C++ :: Array With Both Numbers And Alphabets

Aug 22, 2014

I am unable to create an array which has to content elements(1E, 2E, 3E, 4E). I tried using char however I am unable to display as it only shows the letter E.

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C++ :: Sorting Alphabets And Numbers

Apr 20, 2014

My program reads a string of characters. Prints all occurrences of letters and numbers, sorted in alphabetical and numerical order. Letters will be converted to uppercase.Other characters are filtered out, while number of white spaces are counted.

The problem is it crashes when i run the program. Here is my code

#include <iostream>
const int SIZE = 100;
using namespace std;
int main() {
char *pStr, str[SIZE] = "", newStr[SIZE] = "", ch;
int count = 0, i = 0, j;

[Code] .....

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C/C++ :: String Of Characters - Sorting Alphabets And Numbers

Apr 20, 2014

My program reads a string of characters. Prints all occurrences of letters and numbers, sorted in alphabetical and numerical order. Letters will be converted to uppercase.Other characters are filtered out, while number of white spaces are counted.

the problem is it crushes when i run the program

Here is my code

#include <iostream>
const int SIZE = 100;
using namespace std;
int main() {
char *pStr, str[SIZE] = "", newStr[SIZE] = "", ch;
int count = 0, i = 0, j;

[Code] .....

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C++ :: Occurrence Of Different Alphabets In A String

Feb 28, 2014

how to recognize the occurrences of different alphabets in a string and print the occurrences of each alphabet in string..

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C++ :: Identify Floating Or Alphabets

Apr 28, 2013

I have this homework where i am implementing a code which does error checking

so basically i have 3 variables and i assigned them as integer. so my error check is asking that if i type a value for instance 1.2 it should output "X"...

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C/C++ :: How To Use Alphabets To Break Do While Loop

Jul 29, 2014

#include<iostream>
using namespace std;
int main() {
int choice[10] = { 0 };
int vote, highvote;
cout << "1 Lional Messi ";

[code]....

My problem is i have to stop the loop when i enter any alphabets, i tried a lot of method but still doesn't work.

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C++ :: How To Check Equivalent Of Randomly Generated Alphabets

Mar 23, 2014

//This code gives randomly generated alphabets and if equal will cout the alphabet which is equal

1 #include <iostream>
2 #include <cstdlib>
3 #include <ctime>
4 using namespace std;
5 int main()
6 {
7 int a;
8 char array[10];

[Code] .....

My question is how to check that randomly generated alphabets are equal e.g in 22 number line it should give output of equal alphabets if they are equal but it does not give equal alphabets what wrong in this code mention the wrong statement, how will i get right answer?

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C++ :: Count Number Of Uppercase Lowercase Alphabets / Digits And Other Symbols?

Jan 16, 2014

It should count from the text entered how many alphabets in uppercase and lowercase, digits, blank spaces and 'other symbols'.

This is the program below.

#include<iostream.h>
#include<conio.h>
#include<stdio.h>

[Code].....

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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 :: Find Duplicate Numbers And Numbers Found Once In Array

Dec 7, 2013

Question: How to find a duplicate numbers and numbers found once in array.

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C/C++ :: Generate Combinations Of Numbers From 1 To 25 In 15 Numbers Array?

Sep 21, 2014

The code below will generate combinations of numbers from 1 to 25 in an 15 numbers array. The only filter I've applied is that the sum of all the numbers in the vectors divided by 15 needs to be between 13 and 14.
I would like to count how many consecutive numbers there are in one combination, so that later i can apply another filter.. for example:

1 3 4 5 6 8 10 13 14 16 17 18 19 20 25

3 + 4 = 1
4 + 5 = 1
5 + 6 = 1
13 + 14 = 1
16 + 17 = 1
17 + 18 = 1
18 + 19 = 1
19 + 20 = 1
_____________

Count = 8, in this case..

I think it's not very difficult to do, but i just can't see how to do it.

#include <iostream>
#include <vector>
#include <numeric>

[Code]....

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C++ :: Storing Numbers Into 2D Array - Invalid Types Int For Array Subscript

May 17, 2014

#include <iostream>
#include<fstream>
int decryption(int);
int multiply(int,int[][2]);
using namespace std;
main(){
int n;
ifstream inFile;
inFile.open ("out.txt");

[Code] .....

I was trying to store numbers read from a text file into 2D array but I am getting the error above.here is where the error occurs:

line 33: cout<<m[i][j]<<" ";

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C++ :: How To Count Same Numbers Once In Array

Jan 22, 2015

iam trying to count the same numbers in an array just once like

38
38
40
38
40
37

the output should be 2 since 38 is repeated and 40 too but for my code the output is 3 thats an example of how it should be in a nutshell i want same number to be counted just once in the whole array

and here's my code :

#include <iostream>
using namespace std;
int main(){

[Code].....

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C++ :: Find GCD Of Array Of Numbers

Aug 25, 2013

I wrote this GCD function to find gcd of an array of numbers . Here is the code:

long long GCD(long long min,int loc,long long b[]) {
for (long long i=min;i>0;i--) {
bool p=0;
for (long long x=0;x<loc;x++) {
if (b[x]%i!=0)

[Code] ....

Its returning wrong answers. When i tried 6 14 it returns 6

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C/C++ :: Get Average Of Numbers In Array

Jul 5, 2014

I was trying to make a program that asks the number of grades, get the grades and then get the average. I know I have to save the grades in an array but i don't know exactly how.

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C :: Ignore Negative Numbers In Array

Feb 15, 2014

So i have this program that takes in user input and stores them into an array and then prints them, removes duplicates, and sorts in ascending order. The user can also stop by inputting a sentinel value (in this case -1). But i am also supposed to ignore any negative value besides -1. When i input any other negative value into the program it messes up. How would i go about ignoring the negative values?

Code:
#include<stdio.h>
int main()
{
int input, nums[20], i, j, k, temp, count=0, count2=0;
for(i=0;i<20;i++)

[Code] .....

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C :: Find Prime Numbers - How To Use Bit Array

Aug 19, 2013

I wrote some code for class to find prime numbers.The teacher says that I need to revise my code with the requirement below: use a bit array to store the prime number checking. The bit array will also be in the heap. Use the max value of an unsigned 32-bt integer (UINT_MAX) to be the maximum size of the prime number you want to check.

Code:
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
#include <getopt.h>
#include <ctype.h>
#include <stdint.h>

//function to set all non-primes to 0
void *zero_multiples(void *threadid);

[Code] .....

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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 :: Enter 10 Positive Numbers In Array

Nov 3, 2014

I have task to make program.. To enter 10 positive numbers in an array. Find three numbers that stand near each other and that have the maximum sum.

I understand how to make array, enter 10 number i find only one biggest number from 10.. How to find three max number sum that stand near each other..

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C :: Sum Of Fourth Powers Of Numbers In Array

Dec 9, 2014

I want to have a program that will calculate the sum of the fourth powers of 100 real numbers in an array (numbers in this array are stated explicitly in the code), code I have for integers is working perfectly but i want it to work also for non integers.

Code:

#include "stdafx.h"
#include "math.h"
int sum_array(int a[], int numelements) {
long double i, sum = 0;
for (i = 0; i<numelements; i++) {
sum = sum + pow((float)a[i], (int)4);

[code]....

The error messages i have: return' : conversion from 'long double' to 'int', possible loss of data.

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C :: Changing Order Of Numbers In Array

Dec 10, 2014

I want to write a programm that will reverse the order of the numbers in an array (e.g. as an input 1,2,3.5,4 and as an output i want 4,3.5,2,1) . But i have to problems:

1) I do not know how to properly change the type of a numbers inside an array from int to float or double, changing int to float in front of the a[10], does not change anything instead the code does not want to compile then.

2) I also want to make an array of a number of elements typed by a user with use of a "do" loop and how to put this parameter in the code.

Here is my code:

Code:

// ConsoleApplication3.cpp : Defines the entry point for the console application.//
#include "stdafx.h"
int _tmain(int argc, _TCHAR* argv[]) {
int a[10], i, n;
int pom;
do {
printf("number of elements in an array a: n = ");

[Code]...

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C :: Assign Numbers In A Buffer To 2D Array

Jul 11, 2014

How to assign numbers stored in a buffer memory to a 2D array.

The data type is unsigned 16bit (unsigned short) integers and they are stored in a 16bit/2bytes*1280*1024=2621440 bytes memory. The pointer pBuffer is the starting address of the buffer. Now I initiated an array and then assign the numbers to the array.

Code:
unsigned frame[1280][1024];
for (int i=0;i<1024;i++){
for(int j=0;j<1280;j++){
frame[i][j]=(*(unsigned short*)pBuffer+1024*i+j);
printf("%u ", frame[i][j]);
}
printf("
");
}

Because I know the number in the memory, I know after running the code that the result gives me nonsense.

I tried frame[i][j]=(*(unsigned short*)pBuffer+1024*2*i+2*j);

Since I think the pointer needs to move 2 bytes at a time, but it still gives me nonsensical array back.

Am I using the wrong expression to assign the values?

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C++ :: How To Count Repeated Numbers In Array

Jan 30, 2015

So I already gave this a go and will post my code below. The question is about the last loop before the program cout's. i thought the count would keep track of the repeated numbers so i could display them but it does not. I italicized the loop i am referring to. or at least i tried to xD

#include <iostream>
#include <iomanip>
using namespace std;
int main() {
int inputs[30];
int numofloops;
int maxvalue = inputs[0];

[Code]...

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C++ :: From Array Of Integers Take Numbers That Occur Only Once

Jan 14, 2013

I am trying to find a way to do something like this:

input: 3 4 7 4 3 3 7
output: 3 4 7

So what I am trying to do is from an array of integers to take numbers that occur only once. If 3 is in that away I am trying to input it in a different array only once.

input: 8 3 2 9 8 9 2
output: 2 3 8 9

I cannot find a way to solve this, and I have been trying to solve it for a long time.

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C++ :: How To Convert Numbers From Char Array

Jan 27, 2015

i want to convert in loop for example this

char number[]="54465465445646848640";

and in loop convert these element to int one by one.

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C++ :: Accept Numbers From User Into Array?

Feb 7, 2015

I want to accept numbers from the user into an array and convert into corresponding alphabets. E.g 1 into A, 2 into B, and so on.

This is simple, but the problem is the user is supposed to enter the character # also which I want to display as it is in the output. How can I do this ? What type of array should be used - int or char?

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