How to resolve the algorithm 99 bottles of beer step by step in the C++ programming language
Published on 7 June 2024 03:52 AM
How to resolve the algorithm 99 bottles of beer step by step in the C++ programming language
Table of Contents
Problem Statement
Display the complete lyrics for the song: 99 Bottles of Beer on the Wall.
The lyrics follow this form: ... and so on, until reaching 0 (zero). Grammatical support for 1 bottle of beer is optional. As with any puzzle, try to do it in as creative/concise/comical a way as possible (simple, obvious solutions allowed, too).
Let's start with the solution:
Step by Step solution about How to resolve the algorithm 99 bottles of beer step by step in the C++ programming language
Source Code 1:
- for Loop: This is the most straightforward approach. It uses a
for
loop to iterate through the bottle count and print the song lyrics line by line.
Source Code 2:
- Template Metaprogramming: This code uses template metaprogramming to generate the song lyrics at compile time. This approach is more efficient than the
for
loop approach as it doesn't require any runtime iteration.
Source Code 3:
- Recursive Function: This code uses a recursive function to generate the song lyrics. The function recursively calls itself to print the lyrics for smaller bottle counts until the base case is reached (when the bottle count is 0).
Source Code 4:
- Preprocessor Macros: This code uses preprocessor macros to define the lyrics as a text template. The preprocessor then expands the macros and generates the final song lyrics at compile time.
Source Code 5:
- C-Style String Manipulation: This code uses C-style string manipulation to dynamically create the song lyrics. It uses a nested loop structure to iterate through the bottle count and build the歌詞string line by line.
Source Code 6:
- Artistic: This is a creative interpretation of the song lyrics using ASCII art and clever text formatting. It's not intended to be a practical implementation but rather a fun and visually appealing representation of the song.
Source code in the cpp programming language
#include <iostream>
using std::cout;
int main()
{
for(int bottles(99); bottles > 0; bottles -= 1){
cout << bottles << " bottles of beer on the wall\n"
<< bottles << " bottles of beer\n"
<< "Take one down, pass it around\n"
<< bottles - 1 << " bottles of beer on the wall\n\n";
}
}
#include <iostream>
template<int max, int min> struct bottle_countdown
{
static const int middle = (min + max)/2;
static void print()
{
bottle_countdown<max, middle+1>::print();
bottle_countdown<middle, min>::print();
}
};
template<int value> struct bottle_countdown<value, value>
{
static void print()
{
std::cout << value << " bottles of beer on the wall\n"
<< value << " bottles of beer\n"
<< "Take one down, pass it around\n"
<< value-1 << " bottles of beer\n\n";
}
};
int main()
{
bottle_countdown<100, 1>::print();
return 0;
}
#include <iostream>
template<unsigned int N> void bottles(){
std::cout << N << " bottles of beer on the wall\n"
<< N << " bottles of beer\n"
<< "Take one down, pass it around\n"
<< N - 1 << " bottles of beer on the wall\n\n";
bottles<N-1>();
}
template<> void bottles<0>(){
std::cout<<"No more bottles of beer on the wall\n"
"No more bottles of beer\n"
"Go to the store and buy some more\n"
"99 bottles of beer on the wall...\n\n";
}
int main(){
bottles<99>();
}
#include <iostream>
using namespace std;
void rec(int bottles)
{
if ( bottles!=0)
{
cout << bottles << " bottles of beer on the wall" << endl;
cout << bottles << " bottles of beer" << endl;
cout << "Take one down, pass it around" << endl;
cout << --bottles << " bottles of beer on the wall\n" << endl;
rec(bottles);
}
}
int main()
{
rec(99);
system("pause");
return 0;
}
#include <iostream>
#include <ostream>
#define BOTTLE(nstr) nstr " bottles of beer"
#define WALL(nstr) BOTTLE(nstr) " on the wall"
#define PART1(nstr) WALL(nstr) "\n" BOTTLE(nstr) \
"\nTake one down, pass it around\n"
#define PART2(nstr) WALL(nstr) "\n\n"
#define MIDDLE(nstr) PART2(nstr) PART1(nstr)
#define SONG PART1("100") CD2 PART2("0")
#define CD2 CD3("9") CD3("8") CD3("7") CD3("6") CD3("5") \
CD3("4") CD3("3") CD3("2") CD3("1") CD4("")
#define CD3(pre) CD4(pre) MIDDLE(pre "0")
#define CD4(pre) MIDDLE(pre "9") MIDDLE(pre "8") MIDDLE(pre "7") \
MIDDLE(pre "6") MIDDLE(pre "5") MIDDLE(pre "4") MIDDLE(pre "3") \
MIDDLE(pre "2") MIDDLE(pre "1")
int main()
{
std::cout << SONG;
return 0;
}
//>,_
//Beer Song>,_
#include <iostream>
using namespace std;
int main(){ for( int
b=-1; b<99; cout <<
'\n') for ( int w=0;
w<3; cout << ".\n"){
if (w==2) cout << ((
b--) ?"Take one dow"
"n and pass it arou"
"nd":"Go to the sto"
"re and buy some mo"
"re"); if (b<0) b=99
; do{ if (w) cout <<
", "; if (b) cout <<
b; else cout << (
(w) ? 'n' : 'N') <<
"o more"; cout <<
" bottle" ; if
(b!=1) cout <<
's' ; cout <<
" of beer";
if (w!=1)
cout <<
" on th"
"e wall"
;} while
(!w++);}
return
0
;
}
//
// by barrym 2011-05-01
// no bottles were harmed in the
// making of this program!!!
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