C++ :: Program For Determining Maximum Deflection On Beam
Oct 7, 2014
I am new at c++ and I am trying to write a code to determine the maximum deflection at the end of a cantilevered beam. I am given the formula : deflection= (4 W L^3)/(E B H^3) where W is the load weight, L is the beams length, E is the modulus of elasticity, B is the beams base, and H is the beams height.
// Included Header Files
#include <iostream>
#include <iomanip>
#include <cmath>
#include <string>
#include <fstream>
#include <cstdlib>
#include <cstdio>
[code]....
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Aug 5, 2014
user enter four number and the output will be the greatestt number among these
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Sep 24, 2014
I know that if the structure doesn't fit into the stack, it needs to be put onto the heap. But what is maximum size of a win32 stack in usual case?
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Mar 24, 2014
write a program in c to read a sequence of N integers and print the number that appears the maximum number of times in the sequence.
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Oct 22, 2013
determining if a value entered in loop is an odd or even number. Also, the value can't be int because it may be a decimal value(therefore i cant use the if(x%==0).
I need to replace the if(value%2 ==0) else num_even++ statement in my code with something else that will work with float to determine odd vs even.
#include <iostream>
using namespace std;
int main() {
int num_values;
float sum_values = 0;
int num_neg_values = 0;
int num_pos_values = 0;
[code]....
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Dec 9, 2013
I need function to determine where to place new element in sorted array. I want to use binary search to find index where element should be placed, when push all others.
Prototype should be something like
int WhereToPlaceElement(ElementType hash); // uses private atribute ElType** elements
I have tried my best to write, but all tries ended in inf loops and reading invalid locations of array.
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Dec 8, 2013
I am trying to extract the numbers from Numbers.txt, and then put them in the correct file, either Odd.txt or Even.txt, depending on what they are. And I have gotten to a point where I am not sure what to do; right now it just reads Numbers.txt and then the program ends.
#include <iostream>
#include <fstream>
#include <string>
[Code].....
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Oct 24, 2013
char A[]={}; this is the array in c++ of unknown size, now I want to enter some alphabets via loop and want to be the no. of elements i entered the size of the array. .
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Feb 16, 2015
i have to read a file with between 5 and 10 pairs of numbers, each on a different line. i can read the file, and wrote something to save the length of the file as a variable, but when i use it i start returning crazy data. the problem is in the do while loop and i want to change the i< in the for loop to "lines" so the code stops when the last digit is read. if i use i<10 the file has extra digits is the file is only 8 or 5 pairs of numbers.
FILE *Fpointout;
FILE *Fpointin = fopen ("test.txt","r"); //read this one
Fpointout = fopen ("out.txt","w"); //write this one
if (Fpointin == NULL) //if no file in source {
printf ("File does not exist."); //tell user it is not there
[Code] .....
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Oct 17, 2014
I have to make a program to read a file with strings and determine if they are palindromes. The problem is that the program says that they're all palindromes.
int main() {
ifstream inFile;
ofstream outFile;
inFile.open("in.data");
outFile.open("out.data");
if (!inFile || !outFile) //to display error if input files are invalid
[code]....
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Oct 13, 2014
I am trying to write a function that determine if a file in a directory is of a gif/bmp/png/jpg extension. Right now I think I have correctly written my code all the way up to listing the files in the directory and opening them in binary mode.
Now, I am struggling with figuring out how to determine what extension the image is. Right now i am just focusing on writing my "bool isGif();" function... To determine if a file is a .gif extension using binary, the first 6 bytes of the file will contain either GIF87a or GIF89a.So, to do this I would read the first six bytes of the file using the function below, correct?
fin.read((char *) &a_file, 6)
Then, once I read in the first six bytes how would I conditionally compare it to determine if it is a .gif? Would I just use
if(fin == "GIF87a II GIF89a) {
\do something here
}
Because that doesn't seem to be working...
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Sep 20, 2013
I have this code that determines the amount of people that can fit on some trains in different train combination scenarios. Here is the code:
#include<stdio.h>
#include<stdlib.h>
int main(void) {
int total_track, max_train_length, num_people, num_trains, tl;
printf("What is the total length of track, in feet?
[Code] ....
I need to now "pick the winner," or the highest value for num_people computed. How would I go about this and why?
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Jul 26, 2014
Suppose that a map is defined thus: map<sttring, int> mymap;
I wanna find k maximum values. Is there a way to find the maximum value in an efficient manner? Or else, How can I sort them and then find the k first elements?
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May 23, 2013
Is there a maximum capacity for stdin ?
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Mar 12, 2014
I got a code written in Java. But, I gave up writing code in Java. The program written is supposed to find the maximum subsequence sum. It's originally like this.
Code:
private static int maxSumRec (int [] a, int left, int right)
{
if(left == right)
if(a[left > 0])
return arr[left];
[Code] .....
I turned it into C, add some elements (to generate random numbers and change some variables' names), and becomes like this
Code:
int maxSumRec (val, left, right)
{
int x;
long int arr[val];
srand ( time(NULL) );
for(x=0; x<val; x++)
[Code] .....
It fails to compile. What have I done wrong? And I keep wondering why in the original code there is left and right variables and their values are never assigned. My c compiler (I use codeblocks) keeps telling me that. Idk why. My friend who keeps it in Java says it is fine but he cannot explain how his program works. What *is* left and right actually?
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Jan 4, 2015
I wrote a program to find the minimum and the maximum values from a vector. It works fine. What I'm trying to do is show the positions of said values and it's not working quite right. When I insert 4 elements: 2 0 1 3 it says:
"The min and max are 0 and 3
The position of the min is: 01
The position of the max is: 03"
What am I doing wrong? Here is the code:
Code:
#include <stdio.h>
#include <conio.h>
int main() {
int A[10], i, j, n, min, max, C[10], k=0, D[10], l=0;
printf("Insert no. of elements in vector A
[code]....
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Oct 29, 2014
Any way to determine the highest value of an array I created with random numbers. I am confused because the array needs to be initialized in the main, but populated in a function. I was able to populate it using a pointer variable and my results came out good for the initial array values and elements.
In order to figure out the max, I think I would need the results of the populated array. How do I do this when the populated array is stored in a pointer variable? Would I need to create a pointer to the first pointer I created? I tried creating another pointer to the initial array and printing that, but my results were not good.
Code:
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
[Code].....
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Sep 10, 2013
I am working on a couple C++ projectsfor my class. On one of my projects I get this error "identifier not found" for maximumValue. here is the code that I have done. I have got almost all the code from my text book..
// Three numbers.cpp : Defines the entry point for the console application.//
#include "stdafx.h"
#include <iostream>
using namespace std;
int main() {
// demonstrate maximum int value
int int1, int2, int3;
[Code] .....
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Dec 9, 2013
I have a vector of vectors declared as:
vector<vector<int>> v;
My program works fine with a small number of insertions to v. However, with a huge number of insertions my program stops working without telling me the reason... I guess that vectors might not grow after a certain size (im not sure)
1. What is the maximum size that a vector of vectors can grow?
2. I'm using Microsoft visual studio 2012, Is their anything I can do with the settings to increase the size of my vector? something beyond 1000000 rows?
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Nov 12, 2014
This is part of my main code that is giving me compiler issues.
//Find max value
max = max_element(vecTemperature.begin(), vecTemperature.end());
I keep getting an error saying "[Error] cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment"
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May 8, 2014
What is the syntax to find the maximum of a function over the interval a≤x≤b starting at a with a step size of Δx ?
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Oct 29, 2014
A function finds approximate maximum or minimum point of a second degree polynomial function (the point where the derivation will equal to zero ). The input polynomial function will be in the following format:
x2 + bx + c = 0 .
Your C function should take a , b and c as input parameters. Your C function also should take the srch_starting_point and stp_sze from the user. Finally, print the resulting maximum or minimum point (m_x, m_y) and step count (n_step) in your function.
For example, if the input is (a, b, c, srch_starting_point, stp_sze );
1 1 1 -3 1
Output similar to;
Maximum point results ( m_x, m_y, n_step )
-1 1 2
i can find the minimum point at first(Using derivation). After choosing starting point, staating point gets lower step size by step size. I can compare numbers to the minimum number. Afterwards, to find m_y i put m_x in the function. Finally, I put a counter to count steps.
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Feb 5, 2014
My program enters the size of the vector from the user and then creates a vector of vectors (lets say SIZE1). In addition the user enters the number of vector of vectors he needs (lets say SIZE2) as follows:
class Vectors {
// member functions goes here
private
vector<vector<int>> vectors;
vector<int>::iterator it;
[Code] .....
With a few calculations and insertions to my vector (vector of vectors)... the program works fine and gives me the results...
However, with huge calculations and insertions the program stops working and gives me this message
"Unhandled exception at at 0x770DC41F in Test.exe: Microsoft C++ exception:std:bad_alloc at memory location 0x001CEADC"
Thus, it seems that the vector reached it's maximum size... I tried to use reserve() but did not work
I read that "By default, when you run a 64-bit managed application on a 64-bit Windows operating system, you can create an object of no more than 2 gigabytes (GB). However, in the .NET Framework 4.5, you can increase this limit"
What do you think would be the best option for me to do (note my program is very long and complex)(I'm currently using Microsoft Visual Studio 2012 32Win application):
1. convert my program to the .NET Framework (C++)
2. convert my program to C# in case c#
3. do any settings on my computer (my workstation has a 3.6GHZ xion processor with 32RAM
4. convert to another version of C++ that does not have any restriction on the size of the array (if available)
Please note that I never worked neither with the .NET framework nor C#
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Oct 17, 2014
The problem says that i have a number n > 0 and the program should determinate the number between 2 and N who has the maximum divisor sum (1 and N wont count as divisor). If i have more numbers with maximum divisor sum, should wrote only first number. Exemple: for N = 100 , will show 96 bcoz he has the maximum divisor sum, which is 155. For the start i tried to show only the maximum divisor sum, not the number who has the maximum divisor sum with this code:
#include<stdio.h>
int main() {
int n,s=0,i,m;
printf("Please introduce the number N > 0:");
scanf("%d", &n);
i = 2;
[Code] .....
And it shows me 116, but the correct results is 155. Which is the problem ?
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Jan 25, 2014
I'm new to C++ and I'm trying to solve the question but there is just something wrong somewhere.
#include <iostream>
using namespace std;
int main() {
int largest;
int a;
int b;
int c;
cout<< "Enter first value";
[Code] ....
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Apr 21, 2013
I use Visual C++ to write a native C++ application. How to know the maximum memory it will use during its execution?
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