C :: Store Random Numbers In Array

Jan 11, 2015

i cannot print the values stored in the array ?

Code:
#include<stdio.h>
#include<math.h>
#include<time.h>
#include<stdlib.h>
double randf();

[Code] ....

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C :: How To Store All Random Generated Numbers In Array

Feb 27, 2013

So we're having an assignment for school where you code a Roulette game which simulates you playing and you can choose how many times you "play" to check how many times you'd win (if that makes any sense, im german :P)

Anyways, the problem is how do i store all the random generated numbers in an array while NOT doing this (it's just a snip):

Code:

void randomzahl(void){
int i;
int zahl5[5];
int zahl10[10];
int zahl100[100];
int zahl1000[1000];
int zahl10000[10000];
if(runden == 5)

[Code]...

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C++ :: Store Random Numbers And Sort Function

Oct 7, 2014

#include <iostream>
#include <iomanip>
#include <cstdlib>
#include <ctime>
#include <algorithm>
using namespace std;

const int s = 12, p = 6;
int x[s][p];

[Code] ....

Names: P1 P2 P3 P4 P5 P6 AVER.

EVIKE 41 85 72 38 80 69 64.17
KKASV 65 68 96 22 49 67 71.86
YCXFX 51 61 63 87 66 24 70.64
FADPO 80 83 71 60 64 52 80.11
OEJUV 90 60 49 31 23 99 72.02
POEYL 94 11 25 24 51 15 48.67
VRVIP 13 39 67 97 19 76 59.94
QNQRQ 12 33 99 18 92 35 58.16
OOVAO 74 0 95 71 39 33 61.69
NCBXC 39 32 37 45 57 71 57.12
ATXDK 95 5 71 24 86 8 57.69
IXJSW 51 54 74 24 75 70 67.61
AVER. 58.75 49.15 72.35 51.11 62.68 56.81

1: Sort Alphabetically
2: Sort Grades Increasing Order (Student)
3: Sort Grades Increasing Order (Project)
4: End Program Enter choice: 2

Names: P1 P2 P3 P4 P5 P6 AVER.

XXZRZ 41 72 38 80 69 65 60.83
OKETL 68 85 22 49 67 51 67.14
GZQRC 61 63 87 66 24 80 74.69
OJWAY 83 71 60 64 52 90 82.45
PSAJL 60 49 31 23 96 94 72.57
AOVLZ 11 25 24 51 15 13 35.26
CPWSR 39 67 97 19 76 12 57.54
IZCOB 33 99 18 92 35 74 68.09
IJTVD 0 95 71 39 33 39 57.52
LDVGY 32 37 45 57 71 95 65.75
MBORX 5 71 24 86 8 51 51.79
XOHGM 54 74 24 75 70 0 58.13
AVER. 40.58 70.72 50.98 62.66 56.56 60.05

1: Sort Alphabetically
2: Sort Grades Increasing Order (Student)
3: Sort Grades Increasing Order (Project)
4: End Program Enter choice:

Why my sort is not working. Also, I want to keep the same random numbers for the continuation of the program, I don't want new randomized values when I display the table.

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C++ :: Find Prime Numbers Between Given Pair Of Numbers And Store Them Into Array?

Apr 18, 2014

Find all the prime numbers between a given pair of numbers. Numbers should be read in from an input file called "numbers.txt" and find all the prime numbers between them. Store the prime numbers in an array, then sort the array from greatest to least. Display the array before and after the sort.

I'm stuck on how to put the prime numbers into an array.

The input file has the numbers 1 & 100.

Here's what I have so far.

#include <iostream>
#include <fstream>
using namespace std;
int main() {
ifstream fin;
fin.open("numbers.txt");

[Code] .....

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C++ :: How To Store Names And Numbers In Array

Jul 25, 2014

Can names and numbers be stored in one array ? Like a telephone directory?

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C/C++ :: Program Which Ask For X Numbers And Store Them In Array

Nov 22, 2014

This is in c. Write a program which asks for X numbers, and stores them in an array.

The program then asks the user to enter a number to look for, and tells the user how many times that number appears in the array of numbers (if any), and the array index which contain the number

Make an array of the indexes where the number was found, and then format your output to match my output.

Sample Run:

How many numbers would you like to enter: 5

Please enter a number:1
Please enter a number:2
Please enter a number:3
Please enter a number:4
Please enter a number:2

The numbers you enter were: 1, 2, 3, 4, 2
Please enter a number to find: 2
The number appears 2 times, at array ellements with indexes 1, 4

Press any key to continue . . .

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C++ :: Program To Store 10 Decimal Numbers In Array

Sep 24, 2014

Write a program which stores 10 decimal numbers in an array. For these numbers accept input from the users. Once the array is populated do the following:

Display each elements of the array
Display the sum of all the elements of array

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C++ :: Read Float Numbers From Keyboard And Store Them Into Array Of 10 Elements

Jan 10, 2013

I have to complete a project that i want to read float numbers from keyboard and store them into an array of 10 elements.! Every time that a number stored into array i want to compare with previous one if they have +-10 difference .. I want to keep only 10 elements into my array so every time that i give value a[0] replace a[1], a[1] replace a[2],a[2] replace a[3]. . . .and a[10] deleted.. So when all elements of the array are similar with +-10 values print out the array.!

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C :: Program That Fills Array With 10 Random Numbers Between 1 And 20

Apr 16, 2013

i have a programming problem and i am unsure of what the final part is.the question is:

Write a program that fills an array with 10 random numbers between 1 and 20, displays the 10 numbers, and finds the sum of the 10 numbers. Call the getData, displayData, and getSum functions from the main function. Output the sum from the main program by calling the getSum function within a printf statement.

i am just really unsure of what this is--getData, displayData, and getSum functions from the main function. Output the sum from the main program by calling the getSum function within a printf statement.what i have got so far is;

Code:

#include <stdio.h>
#include <stdlib.h>
#define ARY_SIZE 10
int main() {
int randomNumbers[ARY_SIZE], sum = 0, i;

[Code]....

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C :: Loading Array With Random Numbers Within A Range

Oct 5, 2013

How would i go about loading an array with random numbers with in a range. For example, loading an array of 500 elements with random numbers in the range of 50-100.

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Visual C++ :: Unique Random Numbers In Array?

Feb 24, 2013

Below is my code for a program that is suppose to generate and display six unique random numbers (between 1 and 54). The issue seems to be in my check for duplicates. I know what I am doing wrong but can't seem to find a way to fix it. I think it is getting stuck in an endless loop because the way I have written it looks like it checks the first value against itself which will of course look like a duplicate everytime.

Code:
#include<iostream>
#include<ctime>
using namespace std;
//function prototype

[Code]....

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C :: Fscanf Data To Array - It Always Ends Up With Random Numbers

Apr 16, 2014

I am a very fresh c programme user, and need to fscanf data to arrays. Somehow it just doesn't gets recorded, wonder what is wrong with my code?

When I printf the array it always ends up with random numbers. Below is my programme which is just designed to read a doc and print it back out, as well as the text doc it is designed to read.

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C# :: Sort Array Of Random Numbers By Passing It To Method

Jun 28, 2012

I am trying to sort an array of random numbers by passing it to a method Sort(), sort the array, and then pass the entire array back to the calling program. Each time I run this though, the array doesn't seem to sort. I'm not sure if the problem lies with my sorting algorithm or if it has something to do with calling the function.

Code:

static void HighAverage(int[] a) {
for (int i = 0; i < a.Length; i++) {
if ((i + 1) % 10 == 0 && i != 0)

[Code].....

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C++ :: Generate Array Of Random Numbers - Searching Algorithm

Jan 31, 2013

My program generates an array of random numbers. I want to then search a specific number within the array. If the number is in the array then a message apopears on the console saying that its there. I'm using the binary search algorithm to do this.

#include <iostream>
#include <ctime>
#include <cstdlib>
#include <iomanip>
#include <cstring>
using namespace std;
int size;
int getSize() { return size; }

[Code] ......

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Oct 15, 2013

Assignment on making a program like candy crush but it is called as number crush.

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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++ :: 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++ :: Make 10 Random Numbers Thus Making 10 Random Flips Of Coin?

Aug 31, 2013

I want to make 10 random numbers thus making 10 random flips of a coin. I am getting 10 tails or 10 heads!

Code: #include <iostream>
#include <ctime>
#include <cstdlib>
using namespace std;
int main(int argc, const char * argv[])
{

[Code].....

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C++ :: How To Generate And Then Store Random Number

Nov 6, 2014

So I have to generate a random number between 1 and 6 and then store that same random number into an int variable. Eg, if the random number is 4, that must be stored into int i.

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C++ :: Generate Random Integers In The Range And Store Them In A Vector

Sep 3, 2014

You are to write a C++ program to generate random integers in the range [ LOW = 1, HIGH = 10000 ] and to store them in a vector < int > of size VEC_SIZE = 250. Then, sort the contents of the vector (in ascending order) and display it on stdout.

To sort the contents of a vector, use the sort ( ) function from the STL. In addition to the main ( ) routine, implement the following subroutines in your program:

• void genRndNums ( vector < int >& v ) : This routine generates VEC_SIZE integers and puts them in vector v. Initializes the random number generator (RNG) by calling the function srand ( ) with the seed value SEED = 1, and generates random integers by calling the function rand ( ).

• void printVec ( const vector < int >& v ) : This routine displays the contents of vector v on stdout, printing exactly NO_ITEMS = 12 numbers on a single line, except perhaps the last line. The sorted numbers need to be properly aligned on the output. For each printed number, allocate ITEM_W = 5 spaces on stdout.

Programming Notes:

• You are not allowed to use any I/O functions from the C library, such as scanf or printf. Instead, use the I/O functions from the C++ library, such as cin or cout.
• Let v be a vector of integers, then the call: sort ( v.begin ( ), v.end ( ) ) sorts the elements of v in ascending order. The detailed description of the sort ( ) routine can be found on the course web site and in the course textbook.
• Execute the srand ( ) function only once before generating the first random integer with the given seed value SEED. The rand ( ) function generates a random integer in the range [ 0, RAND_MAX ], where the constant value RAND_MAX is the largest random integer returned by the rand ( ) function and its value is system dependent. To normalize the return value to a value in the range [ LOW, HIGH ], execute: rand ( ) % ( HIGH – LOW + 1 ) + LOW.

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Aug 8, 2013

I am currently trying to write a code that will store PID numbers of a child after a fork, I have to be able to enter an amount that will be created, so far I have managed to be able to get them to print (which puts me on the right path as far as I am concerned) but I am having issues. Using the following code:

Code:

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

[Code].....

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C++ :: Numbers Game - Store Current Low Number

Dec 14, 2013

I have a program that stores current a low numbers. The Object is to Store the low number every time time one is presented. so say I start the function the first number is the low number. but the trouble im having it once the function is called again it starts over(low number). Is there a way I can keep the function value once the function is called again? Any better way of doing this while keeping function in a class?

double a;
class rff{
public:
void FGH() {
doubleb=0;
cout<< "pick a number"<<endl;

[Code] ....

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C/C++ :: Using Linked List To Store Guessed Numbers

Apr 26, 2015

Rewriting a program to convert an array based list to a linked list. The program has a user guess a number [1-100] until the correct answer is guessed. I only want to give hints if a duplicate isn't guessed.

while (aGuess-> != p->guess) doesn't work and I haven't been able to troubleshoot myself.

while (aGuess->guess != p->guess) {
if ( aGuess->guess > a ) {
cout << "That's too high -- try again: ";
} // if guess > a

[Code] ....

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C++ :: Random Integers (numbers)

Oct 17, 2014

I'm trying to make a C++ program that generate 6 random numbers ( from 100,000 to 999,999 ), okay, so I wrote a few lines..

Code:
srand(time(0));
for (int i = 0; i < 5; i++)
{
std::cout << 100000 + (rand() % 999999) << std::endl;
}

The problem is, that it generates numbers like this:

117,207
123,303
131,083
... etc etc..

They're all starts with 100K, i want them to be an actual random..

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C++ :: Random Numbers Are Not In Specified Range

Nov 9, 2014

My program behaves weird... I wanted to generate 10 random numbers from 1 to 100 each of them bigger than previous, using the while loop and function that returns a random number in specified range.

When I run the program, I get numbers much bigger than 100, even negative number, and numbers are same every time I run the program.

Code:
#include <ctime>#include <cstdlib>
#include <iostream>
using namespace std;
int range(int low, int high);

[Code] .....

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C :: Generating Random Numbers

Oct 19, 2014

I have a program that generates random numbers. After the random number is generated, the program asks if you want to generate another random number. However, if you generate another random number, it is always the same as the first random number. How can I fix this?

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