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Command-line arguments are passed into programs using the arguments of main(). Here's a quick example, for a program called by typing
"progname file.txt 1 2.7":#include #include using namespace std;int main(int argc, char *argv[]){char *progname, *filename;int value1;float value2;if (argc != 4) {cerr << "usage: " << argv[0] << " file.txt int float" << endl;exit(1);}progname = argv[0]; // argv[0] is the executable's name itselffilename = argv[1];value1 = atoi(argv[2]); // convert C-string to int with atoi()value2 = atof(argv[3]); // convert C-string to float with atof()cout << progname << " " << filename << " " << value1 << " " << value2 <exit(0);}
Write a program to add co-ordinates of the plane The class having x and y co-ordinates. Create three objects. Use a constructor to pass one pair of co-ordinates and a funct
Write C code for a program that implements a digital clock (HH:MM:SS). The clock includes a two-digit hour indicator HH (00-23), a two-digit minute indicator MM (00-59), and a t
write a c++ program for minimum shelf downloads
Write a program that displays both the lower case and upper case alphabetical letters using the following Format Lowercase Uppercase a A
Use of random function: int main(void) { int i,j; for(j=0;j { // randomize(); for(i=0;i printf("%d\n", ran
Object Conversions Just like initialization, conversions are also done automatically when an object of a derived class is assigned to an object of the base class. Though, the c
types of lists
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
Define the Modulo Division Operator in c language? The C provides one more arithmetic operator % called as modulo division operator and this operator yields the remainder of an
pseudo code that will determine if the number is prime or composite
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