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Program to Open a file in C++:
int main()
{
char ch;
ifstream f1 ("OLDFILE.TXT");
ofstream f2 ("NEWFILE.TXT");
if (!f1) cerr << "Cannot open OLDFILE.TXT for input";
if (!f2) cerr << "Cannot open NEWFILE.TXT for output";
while (f2 && f1.get(ch))
f2.put(ch);
return 0;
}
Q: Can I overload operator == so it allow me compare two char[] by a string comparison? A: No: at least one operand of particular overloaded operator should be of some user-defi
Within C we access external devices by means of a pointer i.e. address. The address could point to any memory mapped device i.e. Ram, Rom, Duart, Disk drives etc. Therefore there i
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Should one design a classes from the outside (interfaces first) or inside (data first)? A: From the outside. A superior interface provides a simplified view which is express
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that
traffic light t junction I have 21 LEDs will 6 in each side 3 for the cars the other 3 will be for the people across the street this will be for each side and the last 3 for show
algorithem push and pop
world wide web
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
given integer ''n'' and permutation of numbers 1,2,..n-1, c program to print permutation that lexicograghically precedes given input permutation if permutation is least print input
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