Answer Posted / ashwini

#include<stdio.h>
#include<pthread.h>

pthread_mutex_t m;

void* writer(void*);
void* reader(void*);

FILE *fp;



main()
{
pthread_t tid1,tid2,tid3;
pthread_mutex_init(&m,NULL);
pthread_create(&tid2,NULL,reader,NULL);
pthread_create(&tid1,NULL,writer,NULL);
pthread_create(&tid3,NULL,reader,NULL);

pthread_join(tid2,NULL);
pthread_join(tid1,NULL);
pthread_join(tid3,NULL);
}
void* writer(void *str)
{
pthread_mutex_lock(&m);

fp=fopen("file1.txt","w");
global += 35;
fprintf(fp,"%d",100);
fclose(fp);
pthread_mutex_unlock(&m);
}
void* reader(void *param)
{
int abc;
pthread_mutex_lock(&m);
fp=fopen("file1.txt","r");
fscanf(fp,"%d",&abc);
printf("%d",global);
fclose(fp);
pthread_mutex_unlock(&m);
}

write a function that reverse the elements of an array in place.The function must accept only one pointer value and return void.

4564

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Write a simple encryption program using string function which apply the substitution method.

6104

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what mean void creat_object?in public class in this code class A{ public: int x; A(){ cout << endl<< "Constructor A";} ~A(){ cout << endl<< "Destructor A, x is\t"<< x;} }; void create_object(); void main() { A a; a.x=10; { A c; c.x=20; } create_object(); } void create_object() { A b; b.x=30; }

2575

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Code for Two Classes for Doing Gzip in Memory?

3251

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write a program that reads a series of strings and prints only those strings begging with letter "b"

3107

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write a program that reverses the input number of n.Formulate an equation to come up with the answer.

7673

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solve the problem in the programming language C++"if a five digit number is input through the keyboard.Write a program to calculate the sum of its digits(hint: use the modulus operator)

3407

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3. Program to find the Sum of give series. a. (1)+(1+2)+(1+2+3)+(1+2+3+4)+……………………………….. b. 1/1+1/9+1/25+1/49+……………...

4930

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Given a table of the form: Product Sold on A 1/1/1980 B 1/1/1980 C 1/1/1980 A 1/1/1980 B 1/1/1980 C 2/1/1980 A 2/1/1980 There are 30 products and 10,000 records of such type. Also the month period during which sales happened is given to u. Write the program to display the result as: Product Month No. of copies A January 12 A February 15 A March 27 B January 54 B February 15 B March 10 C January 37

2500

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write a program that can LOCATE and INSERT elements in array using c++ programming languages.

4012

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Definition of priority queue was given. We have to implement the priority queue using array of pointers with the priorities given in the range 1..n. The array could be accessed using the variable top. The list corresponding to the array elements contains the items having the priority as the array index. Adding an item would require changing the value of top if it has higher priority than top. Extracting an item would require deleting the first element from the corresponding queue. The following class was given: class PriorityQueue { int *Data[100]; int top; public: void put(int item, int priority); // inserts the item with the given priority. int get(int priority); // extract the element with the given priority. int count(); // returns the total elements in the priority queue. int isEmpty(); // check whether the priority queue is empty or not. }; We had to implement all these class functions.

4940

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i really need help about this.. write a program to display the set of odd and even numbers separately. find the highest and lowest value of the given numbers.

2703

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Write a (n) algorithm that sorts n distinct integers, ranging in size between 1 and kn inclusive, where k is a constant positive integer. (Hint: Use a kn-element array.)

4980

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write a program to perform generic sort in arrays?

3061

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write a program using 2 D that searches a number and display the number of items 12 inputs values input 15,20, 13, 30, 38, 40,16, 18, 20 ,18 ,20 enter no. to search : 20

3802

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