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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);}
program
Ask question #Minimum 100 write an algorithm to calculate simple interest and compound interestwords accepted#
Question: (a) Explain a linked list. (b) Describe the three different types of linked list with the help of diagrams. (c) Give two advantages and two disadvantages
Question : (a) What is a structure? Provide a simple example of your own to illustrate this feature. (b) How does a structure differ from an array? (c) Describe a structu
#include using namespace std; void print(int marks_arr[],int cnt) { int ind[cnt]; int i=0; int j=0; int k=0; int s=0; for(k=0;k { ind[k]=0; } int cnt1=0; for(i=0;i
algo of stack using two queue
tax
Damjibhai and Shamjibhai are two jeweler friends. They decide to play a simple game. The game comprises of removing the jewels for polishing, turn by turn. Once a jewel is removed
Friend for Overloading Operators Sometimes friend functions cannot be avoided. For example with the operator overloading. Consider the following class that have data members to
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. #include float start_point,
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