On Sunday, 31 October 2021 at 17:02:00 UTC, Ali Çehreli wrote:
On 10/31/21 9:54 AM, pascal111 wrote:
Hi! I'm C learner and found the high similarity between C and
D, and was converting C code into D
Welcome! :) In case it makes to your use cases, check out
-betterC as well:
https://dlang.org/spec/betterc.html
> but couldn't get the equivalent of this C
statement "srand(time(NULL));".
Just comment that line out. :) D's pseudo-random generators
start randomized by default:
import std.stdio;
import std.random;
void main() {
// Pick a number between [0,10)
writeln(uniform(0, 10));
}
The documentation is at
https://dlang.org/phobos/std_random.html
Ali
Thanks! the code works now:
/* Acey Ducey game,
originally programmed in
BASIC */
// D programming language
import std.stdio;
import core.stdc.stdlib;
import std.ascii;
import core.stdc.string;
import core.stdc.stdio;
import core.time;
import std.conv;
import std.random;
/*
char* card_name(int); // turning cards valuse into strings
function
void no_money_test(ref int); // money = 0 test
*/
// turning cards valuse into strings function
void card_name(int x, ref string c)
{
/* char* c=cast(char*) malloc((strlen("queen")+1)*(char.sizeof));
if(!c){
writeln("A memory allocation failed!");
exit(EXIT_FAILURE);} */
switch (x)
{
case 11:
c="Jack";
break;
case 12:
c="Queen";
break;
case 13:
c="King";
break;
case 14:
c="Ace";
break;
default:
c=to!string(x);
}
}
// money = 0 test
void no_money_test(ref int your_money)
{
char q;
if (your_money == 0)
{
do
{
writeln("Oops! you have no money to bet with,");
write("do you want playing again (y/n)? ");
readf(" %c", &q);
} while ((toLower(q)!='y') &&
(toLower(q)!='n'));
if (toLower(q)=='y') // nasted in 'if money = 0'
{
your_money = 100;
}
else
exit(EXIT_SUCCESS);
} // if money = 0
}
int main()
{
int your_money=100;
int card_A,
card_B, card_C;
string card_A_name,
card_B_name,
card_C_name;
char q;
int bet_much;
//srand(time(NULL));
do // 1st do
{
writeln("You've ", your_money, "$");
// Generating the two cards:
do
{
card_A = uniform(0, 13)+2; //(rand()%13)+2;
card_B = uniform(0, 13)+2;
} while (!((card_B - card_A) > 2) &&
!((card_A==2)&&(card_B==14)));
card_name(card_A, card_A_name);
card_name(card_B, card_B_name);
writeln("Here are your two cards: ", card_A_name, " ",
card_B_name);
// Betting query:
card_C = uniform(0, 13)+2;
do
{
write("Do you'll bet (y/n/e = (exit))? ");
readf(" %c", &q);
} while ((toLower(q)!='y') &&
(toLower(q)!='n') &&
(toLower(q)!='e'));
// agreeing betting
if (toLower(q)=='y')
{
do
{
write("With how much? ");
readf(" %d", &bet_much);
if (bet_much>your_money)
{
writeln("You don't have this much to bet with,");
writeln("you have ", your_money, "$");
}
} while (!(bet_much<=your_money));
if ((card_C>=card_A) && (card_C<=card_B)) // following agreeing
betting 'if'
{
card_name(card_C, card_C_name);
writeln("You are right! ");
writeln("3rd card is: ", card_C_name);
your_money+=bet_much;
}
else
{
card_name(card_C, card_C_name);
writeln("Oops! you are wrong!");
writeln("3rd card is: ", card_C_name);
your_money-=bet_much;
}
}
else // 'else if' of agreeing betting 'if'
if(toLower(q)=='e')
exit(0);
else // considered final 'else' of agreeing betting 'if'
writeln("CHICKEN!!!");
// Your money = 0 test
no_money_test(your_money);
} while (true); // 1st do
return 0;
}
// C version of the same game
/* Acey Ducey game,
originally programmed in
BASIC */
#include <iostream>
#include <cstdlib>
#include <string>
#include <cctype>
#include <cstring>
#include <cstdio>
using namespace std;
char *card_name(int); // turning cards valuse into strings
function
void no_money_test(int&); // money = 0 test
int main(void)
{
int your_money=100;
int card_A,
card_B, card_C;
char q;
int bet_much;
srand(time(NULL));
do // 1st do
{
cout << "You've "
<< your_money
<< "$" << endl;
// Generating the two cards:
do
{
card_A = (rand()%13)+2;
card_B = (rand()%13)+2;
} while (!((card_B - card_A) > 2) &&
!((card_A==2)&&(card_B==14)));
cout << "Here are your two cards: "
<< card_name(card_A) << " "
<< card_name(card_B) << endl;
// Betting query:
card_C = (rand()%13)+2;
do
{
cout << "Do you'll bet (y/n/e = (exit))? ";
cin >> q;
} while ((tolower(q)!='y') &&
(tolower(q)!='n') &&
(tolower(q)!='e'));
// agreeing betting
if (tolower(q)=='y')
{
do
{
cout << "With how much? ";
cin >> bet_much;
if (bet_much>your_money)
{
cout << "You don't have this much to bet with,"
<< endl << "you have " << your_money << "$"
<< endl;
}
} while (!(bet_much<=your_money));
if ((card_C>=card_A) && (card_C<=card_B)) // following agreeing
betting 'if'
{
cout << "You are right! " << endl
<< "3rd card is: "
<< card_name(card_C) << endl;
your_money+=bet_much;
}
else
{
cout << "Oops! you are wrong!" << endl
<< "3rd card is: "
<< card_name(card_C) << endl;
your_money-=bet_much;
}
}
else // 'else if' of agreeing betting 'if'
if(tolower(q)=='e')
exit(0);
else // considered final 'else' of agreeing betting 'if'
cout << "CHICKEN!!!" << endl;
// Your money = 0 test
no_money_test(your_money);
} while (true); // 1st do
return 0;
}
// turning cards valuse into strings function
char *card_name(int x)
{
char *c=(char *) malloc((strlen("queen")+1)*sizeof(char));
if(!c){
cerr << "A memory allocation failed!"
<< endl;
exit(EXIT_FAILURE);}
switch (x)
{
case 11:
strcpy(c,"Jack");
break;
case 12:
strcpy(c,"Queen");
break;
case 13:
strcpy(c,"King");
break;
case 14:
strcpy(c,"Ace");
break;
default:
sprintf(c,"%d",x);
}
return c;
}
// money = 0 test
void no_money_test(int& your_money)
{
char q;
if (your_money == 0)
{
do
{
cout << "Oops! you have no money to bet with,"
<< endl << "do you want playing again (y/n)? ";
cin >> q;
} while ((tolower(q)!='y') &&
(tolower(q)!='n'));
if (tolower(q)=='y') // nasted in 'if money = 0'
{
your_money = 100;
}
else
exit(EXIT_SUCCESS);
} // if money = 0
}
