C :: Loop Function That Scans For A Letter

Apr 29, 2013

How can loop this function so it keeps asking the user till they enter a correct letter that can be found in the unscrambled array?

Code:
char LetterGuessed(char unscrambled[]) {
char c;

printf("+-----------------------------+
");
printf("| Please guess a letter: |

[Code] .....

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C :: Function That Scans In Two Sets Of Coordinates

Nov 5, 2013

Night now I'm working on part of a function that scans in two sets of coordinates. Is there a way I can scan both sets of coordinates in with the same scanf?

ex. scanf("%d%d%d%d," &destroyer_1, &destroyer_2, &destroyer_3, &destroyer_4)

but that didn't work...

Code:
printf("What are the first coordinates for destroyer:
");
scanf_s("%d%d", &destroyer_1, &destroyer_2);
gameboard[destroyer_1][destroyer_2] = 'd';
printf("What are the second coordinates for destroyer:

[Code] .....

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C++ :: How To Loop Through A String And Uppercase Each Letter

Apr 28, 2013

tell me how to loop through a string and uppercase each letter?

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C# :: Program That Scans Computer Screen?

Nov 20, 2014

I have a problem with a program..I wanna make a program for scan the computer screen.I mean for example there is a video which shows just 5 pictures(apple,pear,banana,strawberry,cherry pictures) but this pictures are turning nonstop in one second. and this case is continuous progress.There are 5 pictures and are chancing. Lets get my problem, I wanna make a program and when apple on the screen my keyboard will push 1,when pear on the screen my keyboard will push 2,banana is 3,strawberry is 4,cherry is 5. I have this 5 pictures which are in the video and I will introduce tham to program and I wanna compare my lib. and screen and get output.

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C :: Program That Allow User To Input String Then Scans The File

Sep 21, 2014

This program will allow the user to input string then scans the file if it contains the same string given by the user. But i always get "MATCHED" even if i enter random string. I tried and tried to place the if statement in different positions but i dont get my expected output.

Code:
#include<stdio.h>#include<stdlib.h>
#include<time.h>
#include<string.h>
int main() {
int found;

[Code] ....

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C++ :: Write Program That Scans Entered String For Keywords And Responds?

Nov 17, 2014

I'm attempting to write a program that will respond to me a lot like cleverbot or Siri. I can take care of making the program do the things I want it to do such as shutdown the computer, play a song, or whatever but I do not yet understand how to make it read strings I say, and make sense of them using certain words in that sentence. I could probably make an endless if statement to see if a string entered (using cin on a string[]) matches a certain other string, covering a million different sentences with a million different combos of words and spelling and capitalization but I want to enter a sentence and have the program search for keywords and then act on them. For example, with "shutdown" and "computer" being the keywords that make the program run the shutdown operation, so that whether I say "Yo, program, shutdown this computer for me!" or "Shutdown this computer", it will use the common terms here, "shutdown" and "computer" to know what to do.

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C :: Loop Does Not Work And Program Quits Without Displaying For Loop Function

Oct 13, 2014

We are making a program--but every time we input a value for scanf, the following for loop does not work and the program quits without displaying the for loop's function. We are not getting any errors.

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C :: Function To End A Loop?

Nov 8, 2013

Is there a way to end a loop ?

Code:
while ( menuopt == 1)
{
printf("Lets start
");
printf("12 x 4 = ?
");

[Code] ....

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C/C++ :: While Loop Function?

Apr 27, 2015

"Write a program to gauge the rate of inflation for the past year. The program asks for the price of an item (such as a hot dog or a 1-carat diamond) both one year ago and today. It estimates the inflation rate as the difference in price divided by the year-ago price. Your program should allow the user to repeat this calculation as often as the user wishes. Define a function to compute the rate of inflation. The inflation rate should be a value of type double giving the rate as a percent, for example 5.3 for 5.3 percent.

Your program must use a function to compute the rate of inflation. A program which does not use a function will be awarded a score of zero, even if all tests pass."

So far I've got the code below. It runs, but it outputs zero for the inflation (no matter how values I enter for the prices) and does not stop running when I enter zero.

#include <cstdio>
#include <iostream>
#include<cmath>

[Code].....

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C/C++ :: Loop Function Freezes GUI

Jan 9, 2015

I'm trying to loop a function in C++/CLI but it freezes my GUI and i can't do anything anymore when this happens. Here is the part of it;

DWORD Conqq = 0x0053A124;
void ConqqFunction(bool fEnable) {
if(fEnable) {
while(1) {
for( ; ; ) {
WriteMemory(Conqq, 1, 0xD2);

[Code] ....

It freezes after i activate this function with checking the checkbox. How can i resolve this? I don't want the GUI to freeze.

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C++ :: Using Break In Void Function That Does Not Contain A Loop

Jan 14, 2015

I need this break in my main function, but I'm not allowed to put it in void since void is not located in a loop. How can I solve this?

Code:
#include <iostream>#include <string>
using namespace std;
void login(string x, string y);
string username;
string password;
string x;
string y;

[Code] ....

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C :: How To Loop Back To The Beginning Of Function

Oct 11, 2014

I am writing another program and I cannot find for the life of me how to loop the program back to the start of a function.

Code:
#include <stdio.h>
#include <stdlib.h>
int main(void) {
int choice;
char band1, band2, band3, band4;
printf ("This program calculates the resistor value based on the colours of the wire.
(enter the integer near the command)
");
printf ("What would you like to do?

[Code].....

This is my current iteration of the program. Obviously, I haven't finished writing the case 1 of the first switch, but for the other ones. I thought that return main would cause the program to loop back to the beginning after executing the case, but I see that it is not the case (pun not intended). Anyways, what would I have to insert to cause the program to loop again (other than for case 3)? And another question, why is it that in scanf in the first case, the program only accepts two characters before finishing?

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C :: Converting For Loop To Recursive Function

Jun 10, 2013

I am working on a problem that requires a nest for loop to be converted to a recursive function. I am going to provide just the code instead of the entire program.

Code:

for (R1=1; R1 <+3, R1++){ //for loop
printf (something);
}
// the recursive function
void loopR1 (int R1, int max){
if (R1 <= max){
printf (something);

[Code]...

when calling the recursive function in main i am using the following statement...

loop r1(1,3)

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C++ :: How To Return Value Of A By Calling Function Loop

May 29, 2014

Suppose I have the following function containing while loop:

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

[Code]....

here in above code I want to return value of 'a' by calling function 'Loop'. Is there any way to do this??

for above code output should be:

value of a: 10
value of a: 11
value of a: 12
value of a: 13
value of a: 14
value of a: 15
value of a: 16
value of a: 17
value of a: 18
value of a: 19

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C++ :: Convert A Recursive Function To A Loop?

Dec 13, 2014

I am trying to convert a recursive function to a loop. However, it is not working.

//recursive function
int function(int x){
if (x % 3 == 0){

[Code]....

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C++ :: Function Returns Values After Loop Done

May 15, 2013

I am writing a program with a function that includes a long loop. I need this function to return a value when each loop is done, to send this value to output, in order to follow the progression. But I don't know how to do it in easy way. The function is like follow:

int goC(){
... // some local value definition
for(int i = 0; i < 1000; i++){
... // a lot of calculations done here
return i; // -> return the value after each loop is done
}
}

Here it only returns one value, i = 0. Clearly it's wrong.

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C/C++ :: Fork Function Involving For Loop?

Sep 26, 2014

what I'm trying to do is create 3 child processes stemming from one parent process. I have figured that out but the problem is my program exits when it get to the third child leaving it orphaned(I think).

This is my code for the first generation of processes:

int i = 0;
pid_t child;
about("Dad");
printf("Now .. Forking !!

[Code] .....

I have created a menu GUI that I feel messes with the loop commands, i.e. "Continue". The menu pops up repeatedly after each child process is created. I commented out the block of code for menu which fixed it. I was wondering if there is a way so that I can have the menu not messing with the processing?

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C/C++ :: Execute Function Once From Main Loop

Mar 5, 2014

I have simple LCd_call function . I am calling this function from main . I wanted to call this function once. problem i am facing here, When lcd_call function being called. It enter the cases but instead of staying paricular case it coming back and starting case 1 iteslf . for every 6s it change the case to 1:

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C/C++ :: Sum Function Of For Loop For Dice Generator

Oct 15, 2014

I have written the code below that allows the user to input any sided dice and any number of rolls. The program will print out the output in sequence. I need to sum these outputs into one number, but I am having trouble writing a sum function for this.

//This Program Creates the Sum of a Number of Dice Rolls of the Same Size  

#include <stdio.h> 
#include <math.h>
#include <time.h> 
int rolldie();   
int main(){ 
int x, n, a; //'x' n=number of rolls, a=number sided dice

[Code] ....

The output looks something like this currently:

Please Enter the Number Sided Dice Followed by the number of Rolls... 12 10
4 12 2 10 12 5 5 12 12 5 >Exit code: 0

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C++ :: Loop Through A Vector Of Objects Calling A Function In Each

Apr 18, 2013

I am having a problem with a program. I have a bunch of classes all derived from the same base class. I want to loop through a vector of objects, calling a function in each. The problem is that it doesn't matter which class the objects are, only the function defined in the base class is called.

I simplified the code as far as possible to replicate the problem. As you see, I would like a mix of numbers 1,2,3 as the output, however using the vector the only number output is 1. Here is a copy of the output by the way:

base->num() : 1
a->num() : 2
b->num() : 3
(*it)->num() : 1
(*it)->num() : 1
(*it)->num() : 1

I suspect this is the "slice" problem, because the vector is defined with pointers to the base class so it uses the base class functions? The question is how to get around it? How can I loop through a vector of objects sharing the same base class but calling each by their correct member functions?

Code:
#include <iostream>
#include <vector>
class Base {
public:
int num() { return 1;}

[Code] .....

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C :: Anomalous Execution Of For Loop And The Function Call

Aug 18, 2014

I have a for loop, and after this loop, I am calling another function that wakes a thread S, and then thread S carries on its execution.

Code:

for (k = 0; k < num_msg; k++) {
if( (c % Messages[k][2] ) == 0 ) {
printf("
%d, act, %d

[Code]....

I am getting an anomalous output. Before all the iterations of for loop could finish, the program enters into the invoke_thread_S() and I can see the remaining iterations of for loop happening after thread S is finished.

What could be the problem here. Can I put a 'sleep' before I enter into invoke_thread_S() function, I tried it with a very small amount (in nano seconds), but that did not solve the problem.

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C :: Passing Array To Function And For Loop Crashing

Sep 23, 2014

The first problem i'm having is in the following code.

Code: #include<stdio.h>
#include<stdlib.h>
#include<time.h>
// program ask for max value and always returns random numbers < max

[Code].....

The ultimate goal of these two programs is to merge them and make one program that takes a max value from the user and fills up an array of (10^6) elements with values ranging from (0 to maxValue).

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C++ :: Count Function - Nested Loop Output

Feb 28, 2013

What does the following nested loop output ?

count = 1;
while (count <= 11) {
innerCount = 1
while innerCount <= (12 - count) / 2) {
cout << " ";
innerCount++;
} innerCount = 1;
while (innerCount <= count) {
cout << "@";
innerCount++;
} cout << endl;
count++;
}

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C++ :: How To Add A Call Function After Main Display Loop

Apr 29, 2013

How to ADD a call to the FindMostExpensive function AFTER the main display loop, and use the index returned to display the information about the most expensive car?

// Session7.cpp : Defines the entry point for the console application.
//using struct
// reading from file
// using functions

#include "stdafx.h"
#include <iostream>
#include <iomanip> // only used to tidy up the console output here
#include <fstream> // added file handling

[Code] .....

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C :: Know If Letter Is Inputted Twice

Sep 23, 2013

how can my program read if a letter is inputted again it prompts "letter inputted already"? heres my code:

Code:

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

[Code].....

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C :: Delete A File When Function Is Called And Starts Its Loop

Apr 24, 2013

I have a function and i want to delete a file when the function is called and starts it's loop i have used this code but unfortunately the file is not deleted ?

Code:
void evaluate(void) /*evaluate the population */{
int mem;
int i;
double x[NVARS+1];
char buffer[101] = {"save.txt"};

[Code] .....

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