C++ :: Search User Input Number In Array Filled With Random Numbers

Nov 6, 2014

I need to create A program That makes a 12x10 Array Grid Filled With Random Numbers From 0-99.

Then I need To Allow The User To Input A Number Between 0-99 And Then The program will then search through the array and count how many of the users number there is inside the array.

Code:

#include <iostream>
using namespace std;
int main() {
int input;
int number;
int row=0;
int col=0;
int Array [12][10];

[Code] ....

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C/C++ :: Find Smallest Number In Array Filled With Random Numbers

Oct 24, 2014

I need to find the smallest number in my 10x8 arraygrid with random numebr filled in it

Here my Code:

#include <iostream>
using namespace std;
int main() {
int total,average,smallest;
int row=0;
int col=0;

[Code] ....

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C++ :: Generate Random Number Between Two Numbers (User Input)

Jul 26, 2014

I am trying to generate a random number between two numbers that the user gives me.

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
void rand_int(const int &min, const int &max, int &val);

[Code] .....

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C++ :: Array Filled With Prime Numbers

Nov 25, 2012

I need to write a function with an array parameter and an int parameter.

That array has to be filled with first 10 prime numbers that are exact or higher than the int parameter... and then i need an average value of those 10 prime numbers...

The problem is im not really sure how i should do the part to fill the array with prime numbers that are higher than that int?? So any code samples that does that would be really nice... (the average part shouldnt do much problems i think, so i only need for that array fill...)

Code:
int avgprimearray (int higharray[], int somenumber){
}

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C++ :: Search In A Vector Array From User Input String?

Sep 30, 2013

How would you search in a vector array from a user input string?

ex: user input : "Hello"

output: search vector array and find the line that has the string "Hello" and output the array "Hello" is on?

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C/C++ :: Iterate Through Array And Search For A Number That Was Stored By User

Nov 23, 2014

So I have an issue with a homework assignment that I am coding. I am attempting to get a function to iterate through an array and search for a number that was stored in an array by the user. So far I can take the number, get the numbers displayed but in my menuChoice2 function, for some reason the program is not confirming whether or not the number is entered, and is only telling me that the number has not been found, instead of confirming that the number is in the array.

Here is my code thusfar:

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
// Variables that are Globally declared
int menuChoice = 0;
int usernum[1000] = { ' ' };

[Code] .....

To be clear I am not getting any errors but something is telling me that the error is in the formatting of menuChoice2.

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C :: User Input 6 - Array To Display Even Number From 0 - 6

Apr 5, 2013

If the user puts in a 6. I need the array to display the even number from 0 - 6. Right now what it does is it displays the first six even numbers. Okay as I'm writing this I'm starting to see where my problem might be..

Code:
void sumIntegers () {
int arr[50];
int i = 0;
int num = 0;
int sum = 0;

[Code] .....

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C++ :: User Input 10 Integers Of Array - Add Numbers Greater Or Equal To 10

Oct 29, 2013

create a program that asks the user to input 10 integers of an array the program will add the numbers greater or equal to 10.

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C :: Accept Input Number From User And To Convert It Into Array Of Integer

Oct 7, 2014

i was trying to solve a problem in SPOJ and what i wanted to do is to accept an input number from the user and to convert it into a array of integer.

Code:

#include<stdio.h>
int * toarray(int *num);
int main(void)
{
int testCases;
}

[code]....

But whenever i try to print the array in the main function i get only two value and the rest address

Code:

1//number of testCases
23456 //input number
6
2293452
4
2293700
1974439125

Process returned 0 (0x0) execution time : 4.152 s
Press any key to continue. However, if i tried to print the array from within the function, it prints the numbers just fine.

print the array elements from the main program, so that i would be able to go on with the rest of it

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C++ :: Array Searching - Display Highest And Lowest Number From User Input

Aug 26, 2013

I am having a problem printing out the results for my code, It is supposed to print out the largest and smallest value in the array, but keeps giving me a value not entered and I don't know why.

//This program lets the user enter 10 numbers and then display the highest and lowest number.

#include <iostream>
#include<stdio.h>
using namespace std;
int main() {
const int NUM_ENTERED = 9;
int number[NUM_ENTERED], highestValue = number[0], lowestValue = number[0], count=0;

[Code] .....

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C++ :: Allow User To Input Name And Search Matching Names Among Boys And Girls

Apr 22, 2013

The textfile babynames.txt, which is included in the books website, contains a list of the 1000 most popular baby names of boys and girls. Write a program that allows the user to input a name and the program should then read the file and search the matching names among the boys and the girls. If the name is found it should output the name and the names rank. It should also indicate if their is no match. How to start this.

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C++ :: Looping - Input Numbers Until User Types 0 Then Output Product Of Non Zero Numbers

May 1, 2014

How to do the problem below using loop?

Input numbers until the user types a 0, then output the product of the non 0 numbers: e

E.g., if the user types 2 4 6 0, the program should output 48

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Visual C++ :: Search Function - Ask User To Input Name And Brings Out Line From TXT File Containing Information

Dec 8, 2013

How to get this thing to work. All i need to do is ask user to input a name and then it brings out the line from the .txt file containing the information.

For example in my case I'm doing a member search function I'm required to ask user to input the name of the customer and then print out all the details (which consumes 1 text line in the .txt file)

Here is the code, This is the write to text file method (100% working)

Code:
cout << "Customer Name: ";
cin >> name;
// ...
ofstream myfile("customer.txt", ios::app);

[Code] .....

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C++ :: Random Number Generator - How To Get User Inputs

Sep 10, 2013

I want to program a program that produces a random number between 1-10, then if the number is correct, says like HEY GOOD JOB and if its not says try AGAIN! also, at any point the user can quit by typing in X.

I know that I can use stuff like cout << "Hey put in a guess now" to prompt the user but I dont know how to accept inputs.

For example, how do I use scanf to do this?

I know that if I use scanf, it takes in a value, but where the heck does it store it?

eg. scanf(%s,guess);

Is that valid? I get an invalid expression error when trying to use that in C++.

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C# :: Random Numbers Giving Same Number

Jul 30, 2014

Not a major issue since I got this to work but for some reason both my random numbers are the same and not sure why ...

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
public class ComputerAssistedInstructions {
private static Random rand1 = new Random();
private static Random rand2 = new Random();

[Code] .....

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C++ :: Create Two Vectors With 10 Elements And Input Random Numbers

Feb 9, 2014

I can't compile this code as I am at work and the computers are security protected, So i''l have to wait until i get home to test this, but I am pretty sure I am wrong. The problem is I have to create two vectors with 10 elements and input random numbers into it, then pick one of the elements of the second vector at random and append it to an element from the first vector at random. This has to be done 10 times and the I am assuming i have to print the 10 results. This is what I have:

#include <cstdlib>
#include <ctime>
#include <iostream>
using namespace std;
int main() {
vector<int> random (10);

[Code] ....

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C++ :: Sorting User Defined Amount Of Random Numbers In Ascending Order

Jan 30, 2013

I want to implement a function into the code below that sorts the user defined amount of random numbers and then sorts them in ascending order.

#include <iostream>
#include <ctime>
#include <cstdlib>
#include <iomanip>
#include <string>

using namespace std;
class IntegerArray {

[Code] ....

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C :: Testing Random Numbers And Prepare Histogram With Each Number

Dec 30, 2013

I have to make program which can generate a lot of random numbers and than prepare histogram with each number. Histogram must look that:

0 ( 50):*****************************************
1 ( 59):********************************************** ***
2 ( 42):***********************************
3 ( 49):****************************************
4 ( 41):**********************************
5 ( 53):********************************************
6 ( 60):********************************************** ****
7 ( 47):***************************************
8 ( 54):*********************************************
9 ( 45):*************************************

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C++ :: Read List Of Random Numbers From Input File And Calculate Statistics?

Nov 11, 2013

I need my program to read a list of numbers from and input file, random.txt, and calculate the following statistics on those numbers:

A. The number of numbers in the file.
B. The sum of all the numbers in the file.
C. The average of all the numbers in the file.
D. The largest number in the file.
E. The smallest number in the file.

#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>

[Code]......

This is what I have so far but I'm not sure if it is right. I can't get the input file to open.

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C++ :: Outputting Partially Filled Array Onto Text File?

Jul 24, 2014

I have a partially filled array and I want to put that into a text file. Say I don't know how partially filled it is. How would I stop at the very end of the array where it has the last amount of data.

ex.
int array[9] = {1,2,5,6};
ofstream output("txt file");
for(int i = 0;i < 9; i++){
output << array[i]
}

How would I stop as soon as i becomes 4 because that is when the array stops?

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C :: Simple Search - Any Single Numbers In Array

Jul 13, 2013

I wrote a code which checks if there are any single numbers in an array.e.g.In the next array there is a single number - "3" 4 1 4 3 4 1..Here is an array which doesn't have single numbers in it: 4 1 4 3 3 1

Code:
#include <iostream>
using namespace std;
int single (int arr[], int size)
{
int couple=0;

[Code]....

First I thought to double the number of couples I'll get from my search and find some connection to the length of the array, but it hasn't worked out (signed red).

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C :: User Input - Inverting Odd Numbers

Jan 26, 2014

Now i got here a program that asks the user to input 2 numbers if the first inputed number is smaller than the second then show all even numbers from the range of the 1st inputed number till the 2nd inputed number, but if the first inputed number is greater than the second then display all odd numbers from the range of the 1st number till the 2nd.

now my question is how do i invert the odd numbers?(on the 2nd condition)

Code:
#include<stdio.h>
int main(void) {
int i,a,b,x;
printf("Enter two numbers");
printf("
First number:");

[Code] ......

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C/C++ :: How To Mix Each Number Given By User Input

Jun 29, 2014

There's this program I'm trying to code where the user gives input of 2 values.

Sample :-

Value of X: 1234
Value of Y: 234567
Reversed value X: 4321
Reversed value of Y: 765432
New value as Z: 1223344567 (each number was taken in both X and Y)

Now the thing is I could do the reverse, and I've been trying to find out how.

Here's my code,

#include <iostream>
using namespace std;
int main(){
int x=0, y=0;
int reverse_x=0;
int reverse_y=0;
int z = 0;
int l;

[Code]....

What I thought about that area where I've put a comment on, I was wondering if I code a loop for the amount of times x gets divided by 10 until it becomes 0 and store it in the value, same thing for Y, and add the value together to get Z. But if that's how it is then how I could use that concept here.

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C/C++ :: How To Mix Each Number Given By The User Input

Jun 29, 2014

There's this program I'm trying to code where the user gives input of 2 values.

Sample :-
Value of X: 1234
Value of Y: 234567
Reversed value X: 4321
Reversed value of Y: 765432
New value as Z: 1223344567 (each number was taken in both X and Y)
Now the thing is I could do the reverse, and I've been trying to find out how.

Here's my code,

#include <iostream>
using namespace std;
int main(){
int x=0, y=0;
int reverse_x=0;
int reverse_y=0;
int z = 0;
int l;

[Code]...

What I thought about that area where I've put a comment on, I was wondering if I code a loop for the amount of times x gets divided by 10 until it becomes 0 and store it in the value, same thing for Y, and add the value together to get Z. But if that's how it is I can't seem to really get that idea how I could use that concept here. I'm not really good with programming, fairly new at this.

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C++ :: Printing The First N Prime Numbers (user Input)

Jan 15, 2014

//Finding prime numbers
#include <iostream>
using namespace std;

[Code]....

/*The program currently prints all the prime numbers up to n (For example, if 7 is entered, it prints out: 1, 2, 3, 5, 7. What I want it to do, is print out the first 7 numbers; 1, 2, 3, 5, 7, 11, 13.

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C/C++ :: Program Crashes After Numbers Input From User

May 6, 2014

#include <iostream>
#include <string>
#include <limits> //for std: numeric limits
#include <algorithm>
//Function to get an integer from the user that is greater than or equal to zero.

int getPositiveIntFromUser(const std::string& prompt) {
int retVal = -1;

[Code] ....

The first part works, but it doesn't calculate the GCD or LCM at all, it just crashes!

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