42-Paris/C-Characters-Arithmetics
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Exos

Browse Source
This commit is contained in:
lclerel- lclerel-
2026-03-06 10:56:11 +01:00
commit a29ece5577
4 changed files with 216 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
ex0/ft_putnbr.c Normal file
View File

@@ -0,0 +1,42 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_putnbr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/05 13:17:20 by lclerel- #+# #+# */
/* Updated: 2026/03/06 10:25:12 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_putnbr(int nb)
{
char value;
if (nb == -2147483648)
{
write(1, "-2147483648", 11);
return ;
}
if (nb < 0)
{
write(1, "-", 1);
nb = -nb;
}
if (nb > 9)
{
ft_putnbr(nb / 10);
}
value = nb % 10 + '0';
write(1, &value, 1);
}
/*int main(void)
{
ft_putnbr(42);
ft_putnbr(-2147483647);
return (0);
}*/

52
ex1/ft_print_comb.c Normal file
View File

@@ -0,0 +1,52 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_print_comb.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/05 09:00:24 by lclerel- #+# #+# */
/* Updated: 2026/03/06 10:26:18 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void print(char a, char b, char c)
{
write(1, &a, 1);
write(1, &b, 1);
write(1, &c, 1);
if (!(a == '7' && b == '8' && c == '9'))
write(1, ", ", 2);
}
void ft_print_comb(void)
{
char a;
char b;
char c;
a = '0';
while (a <= '7')
{
b = a + 1;
while (b <= '8')
{
c = b + 1;
while (c <= '9')
{
print(a, b, c);
c++;
}
b++;
}
a++;
}
}
int main(void)
{
ft_print_comb();
return (0);
}

50
ex2/ft_print_comb2.c Normal file
View File

@@ -0,0 +1,50 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_print_comb2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/05 13:45:48 by lclerel- #+# #+# */
/* Updated: 2026/03/05 19:09:34 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void print(char a, char space, char b)
{
write(1, &"0123456789"[a / 10], 1);
write(1, &"0123456789"[a % 10], 1);
write(1, &space, 1);
write(1, &"0123456789"[b / 10], 1);
write(1, &"0123456789"[b % 10], 1);
if (!(a == 98 && b == 99))
write(1, ", ", 2);
}
void ft_print_comb2(void)
{
char space;
char a;
char b;
space = ' ';
a = 0;
while (a <= 98)
{
b = a + 1;
while (b <= 99)
{
print(a, space, b);
b++;
}
a++;
}
}
/*int main(void)
{
ft_print_comb2();
return (0);
}*/

72
ex3/ft_print_combn.c Normal file
View File

@@ -0,0 +1,72 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_print_combn.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/05 19:08:08 by lclerel- #+# #+# */
/* Updated: 2026/03/05 19:08:53 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_put_tab(int *tab, int n)
{
int i;
char c;
i = 0;
while (i < n)
{
c = tab[i] + '0';
write(1, &c, 1);
i++;
}
if (tab[0] != (10 - n))
{
write(1, ", ", 2);
}
}
void ft_recursive(int *tab, int n, int pos, int start)
{
int i;
if (pos == n)
{
ft_put_tab(tab, n);
return ;
}
i = start;
while (i <= 9)
{
tab[pos] = i;
ft_recursive(tab, n, pos + 1, i + 1);
i++;
}
}
void ft_print_combn(int n)
{
int tab[10];
if (n > 0 && n < 10)
{
ft_recursive(tab, n, 0, 0);
}
}
/*int main(void)
{
write(1, "Test n = 2 :\n", 13);
ft_print_combn(2);
write(1, "\n\n", 2);
write(1, "Test n = 3 :\n", 13);
ft_print_combn(3);
write(1, "\n\n", 2);
write(1, "Test n = 9 :\n", 13);
ft_print_combn(9);
write(1, "\n\n", 2);
}*/