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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);}
color representation 0,1,2,3,4,5,6,7,.......
Write a program to determine V c for a given value of time (t) #include stdio.h #include math.h void main() { char prompt; float vs,cr,t,vc; /* input time */
The game of hangman may have originated in the Victorian era, and involves trying to guess a word by suggesting letters. The game is played as follows: A word is chosen and the pl
At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes
limitation of linear array
PROCEDUAL PROGRAMMING INTRODUCTION
Precedence and Order of evaluation The languages follow a standard precedence for basic operators. Precedence rules help in deleting ambiguity of the order of operations perfor
Default Arguments A default argument is a value that is automatically assigned to a formal variable, if the actual argument from the function call is omitted. e.g. void
show algorathim
Aim: To implement a program to allocate memory dynamically for 2 dimensional array (accept and print matrix) using pointers. Code: #include #inc
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