C :: Finding Mode Of Array

Mar 20, 2014

I've been trying for over an hour to think of the logic to find the mode of an array.I left out code for initializing the arrays, but all the values in the array are between 0-9. Check out my code below.

Code:

int mode( int array[], int size ) {
int i;
int count;
int max = 0;
int num = 0;
int mode;

[code]....

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C++ :: Finding Mode Of Numbers In Array

Sep 9, 2013

I have to use numbers in my .txt file that are stored in an array. So i have to write a function to find the mode of the numbers in my array.

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C++ :: Finding X / Y Pixel Address In Mode 13h VRAM?

Jul 21, 2013

I'm currently working with linear VRAM (a buffer with 256KB memory, divided into four 64k planes, so plane 0 at 0x00000, plane 1 at 0x10000, plane 2 at 0x20000, plane 3 at 0x30000). Just add the index of the plane to that for the full address in VRAM.

I'm still wondering how to get a specific pixel from VRAM (x,y coordinate) when doing graphic modes (none color modes work, only the black/white pixels (1-bit) graphic mode works).

how I can get specific pixels from the VGA VRAM (having linear access described above) using Shift Register Interleave mode (VGA modes 4&5), 16-bit planar mode (Most VGA modes) etc.

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C++ :: Finding Mode - Number That Occurs Most Often In A Sequence Of Numbers

Dec 9, 2014

I was doing a side project from my textbook about finding the mode, which is the number that occurs most often in a sequence of numbers. I racked my brain on this for an embarrassing amount of time and finally came up with this, which I think works but for some reason I still feel like I'm not done.

#include "stdafx.h"
#include <iostream>
using namespace std;
void mode(int *, int);
void main() {
const int NUMBERS = 15;
int list[NUMBERS] = {99,73,56,14,28,42,93,64,51,26,56,16,38,81,98};
mode(list,NUMBERS);

[Code] ....

Console Output:

Final Mode 56
Press any key to continue . . .

There it is, I would have commented more but I couldnt think of the right words to explain everything.

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C++ :: Mode In 2-D Array

May 2, 2014

I have to find mean,mode and median of a 2-D array :

2 5 2 5 9 5 8 3 6 10
8 1 10 10 7 1 4 4 3 8
4 3 1 2 4 10 3 9 8 5
6 10 8 3 6 10 5 1 2 5
2 2 9 2 5 5 1 1 7 5
7 9 9 2 1 5 2 2 2 4
3 6 1 9 3 4 10 7 4 6
7 10 4 6 2 10 10 8 7 6
7 1 3 6 2 4 6 7 8 9
8 5 9 2 3 2 1 5 1 8

I coded for mean but stuck for mode.

Code:
// Assign4_Q2.cpp : Defines the entry point for the console application.//

#include "stdafx.h"
#include<iostream>
#include<iomanip>
#include<conio.h>
using namespace std;

[Code] ......

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C++ :: How To Find Mode In Array

Feb 6, 2014

How do you find a mode in array? This is what i got so far. I put this after i sort the array

for (int index = 0; index < size2; index ++) {
//count[mode[index] - 1]++;
if (mode[index] == mode[index + 1]) // compare the first to sec array {
again++;
cout <<"This is number " << again << endl;
}
}

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C/C++ :: Mode Of Sorted Array?

Sep 14, 2014

I've been working to make program to find the mode of sorted array. But the program didn't return the results correctly. Here is the code:

#include <iostream>
using namespace std;
int main () {
cout<<"Enter the size"<<endl;
int size;
cin>>size;
int data [size];

[code]....

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C/C++ :: Using Function To Find Mode Of Array?

Oct 20, 2014

My code seems to find the mode of the array I input sometimes. Sometimes it gives me the wrong number or multiple numbers. It just all depends on what is number is inputted into the array. I don't know what the problem is. I tried looking online and editing many times and can't find the answer. Maybe I'm overlooking something or doing something wrong. Here's my code.

#include <stdio.h>
void readArray(int arr[], int length)
{
printf("Enter data:
");

[Code].....

Maximum: 15
Mode: 2

As you can see the mode is clearly not 2 and I do not know why.

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C/C++ :: Find Mode Of Sorted Array

Sep 14, 2014

I've been working on my program to find mode of sorted array. But the program didn't return the res

#include <iostream>
using namespace std;
int main () {
cout<<"Enter the size"<<endl;
int size;
cin>>size;
int data [size];

[Code] ....

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C++ :: Calculate Mode / Mean And Median Of Array Of Integers

Mar 17, 2013

I'm writing a program that calculates the mode, mean and median of an array of integers. I've done the mean and median but i can't figure out mode.

I have to find the number of modes.

Ex array of integers: 10, 10, 4, 5, 6,5, 6, 7

My function has to return the number 3. Because there are 3 sets of mode; 10,5,6.

How do i implement this in my function because for now it just calculates the mode. It only return the number mode 10.

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C/C++ :: Find Minimum - Getting Median And Mode In Array

Feb 7, 2015

So I am trying to find the min, max, range, mean, median, and mode. The max number is right but the min isnt. Once that is corrected, i can get range and mean easily. Also, how to get mode and median. I am guessing the values in the arr2 would have to be sorted. This refers to the values in arr2 which are the calculated values in the formula. You can enter -2 and 2 for userMin and userMax.

#include <iostream>
#include <iomanip>
using namespace std;
int main() {
cout << fixed << setprecision(1);
float userMin;

[Code] .....

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C++ :: Store User Input In Array And Calculate Mean / Median And Mode - Bubble Sorting

Mar 26, 2014

I'm trying to make a c++ program of this but i don't know how to use the bubble sorting.

Write a C++ application that asks the user to enter 10 numbers. The program then stores those numbers in an Array. The program should display the Mean , Median, and Mode.

Mean is the average of the 10 numbers.
Median is the average of the 5th and the 6th numbers. (But you have to arrange the numbers in ascending order first using Bubble Sort before calculating the Median.)
Mode is the most frequent number among the 10 numbers.

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C++ :: Finding A Value In 2D Array?

Jul 9, 2014

I want to search a 2D array to see if it contains a certain value x. I can come up with three different ways to do this. Provided I have:

const int Rows = 40;
const int Columns = 30;
int SampleData[Rows][Columns] = { ... }

Is there any real difference (in terms of performance etc.) between these, or are there an even better solution?

Solution 1:
for(unsigned row = 0; row < Rows; ++row) {
for(unsigned col = 0; col < Columns; ++col) {
if(SampleData[row][col] == x) {
// found
} } }

Solution 2:
int* data = &SampleData[0][0];
if(find(data, data + Rows * Columns, x) != data + Rows * Columns) {
// found
}

Solution 3:
int* data = &SampleData[0][0];
for(unsigned i = 0; i < Rows * Columns; ++i) {
if(*data++ == x) {
// found
} }

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C :: Array Finding Position Of A Value?

Dec 24, 2013

So for a project I'm working on, I'm using an array and generating it's values randomly but unique. Currently I'm working on a 3X3 array and the generated values are in the range from 1-9. So I wrote a function that will tell me the position of the cell whose value is 9. This is the function I wrote:

Code: void Llogaritje1(int t[3][3],int &i, int &j){
int y,l;
for(y=0;y<3;y++){
for(l=0;l<3;l++){
if(t[y][l]==9){
i=y;
j=l;
break;
}
}if(t[y][l]==9) break;
}
}

But it doesn't work on all cells. Seems like at cells t[1][0] and t[2][0] the values that i and j take are 0 0 since when I print them after excecuting the function that's what it returns. I really don't understand why.

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C :: Finding The Minimum Value Of Array

Sep 9, 2013

I am trying to make my program read a bunch of numbers in an array to find its maximum and minimum. the program will ask the user to enter in as much number as possible until they enter a non number/letter. i got my program to find the maximum value but the program couldn't read the minimum value. it always says zero. also everytime i enter the number 0, the program will just finish its loop statement. If i typed in a negative number, it'll read the negative number as its minimum.

Code:
#include <stdio.h>
int main()
{
//-------variables------------------
double list[1000]; // can hold 1000 items
int i;
char letter;
int max = list[0];
int min = list[0];

[Code] ....

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C :: Finding Diagonals Of Array?

Apr 11, 2014

Most of this program is working correctly, however when I get to the part on lines 70 to 78 to try and use the function on lines 103 to 113 to find out each diagonals value and then print each one back. But when this runs it only returns the value for [0][0] for each run through the loop and I'm not really sure why. I know its probably something simple but I'm just missing it,

Code:
1 #include<stdio.h>
2 #include<stdlib.h>
3 #include<time.h>
4 #define MAX 100
5
6 void display_menu();
7 int check_option(int);

[Code]...

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C++ :: Finding The Average Of Array

Apr 16, 2013

I am attempting to write a program that takes a number(picked by the user) of test scores in an array then calculates the average and outputs the number of passed and failed tests.

On a side note I am attempting to use array notation in the main function and pointer notation in the other functions

#include<iostream>
#include<iomanip>
using namespace std;
int numScores;
int counter = 0;
double *scores;
//Function Prototypes

[Code]...

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C++ :: Finding A String Within Array?

Jan 14, 2013

i just want to check to see if one word (string) or one sentance is equal to any others within an array. My code

so basically i want to check if a is equal to either "sleep", "in", or "bed". Or even if the string within a is equal to "sleep in bed" as one string.

I have used the following but even if i get it correct and it says correct it says incorrect another 2 times because it is saying yeah you have gotten one right out of the possible 3. Even if I type "sleep in bed" it still does it (prints out incorrect another 2 times. Also are there any good books to start off with c++?

string a;
string aa[3] = {"sleep", "in", "bed"};
for(int i = 0; i < 3; i++) {
if(a == aa[i]) {
cout << "CORRECT!" << endl;
} else {
cout << "INCORRECT!" << endl;
}
}

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C/C++ :: Finding Element Of Array

Feb 17, 2014

"Write a program in C that finds the element of an array which all the previous are smaller and all the next are bigger than that.If there are more than one print the biggest. If there isn't any print "ERROR" .

EXAMPLE

If the array has 10 elements like this : {2,3,4,6,5,7,8,10,9,8}

The correct answer is 7 , because 2,3,4,6,5 are smaller than 7 and 8,10,9,8 are bigger than 7.

I am working on it for 2 weeks and I can't find a working solution />/>/>

There is the first try :

#include <stdio.h>
#include <stdbool.h>
int s_data[10]={2,3,4,6,5,7,8,10,9,8};
int main() {
int result,i,j,s_len ,tmp1,tmp;
bool GT_PREV,ST_NEXT;

[Code] .....

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C++ :: Finding Highest Number In Array

Aug 12, 2014

after staring at this for awhile, I can't figure out why it won't work. It prints out numbers from 0 to 100, but will print out an absurdly high number as the highest number, like 790 or 640. I can't see why.

Code:
#include <cstdlib>
#include <ctime>
#include <iostream>
using namespace std;
int find_highest(int array[]);
int find_highest (int array[], int size) {
int highest_num;
for (int i = 1; i < size; ++i) {
if (array[i] > array[i-1]) {

[code]....

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C :: Finding The Biggest Number In Array?

Feb 2, 2014

I'm supposed to find the biggest number (largest value), in any given array A with n numbers. (no floats)

My thoughts here are, check if A[0] > A[1]. if yes, check if A[0] > A[2]. If no, check if A[1] > A[2] etc.

I'm not sure how I can do this in code. I'm thinking if A[0] > A[1] is true, then set A[0] = A[k]. Kind of set it aside, and use that for the next if test. But I'm not sure how to do it.

This is my code so far.

Code:
int main(){
int A[7] = {12, 6, 9, 33, 2, 25, 53};
int i, k;
k = 0;

[Code]....

I'm aware of the flaws here, but this is the best I can do so far. How can I get the if test to use A[k] next, as A[k] will always be the biggest value?

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C :: Finding Equal Values In Array

Feb 3, 2015

How i can find two equal int in array with O(n) time complexityand O(1) place complexity?

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C++ :: Finding Coordinates In Multidimensional Array?

Mar 26, 2013

I know how to find a specific number in a multidimensional array, but I don't know how to have a specific number and find its coordinates.

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C++ :: Finding Smallest Number In Array?

Oct 17, 2014

I was assigned to create a program that has a 10 x 8 two dimensional array and fill it with random numbers in the range 50 to 70 inclusively.( Got That part down). The second part is to make function named findSmallest that will find and print, appropriately labeled, the smallest number in the array.

I cant seem to get it working. The code for finding the smallest give me some weird number

Here my Code:

//Assignment 18 Program 2
#include <iostream>
using namespace std;

[Code].....

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C/C++ :: Finding Middle Element Of Array?

Mar 12, 2014

Above you said to find the middle value you should divide the array by two and then display the middle value (aka the median). For example, for an array consisting of 1 2 3 4 5, 3 would be the middle value.

My question is, how/what do I write to tell the program to display the middle value???

So far, I have done enough research and written enough code to receive values from the user and sort the array in ascending order. I simply don't know where to go from here (I started C++ about 1 month ago). I don't know how to tell it to pull the middle value.

I've researched "find_if", "nth_value" and a boat load of others with no luck

Here's what I've done so far:

#include <algorithm>
#include <functional>
#include <array>
#include <iostream>

[Code]....

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C/C++ :: Finding Highest Value In Array Using Functions

Mar 9, 2015

I keep getting an unresolved external symbol error in the double GetHighest function. Ive looked over the code many times and can figure out why its giving me this error.

//Question 1

// Copy source code below and save to a .cpp file (say lab11_01.cpp) and write statements to print what is indicated in the source code.
//In this question, you will implement code for finding the highest value in an array, and you do this in a function.
//This program gets a series of test scores and calculates and display the highest score.

#include <iostream>
#include <iostream>
#include <iomanip>
using namespace std;
// Function prototypes
void getTestScores(double[], int);
double getHighest(const double[], int);

[Code] ....

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