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need some help from someone who knows C (real basic stuff)
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Topic: need some help from someone who knows C (real basic stuff) (Read 1750 times)
BeefEater
Newbie
Posts: 6
Rated:
need some help from someone who knows C (real basic stuff)
«
on:
December 10, 2004, 12:38:08 PM »
I know at least some of you guys are really into programing. My freind has this program for class. He found the code on the internet and wants to just submit it, but he wants to change it alittle so it doesnt look so plagerized (switch variables and stuff like that) and add comments. The problem is he cant really write C and it has been so long since I have that I dont want to screw it up. If someone more competant than I has a few minutes to fix up this code I would appreciate it. In case your worried about the legality of this all, the code was provided free of an copyright, so the only infringement would be his honor code violation. Thanks in advance, Dave.
**********************************************************
#include
#include
#include
#include
#include
#define MAX 10
struct link
{
int freq;
char ch[MAX];
struct link* right;
struct link* left;
};
typedef struct link node;
void sort(node *[], int);
node* create(char[], int);
void sright(node *[], int);
void Assign_Code(node*, int [], int);
void Delete_Tree(node *);
main()
{
node* ptr;
int i, n, total = 0, u, c[15];
char str[MAX];
node* a[12];
int freq;
printf( "Huffman Algorithm\n");
printf( "Copyright (C) 2003 Pradeep P Chandiramani -PCD-\n" );
printf( "Huffman Algorithm comes with ABSOLUTELY NO WARRANTY;\n");
printf( "This is free software, and you are welcome\n" );
printf( "to redistribute it under GNU GENERAL PUBLIC LICENSE\n" );
printf( "For details read gpl.txt included with installation.\n\n" );
printf( "Press any Key to continue..." );
getch();
printf("\nEnter the number of of variables:");/*input the no. of letters*/
scanf("%d", &n);
for (i = 0; i < n; i++)
{
printf("Enter the variable & probability");/*input the letter & frequency*/
scanf("%s %d", str, &freq);
a
= create(str, freq);
}
while (n > 1)
{
sort(a, n);
u = a[0]->freq + a[1]->freq;
strcpy(str,a[0]->ch);
strcat(str,a[1]->ch);
ptr = create(str, u);
ptr->right = a[1];
ptr->left = a[0];
a[0] = ptr;
sright(a, n);
n--;
}
Assign_Code(a[0], c, 0);
getch();
}
node* create(char a[], int x)
{
node* ptr;
ptr = (node *) malloc(sizeof(node));
ptr->freq = x;
strcpy( ptr->ch , a);
ptr->right = ptr->left = NULL;
return(ptr);
}
void sort(node* a[], int n)
{
int i, j;
node* temp;
for (i = 0; i < n - 1; i++)
for (j = i; j < n; j++)
if (a
->freq > a[j]->freq)
{
temp = a
;
a
= a[j];
a[j] = temp;
}
}
void sright(node* a[], int n)
{
int i;
for (i = 1; i < n - 1; i++)
a
= a[i + 1];
}
void Assign_Code(node* tree, int c[], int n)
{
int i;
if ((tree->left == NULL) && (tree->right == NULL))
{
printf("%s code:", tree->ch);
for (i = 0; i < n; i++)
{
printf("%d", c
);
}
printf("\n");
}
else
{
c[n] = 1;
n++;
Assign_Code(tree->left, c, n);
c[n - 1] = 0;
Assign_Code(tree->right, c, n);
}
}
void Delete_Tree(node * root)
{
if(root!=NULL)
{
Delete_Tree(root->left);
Delete_Tree(root->right);
free(root);
}
}
/* END of NON Graphical Routines*/
/* Start of Graphical Routines*/
Logged
formally BeefEater[BURP] --> many, many moons ago
BeefEater
Newbie
Posts: 6
Rated:
need some help from someone who knows C (real basic stuff)
«
Reply #1 on:
December 11, 2004, 09:53:40 AM »
disreguard...took care of it
Logged
formally BeefEater[BURP] --> many, many moons ago
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need some help from someone who knows C (real basic stuff)
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July 24, 2024, 01:31:20 PM
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Yotematoi
July 24, 2024, 01:25:59 PM
hi ya está la basura de Martin, se cambió el nombre es un ladron estupido, asi llegó a 10000[img]<iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fzoloyoze.torito%2Fposts%2Fpfbid03hZrkDUBJPZKCuFgy5hRUy831ekKJYVRzC7ajXaKQbJ6xcPgKftLukUDfovFyEq3l&show_text
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Yotematoi
July 24, 2024, 01:25:59 PM
hi ya está la basura de Martin, se cambió el nombre es un ladron estupido, asi llegó a 10000[img]<iframe src="https://www.facebook.com/plugins/post.php?href=https%3A%2F%2Fwww.facebook.com%2Fzoloyoze.torito%2Fposts%2Fpfbid03hZrkDUBJPZKCuFgy5hRUy831ekKJYVRzC7ajXaKQbJ6xcPgKftLukUDfovFyEq3l&show_text
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[BTF]Jehar
July 19, 2024, 04:28:08 PM
http://forum.tastyspleen.net/quake/index.php?topic=23579.msg238738#msg238738
ts500 comin!
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