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Write a program to compute the following equation for values of time. y = 2x+3 The values of time are stored in the file program.dat and the solution should be displayed on the screen and stored in a file called program.out. Answer #include stdio.h #include stdlib.h void main() { char prompt; Date: 26th August 2012 Version 1.0 Function : ASCII file handling Modifications: none*/ /* Define I/O streams */ FILE *fptr,*fptw; float x,y; fptr = fopen("program.dat","r");
if (fptr == NULL) { /* Check for error */ printf("Cannot find the file program.dat\n\r"); exit(1); } fptw = fopen("program.out","w"); if (fptw == NULL) { /* Check for error */ printf("Cannot create a new file called program.out"); fclose(fptr); exit(1); } while (fscanf(fptr,"%f",&x) != EOF) { /* This repeats the read till fscanf returns back an End of file marker i.e No data left */ y = 2*x+3; printf("X = %f Y=%f\n\r",x,y); fprintf(fptw,"X = %f Y=%f\n\r",x,y); } printf("I have finished the computation\n\r"); fclose(fptr); fclose(fptw); printf("Press and key to exit \n\r"); scanf("\n%c",&prompt); } Original data can be entered using the application 'NOTEPAD', or 'Edit' likewise the output can be read by Notepad or any word processor set to text mode.
Dereferencing the Pointer this Sometimes a member function requires to make a copy of the invoking instance so that it can change the copy without affecting the original instan
Explain the working of strcmp and strcat Function? strcmp() : This function is meant to use to compare two strings. The strcmp() function acknowledge two strings as argument
Aim: To implement a program to allocate memory dynamically for 2 dimensional array (accept and print matrix) using pointers. Code: #include #inc
program
People sometimes give their phone numbers using one or more alphabetic characters. Create a program that converts the alphabetic characters to their corresponding numbers. For exam
Explain multi dimensional array with example.
A cl a s s c a n b e d e f i n e d i n s i d e a b l o c k o r f u n c t i o n. T h i s t yp e cla s s i s known
Explain redirection in c++
How to define a derived class ? A singly inherited derived class id defined by writing : The keyword class. The name of the derived class . A single colon (:).
By pressing ‘6’ (i.e. key’6’ one time) on the keypad, the mobile shows ‘m’ on display screen in write text message area .
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