector of string... Each string in the array represents a line of comma-separated elements (strings or integ...
[no replies]
by ajayk
Merging of sorted doubly linked list
 
why this code giving me an error! #include<iostream> #include<assert.h> using namespace std; class node { public: node* create(int n); void Insert(node** he...
[5 replies] Last: Maybe you need insert both of your nodes if both data values are equal... (by nuderobmonkey)
by Tarbal
Precision and rounding errors
 
I wrote some code that will fit data from an ascii file to a polynomial. Ultimately, I will add regression (I've begun, and it is commented out in the below cod...
[1 reply] : Using a library called Eigen seemed to do the trick. Here is the code ... (by Tarbal)
by hamzams25
Issue with printing code. Constant prints extra times
 
I'm doing this assignment for my class. I have gotten the program to ork but I am having an issue. When the program prints itself. It prints the information th...
[1 reply] : MAX_STUDENT is the maximum capacity of the array. What you need is a... (by coder777)
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