add comments in code like what for loop doing what and other functions #include #include /* ADJACENCY MATRIX int source,V,E,time,visited[20],G[20][20]; void DFS(int i) { int j; visited[i]=1; printf(" %d->",i+1); for(j=0;j
add comments in code like what for loop doing what and other functions
#include <stdio.h>
#include <stdlib.h>
/* ADJACENCY MATRIX
int source,V,E,time,visited[20],G[20][20];
void DFS(int i)
{
int j;
visited[i]=1;
printf(" %d->",i+1);
for(j=0;j<V;j++)
{
if(G[i][j]==1&&visited[j]==0)
DFS(j);
}
}
int main()
{
int i,j,v1,v2;
printf("\t\t\tGraphs\n");
printf("Enter the no of edges:");
scanf("%d",&E);
printf("Enter the no of vertices:");
scanf("%d",&V);
for(i=0;i<V;i++)
{
for(j=0;j<V;j++)
G[i][j]=0;
}
/* creating edges :P */
for(i=0;i<E;i++)
{
printf("Enter the edges (format: V1 V2) : ");
scanf("%d%d",&v1,&v2);
G[v1-1][v2-1]=1;
}
for(i=0;i<V;i++)
{
for(j=0;j<V;j++)
printf(" %d ",G[i][j]);
printf("\n");
}
printf("Enter the source: ");
scanf("%d",&source);
DFS(source-1);
return 0;
}
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