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Beginners - March 2019 (Page 21)

Im trying to write a program to count number of words in a sentence. But whatever I input I always get the answer as 1. #include<iostream.h> #include<conio...

[1 reply] : The first thing to do is upgrade your compiler. > #include<iostream.h... (by salem c)

by MatiasMunk

condition check is not working out as intended, why?

I'm making a small networked game, still learning networking so I might be missing out on something. I am using Visual Studio Community 2017. I am using Allegro...

[6 replies] Last: Thanks , I had been up all night and did never take into account that ... (by MatiasMunk)

by siavash82ir

error: ld returned 1 exit status

When ever I try to run my program I get an error saying ld returned 1 exit status and I can't figure out why. I have checked all spelling and type of variables ...

[1 reply] : void report(string name , string letter , int id , int grade , int o... (by lastchance)

by miketheknight2016

Errors on OSX

I am on OSX and running Netbeans as my IDE when I build my code I get this error Undefined symbols for architecture x86_64: "_CFArrayGetValueAtIndex",...

[6 replies] Last: I appreciate the help. I think I have narrowed it down to my specific... (by miketheknight2016)

by navilgameboy

how to make a program run in the background on chrome os?

i'v writed a keylogger for some fun and for beginning purposes.. to make it work totally i have to make the program run in the background ;P help? its on chr...

[no replies]

by surfersss

why this test cases wont automatically finish

i input test cases 5 5 ->5 is the aim node, 5 is edges 1 2 ->edges 2 3 ->Edges 3 4 ->Edges 2 5 ->Edges 4 5 ->Edges i want to find shortest path to the aim node...

[1 reply] : i need to input enter at last iteration why? Actually your code does... (by Enoizat)

by closed account 4wpL6Up4

file

Hi, I am trying to write a program where the user inputs strings (name, last name, phone number), and save these data into a notepad. The user should be able...

[6 replies] Last: Hello nypran, This may help: char cont{}; do { // lines 20 - 34 ... (by Handy Andy)

by usmannazir

File save with iteration number

Dear Friends I want to save file with iteration number. What changes i have to do ? fopen_s(&fp4, "v velocity.plt", "w"); Thanks in Advance...

[1 reply] : char filename ; snprintf(filename,sizeof(filename),"%d velocity.plt"... (by salem c)

by MikeStgt

Is there a way to make this faster?

I migrated following from REXX. As I am new to C++ my question is, if there is a chance to speed it up? /* Sieve of Sundaram */ #include <iostream> /* c...

[2 replies] Last: Just replacing array by vector results in a runtime reduction from 1.8... (by MikeStgt)

by nowy20180820

Convex Hull Jarvis march and Graham scan

https://ideone.com/mK1Xj7 //I tried to place code in tags but it was too long Can I get the same efect without allocating memory for another linked list ? ...

[2 replies] Last: What I want ? Linked List which I have does not have functions for S... (by nowy20180820)

by Kreons

Unknown LNK2019 error

I keep getting these error messages "error LNK2019: unresolved external symbol "public: __cdecl ReadFile::ReadFile(void)" (??0ReadFile@@QEAA@XZ) referenced in f...

[2 replies] Last: ok problem solved. I forgot to take out the constructor. Thanks, ne555... (by Kreons)

by surfersss

stuck in test case

i would like to know , what is wrong with my code below i input test case: 2 3 2 1 2 2 3 4 4 1 2 2 3 3 4 4 2 and it stuck in last iteration in scanf. why this...

[2 replies] Last: > scanf("%d %d\n", &awal, &akhir); /*stuck here in last iteration */ Y... (by salem c)

by miketheknight2016

Call Int32 Function From Main

I am learning C++ and I want to run a method, it doesn't have a return type or need any params passed to it. It just "does the work" from my main method. The ...

[2 replies] Last: You can call the function just as you did in line 3, unless you need t... (by closed account E0p9LyTq)

by Angela1998

Heyyy beautiful people! I have a question to ask :) Okay so I have 2 projects in my solution. In 1 of the projects, I have a header file which includes an ext...

[3 replies] Last: Hey guys, thanks for the feedback. Project B does perform window I/O... (by Angela1998)

by MikeStgt

Solved: init bool array

In the 'Prime' thread was a question about initializing an array of type bool, see http://www.cplusplus.com/forum/beginner/250568/#msg1103476 The tutorials (...

[4 replies] Last: Thank you. (by MikeStgt)

by closed account Ezyq4iN6

When should I break up math equations or pre-calculate values, especially when concerning loops? (1,2)

I know that functions are used to eliminate repeated code, but I figured that a similar concept would probably help math equations in loops. My professor mentio...

[26 replies] Last: Yer welcome! But the point was: Using Abstractions Makes Life Easy. (by Duthomhas)

by freenba2002

Help explaining the code please

Hey guys this is the problem I have to solve and explain, can you please help me out a little with it? "Write a C++ program that accepts n different numbers (0...

[1 reply] : Have you learned about recursion? This can be solved pretty easily th... (by dhayden)

by yakruski

Does this program work, or is it my compilier?

Hello everyone, new guy on the forum here. I've looked all over youtube and google as well, but I cannot seem to find what is going on with my program. Essentia...

[5 replies] Last: For about US$12 you can buy yourself a USB stick with a fairly large c... (by Duthomhas)

by dbarclay100

Calculate the average

How would I calculate the average of the numbers from the input file. I would like to put the average right after the last number of each class. Also each test ...

[2 replies] Last: So, you have a list of five test weights: { 10, 15, 20, 25, ... (by Duthomhas)

by dbarclay100

Creating a running total from input file

I'm trying to create a running total that can calculate the weighted average of the numbers in each course. It will add up all the test than divide by the total...

[3 replies] Last: I will respond in your other thread. (by Duthomhas)

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