well friends i have to write a program which generates all combination of 1,2,3, plz give me some hints coz i have to submit it 17th jan
well friends i have to write a program which generates all combination of 1,2,3, plz give me some hints coz i have to submit it 17th jan
How would you methodically generate all the combinations by hand?
Look up a C++ Reference and learn How To Ask Questions The Smart WayOriginally Posted by Bjarne Stroustrup (2000-10-14)
Plan it out on paper like laserlight suggested. When you have the correct formular, ( use a calculator if it helps ) then write some puescode.
Double Helix STL
will u plz give me some example
No, we will not do your homework for you. Give it a try and post your non-working code.
lol...Code:#include <iostream> using namespace std; int main() { cout << "123" << endl; cout << "132" << endl; cout << "321" << endl; cout << "312" << endl; cout << "213" << endl; cout << "231" << endl; return 0; }
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Yup, the manual way is the best way.Originally Posted by Sentral
ERROR: Brain not found. Please insert a new brain!
“Do nothing which is of no use.” - Miyamoto Musashi.
*cough* combination, not permutation *cough*
Look up a C++ Reference and learn How To Ask Questions The Smart WayOriginally Posted by Bjarne Stroustrup (2000-10-14)
So,Code:#include <iostream> using namespace std; int main() { cout << "123" << endl; cout << "132" << endl; cout << "213" << endl; cin.get(); return 0; }
> plz give me some hints
Well do what laserlight suggested.
Like 123 is
1 + all combinations of 23
2 + all combinations of 13
3 + all combinations of 12
Rinse and repeat with some recursion - should be pretty obvious.
If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
If at first you don't succeed, try writing your phone number on the exam paper.
thanx frnd
Which would mean an answer would be more like this:Originally Posted by laserlight
Of course I doubt he actually meant combination, as he didn't state how many items to pick, only what to pick from.Code:#include <iostream> using namespace std; int main() { cout << "" << endl; cout << "1" << endl; cout << "2" << endl; cout << "3" << endl; cout << "12" << endl; cout << "13" << endl; cout << "23" << endl; cout << "123" << endl; }