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Beginners - April 2010 (Page 28)

I would like to remove certain characters from a char. lets say the char is "abcd" how could i remove the b character and make the char equal to "acd".

[11 replies] Last: I know it's helpful, but it's still abstraction. But a C++ string is ... (by chrisname)

by baphomet90

program wont solve

I can ask the user how much he will pay but the program wont solve it. change=cash-total(items bought) #include <iostream> #include <iomanip> #includ...

[19 replies] Last: I would recommend using cout.fill() instead of cout << "-=-=-=-"; (by superusr)

by TunaPete

Sorting indices of a matrix with qsort

I have a matrix, A, and I want to sort the row indices by the second col, but I don't want to change A. I created an array to keep track of the indices and was ...

[3 replies] Last: You're welcome. Beware that I just typed that in. Some revision mig... (by Duthomhas)

by jinjin12

how to access and individual item from a stack?

i want to get the item just before the last item in a stack. is it possible, and if so how? i've tried it myself by doing: stack <int> S; ///push stuff ...

[2 replies] Last: You can pop until the position you want to check and then push everyth... (by Bazzy)

by rapduty

Need program that uses Pointers for Int, double & Char

Coding that I have so far works great, with the exception that when I have to increment the pointer int gives me like an error negative Here is what I got so...

[3 replies] Last: *(++ip) means that ip will point at a different adress that u have not... (by TunaPete)

by TunaPete

Using header files for functions (a question of style)

I have a bunch of different functions that takes a few hundred rows each, so I like to have them in different files. If I understand correctly it's bad style to...

[4 replies] Last: Thanks a lot! interesting to see some real code :). The functions are ... (by TunaPete)

by rijia

Decrypting stream cipher in a simple program.

Hello! I'm trying/testing some stream cipher where, the key changes every time when it goes to the end of it, and then uses the new key again for the next decry...

[4 replies] Last: I should get lostpedia as the decrypted text, instead of that i get ... (by rijia)

by ajbrumbles

Printing to the screen.

This code is supposed to find all of the perfect numbers up to 100,000. I can get it to compile but I can't get anyhting to print to the screen. #include <io...

[1 reply] : First: please put the code in code tags, it makes it much more readabl... (by closed account jwC5fSEw)

by Pugnap00

adjacency matrix row loop

Hey everyone i was wondering if i could help me out. Im trying to count the weight in each row of this adjacency matrix, but i cannot figure out a way to add up...

[1 reply] : Never mind i figured it out, i feel so air headed. void WtGraph:: ... (by Pugnap00)

by mbrinkley

Something is wrong with my loop....

I have been given an assignment to code a program that will calculate student's average's and overall average's. I am copying and pasting the word-for-word tea...

[2 replies] Last: I'm sorry. I just tried that and it asks for a student name, then for... (by mbrinkley)

by radikll

Odd errors - linked list headache

Hey, It's me again. I'm having some trouble with this program. I'm not sure why I'm getting errors. It all looks correct to me. /***************************...

[6 replies] Last: Thanks, I was looking at an example while doing this. I thought in.get... (by radikll)

by Snooze

Completely Stuck (1,2,3)

I have to create a program that accepts a mixed number from the user (6 digits past the decimal min) in the main () function, and passes the mixed number to two...

[41 replies] Last: Thanks :] Got it working now. (by Snooze)

by uiberto

problem adding objects to std::vector

Hi, I'm trying to add an object to a std::vector. I searched the web and this site and it looks like it shouldn't be a problem. My code runs fine right up un...

[4 replies] Last: Howdy, I botched this one. I went ahead and rewrote it as a simp... (by uiberto)

by stavros

Conceptual explanation of: double (*p)[3][4] = new double [2][3][4]

What does double (*p) = new double mean in english? How do I access individual elements of p?

[9 replies] Last: THANK YOU! (by stavros)

by gregarion

Problem with reading input.

Hey guys. i am trying to write a program which will read input from a text file, check if each line contains any alphabets and then display a message imforming ...

[2 replies] Last: Consider switching the order of the statement as a general practice. I... (by kempofighter)

by Somarl

Problems with sort() (1,2)

Hi, i am still trying to do the pancake glutton problem which is really got me stumped now (making me feel like im not cut out for this lark tbh as ive been try...

[30 replies] Last: Somarl, in the original example you created a vector of 9 elements but... (by kempofighter)

by freedomispopular

Find lowest index in array

For my C++ class we have to make a program that generates 5000 random numbers between 1 and 53, then outputs each number and how many times it was generated.The...

[4 replies] Last: A better way would be to #define constants, or use iterators when goi... (by kempofighter)

by kevin06s

Console Application Beta Testing

I am having a console application tested for bugs by a friend. What are some of the things to watch out for? I am not talking about skipping an input when the u...

[1 reply] : The ctrl-c command is notorious for closing console applications. /jo... (by tummychow)

by killingthemonkey

if-else if, What am I doing wrong here?

This should be one of the easiest things I do. I look at other people's code, and everything looks like it should be right. It just will not work. My code: ...

[7 replies] Last: I'm going to go back and add in the logic for greater than 100 and les... (by killingthemonkey)

by General

program .. determine if the year is leap or not

hi Problem : ---------------------------------------------------------------------------- write a program that reads a year and determin and print whtether...

[7 replies] Last: #include <iostream> using namespace std; int main () { int year; ... (by Pmishra)

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