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Ajout d'un fichier c, tentative de faire l'exo 4 (help Georges) (jc)

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John Charron 2010-11-16 19:39:22 +01:00
parent 391f887a2b
commit 64b4c3074b
1 changed files with 148 additions and 0 deletions
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148
exo4-codage-lisp/couples.c Normal file
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#include <stdio.h>
#include <stdlib.h>
int pair(int x){
return (!(x % 2));
}
int code_couples_very_slow(int _x, int _y){
int x, y;
x = y = 0;
int code = 0;
char direction = 'r'; // 'l' pour "left-down", 'r' pour "right-up"
printf("In the 'couples' function\n");
sleep(1);
while(((x != _x) || (y != _y))){
if((y == 0) && (pair(x))){
printf("IF1:\n");
sleep(1);
x++;
code++;
direction = 'l';
printf("IF N° 1, x = %d, y = %d, code = %d\n", x, y, code);
sleep(1);
}
else if((x == 0) && (!pair(y))){
printf("IF2:\n");
sleep(1);
y++;
code++;
direction = 'r';
printf("IF N° 2, x = %d, y = %d, code = %d\n", x, y, code);
sleep(1);
}
else if((y == 0) && (direction == 'l')){
printf("IF3:\n");
sleep(1);
while((x != 0) && ((x != _x) || (y != _y))){
printf("WHILE3:\n");
sleep(1);
x--;
y++;
code++;
printf("IF N° 3, x = %d, y = %d, code = %d\n", x, y, code);
sleep(1);
}
}
else if((x == 0) && (direction == 'r')){
printf("IF4:\n");
sleep(1);
while((y != 0) && ((x != _x) || (y != _y))){
printf("WHILE4:\n");
sleep(1);
x++;
y--;
code++;
printf("IF N° 4, x = %d, y = %d, code = %d\n", x, y, code);
sleep(1);
}
}
}
return code;
}
int code_couples_slow(int _x, int _y){
int x, y;
x = y = 0;
int code = 0;
char direction = 'r'; // 'l' pour "left-down", 'r' pour "right-up"
while(((x != _x) || (y != _y))){
if((y == 0) && (pair(x))){
x++;
code++;
direction = 'l';
}
else if((x == 0) && (!pair(y))){
y++;
code++;
direction = 'r';
}
else if((y == 0) && (direction == 'l')){
while((x != 0) && ((x != _x) || (y != _y))){
x--;
y++;
code++;
}
}
else if((x == 0) && (direction == 'r')){
while((y != 0) && ((x != _x) || (y != _y))){
x++;
y--;
code++;
}
}
}
return code;
}
int code_couples_faster(int _x, int _y){
int x, y;
x = y = 0;
int code = 0;
int incr_int = 0;
char direction = 'r'; // 'l' pour "left-down", 'r' pour "right-up"
while(((x != _x) || (y != _y))){
if((y == 0) && (pair(x))){
x++;
code++;
incr_int++;
direction = 'l';
}
else if((x == 0) && (!pair(y))){
y++;
code++;
incr_int++;
direction = 'r';
}
else if((y == 0) && (direction == 'l')){
while((x != 0) && ((x != _x) || (y != _y))){
x--;
y++;
code++;
}
}
else if((x == 0) && (direction == 'r')){
while((y != 0) && ((x != _x) || (y != _y))){
x++;
y--;
code++;
}
}
}
return code;
}
int main(int argc, char **argv, char **envp){
printf("hello\n");
int code = 0;
int x, y, z;
x = 11;
y = 5;
//z = -2;
code = code_couples_slow(x,y);
printf("Le code du couple (%d, %d) est %d\n", x, y, code);
}