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Kruskal's algorithm in C

Awful Aardvark answered on April 25, 2022 Popularity 9/10 Helpfulness 6/10

answer Kruskal's algorithm in C

related Kruskal's algorithm in C

Kruskal's algorithm in C

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#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
int i,j,k,a,b,u,v,n,ne=1;
int min,mincost=0,cost[9][9],parent[9];
int find(int);
int uni(int,int);
void main()
{
	clrscr();
	printf("\n\tImplementation of Kruskal's algorithm\n");
	printf("\nEnter the no. of vertices:");
	scanf("%d",&n);
	printf("\nEnter the cost adjacency matrix:\n");
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
		{
			scanf("%d",&cost[i][j]);
			if(cost[i][j]==0)
				cost[i][j]=999;
		}
	}
	printf("The edges of Minimum Cost Spanning Tree are\n");
	while(ne < n)
	{
		for(i=1,min=999;i<=n;i++)
		{
			for(j=1;j <= n;j++)
			{
				if(cost[i][j] < min)
				{
					min=cost[i][j];
					a=u=i;
					b=v=j;
				}
			}
		}
		u=find(u);
		v=find(v);
		if(uni(u,v))
		{
			printf("%d edge (%d,%d) =%d\n",ne++,a,b,min);
			mincost +=min;
		}
		cost[a][b]=cost[b][a]=999;
	}
	printf("\n\tMinimum cost = %d\n",mincost);
	getch();
}
int find(int i)
{
	while(parent[i])
	i=parent[i];
	return i;
}
int uni(int i,int j)
{
	if(i!=j)
	{
		parent[j]=i;
		return 1;
	}
	return 0;
}

Popularity 9/10 Helpfulness 6/10 Language c

Source: scanftree.com

Tags: algorithm c

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Contributed on Apr 25 2022

Awful Aardvark

0 Answers Avg Quality 2/10

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Kruskal's algorithm in C

Comment

    #include <stdio.h>
    #include <conio.h>
    #include <stdlib.h>
    int i,j,k,a,b,u,v,n,ne=1;
    int min,mincost=0,cost[9][9],parent[9];
    int find(int);
    int uni(int,int);
    void main()
    {
    	printf("\n\tImplementation of Kruskal's Algorithm\n");
    	printf("\nEnter the no. of vertices:");
    	scanf("%d",&n);
    	printf("\nEnter the cost adjacency matrix:\n");
    	for(i=1;i<=n;i++)
    	{
    	for(j=1;j<=n;j++)
    	{
    	scanf("%d",&cost[i][j]);
    	if(cost[i][j]==0)
    	cost[i][j]=999;
    	}
    	}
    	printf("The edges of Minimum Cost Spanning Tree are\n");
    	while(ne < n)
    	{
    	for(i=1,min=999;i<=n;i++)
    	{
    	for(j=1;j <= n;j++)
    	{
    	if(cost[i][j] < min)
    	{
    	min=cost[i][j];
    	a=u=i;
    	b=v=j;
    	}
    	}
    	}
    	u=find(u);
    	v=find(v);
    	if(uni(u,v))
    	{
    	printf("%d edge (%d,%d) =%d\n",ne++,a,b,min);
    	mincost +=min;
    	}
    	cost[a][b]=cost[b][a]=999;
    	}
    	printf("\n\tMinimum cost = %d\n",mincost);
    	getch();
    }
    int find(int i)
    {
    	while(parent[i])
    	i=parent[i];
    	return i;
    }
    int uni(int i,int j)
    {
    	if(i!=j)
    	{
    	parent[j]=i;
    	return 1;
    	}
    	return 0;
    }

Popularity 8/10 Helpfulness 3/10 Language c

Source: www.mycplus.com

Tags: c algorithm algorith

Link to this answer
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Contributed on Apr 25 2022

Awful Aardvark

0 Answers Avg Quality 2/10

Kruskal's algorithm in C

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