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

Exos

Browse Source
This commit is contained in:
lclerel- lclerel-
2026-03-09 19:35:22 +01:00
commit 09c4873fe3
7 changed files with 493 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
ex0/ft_ft.c Normal file
View File

@@ -0,0 +1,58 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_ft.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 16:50:01 by lclerel- #+# #+# */
/* Updated: 2026/03/09 17:31:41 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);
}*/
void ft_ft(int *nbr)
{
*nbr = 42;
}
/*int main(void)
{
int a;
int *ptr1;
a = 0;
ptr1 = &a;
write(1, "Avant : ", 8);
ft_putnbr(a);
write(1, "\n", 1);
write(1, "Apres : ", 8);
ft_ft(ptr1);
ft_putnbr(*ptr1);
write(1, "\n", 1);
return (0);
}*/

74
ex1/ft_ultimate_ft.c Normal file
View File

@@ -0,0 +1,74 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_ultimate_ft.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 16:52:51 by lclerel- #+# #+# */
/* Updated: 2026/03/09 17:29:03 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);
}*/
void ft_ultimate_ft(int *********nbr)
{
*********nbr = 42;
}
/*int main(void)
{
int a;
int *ptr1;
int **ptr2;
int ***ptr3;
int ****ptr4;
int *****ptr5;
int ******ptr6;
int *******ptr7;
int ********ptr8;
int *********ptr9;
a = 0;
ptr1 = &a;
ptr2 = &ptr1;
ptr3 = &ptr2;
ptr4 = &ptr3;
ptr5 = &ptr4;
ptr6 = &ptr5;
ptr7 = &ptr6;
ptr8 = &ptr7;
ptr9 = &ptr8;
write(1, "Avant : ", 8);
ft_putnbr(a);
write(1, "\n", 1);
write(1, "Apres : ", 8);
ft_ultimate_ft(ptr9);
ft_putnbr(*********ptr9);
write(1, "\n", 1);
return (0);
}*/

68
ex2/ft_swap.c Normal file
View File

@@ -0,0 +1,68 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_swap.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 17:36:15 by lclerel- #+# #+# */
/* Updated: 2026/03/09 17:46:32 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);
}*/
void ft_swap(int *a, int *b)
{
int tmp;
tmp = *a;
*a = *b;
*b = tmp;
}
/*int main(void)
{
int a;
int b;
a = 3;
b = 9;
write(1, "Avant - a: ", 11);
ft_putnbr(a);
write(1, "\n", 1);
write(1, "Avant - b: ", 11);
ft_putnbr(b);
write(1, "\n", 1);
ft_swap(&a, &b);
write(1, "\n", 1);
write(1, "Apres - a: ", 11);
ft_putnbr(a);
write(1, "\n", 1);
write(1, "Apres - b: ", 11);
ft_putnbr(b);
write(1, "\n", 1);
return (0);
}*/

62
ex3/ft_div_mod.c Normal file
View File

@@ -0,0 +1,62 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_div_mod.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 17:52:58 by lclerel- #+# #+# */
/* Updated: 2026/03/09 18:50:17 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);
}*/
void ft_div_mod(int a, int b, int *div, int *mod)
{
*div = a / b;
*mod = a % b;
}
/*int main(void)
{
int a;
int b;
int res_div;
int res_mod;
a = 42;
b = 5;
res_div = 0;
res_mod = 0;
ft_div_mod(a, b, &res_div, &res_mod);
write(1, "Division de 42 par 5 :\n", 23);
write(1, "Quotient : ", 11);
ft_putnbr(res_div);
write(1, "\n", 1);
write(1, "Reste : ", 8);
ft_putnbr(res_mod);
write(1, "\n", 1);
}*/

68
ex4/ft_ultimate_div_mod.c Normal file
View File

@@ -0,0 +1,68 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_ultimate_div_mod.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 18:53:55 by lclerel- #+# #+# */
/* Updated: 2026/03/09 19:05:23 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);
}*/
void ft_ultimate_div_mod(int *a, int *b)
{
int temp_a;
int temp_b;
temp_a = *a;
temp_b = *b;
*a = temp_a / temp_b;
*b = temp_a % temp_b;
}
/*int main(void)
{
int a;
int b;
a = 42;
b = 5;
write(1, "Avant : ", 8);
ft_putnbr(a);
write(1, " et ", 4);
ft_putnbr(b);
write(1, "\n", 1);
ft_ultimate_div_mod(&a, &b);
write(1, "Apres (Div) : ", 14);
ft_putnbr(a);
write(1, "\n", 1);
write(1, "Apres (Mod) : ", 14);
ft_putnbr(b);
write(1, "\n", 1);
return (0);
}*/

76
ex5/ft_rev_int_tab.c Normal file
View File

@@ -0,0 +1,76 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_rev_int_tab.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 19:08:40 by lclerel- #+# #+# */
/* Updated: 2026/03/09 19:23:29 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);
}*/
void ft_rev_int_tab(int *tab, int size)
{
int i;
int temp;
int last;
i = 0;
last = size - 1;
while (i < size / 2)
{
temp = tab[i];
tab[i] = tab[last];
tab[last] = temp;
i++;
last--;
}
}
/*int main(void)
{
int tab[5] = {1, 2, 3, 4, 5};
int size;
size = 5;
write(1, "Avant : 1, 2, 3, 4, 5", 22);
ft_rev_int_tab(tab, size);
write(1, "\n", 1);
write(1, "Apres : ", 8);
ft_putnbr(tab[0]);
write(1, ", ", 2);
ft_putnbr(tab[1]);
write(1, ", ", 2);
ft_putnbr(tab[2]);
write(1, ", ", 2);
ft_putnbr(tab[3]);
write(1, ", ", 2);
ft_putnbr(tab[4]);
write(1, "\n", 1);
return (0);
}*/

87
ex6/ft_sort_int_tab.c Normal file
View File

@@ -0,0 +1,87 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_sort_int_tab.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 19:24:29 by lclerel- #+# #+# */
/* Updated: 2026/03/09 19:34:56 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);
}*/
void ft_sort_int_tab(int *tab, int size)
{
int i;
int temp;
int changed;
changed = 1;
while (changed)
{
changed = 0;
i = 0;
while (i < size -1)
{
if (tab[i] > tab[i + 1])
{
temp = tab[i];
tab[i] = tab[i + 1];
tab[i + 1] = temp;
changed = 1;
}
i++;
}
}
}
/*int main(void)
{
int tab[] = {5, 1, 4, 2, 8, 9, 3, 7, 6};
int size = 9;
ft_sort_int_tab(tab, size);
ft_putnbr(tab[0]);
write(1, ", ", 2);
ft_putnbr(tab[1]);
write(1, ", ", 2);
ft_putnbr(tab[2]);
write(1, ", ", 2);
ft_putnbr(tab[3]);
write(1, ", ", 2);
ft_putnbr(tab[4]);
write(1, ", ", 2);
ft_putnbr(tab[5]);
write(1, ", ", 2);
ft_putnbr(tab[6]);
write(1, ", ", 2);
ft_putnbr(tab[7]);
write(1, ", ", 2);
ft_putnbr(tab[8]);
write(1, "\n ", 1);
return (0);
}*/