c++ code

**evanice** · 03-19-2017

Hi can some one tell me what's wrong here its not showing the results that should be

Code:

for(int s=0; s<n; s++){		 		cout<< "for the custmor " << s << "his neighbors in the increasing distance order are : " << endl;
	for(int b=1; b<n;b++){
		for (int w=0; w<n; w++)		
			if(s!=w)	
				for (int i=1; i<=b ;i++){
					if(vect[s][i]!=w){ 
					for(int m=w+1;m<n; m++)
						if(s!=m){
						for (int i=1; i<=b ;i++){
						if (vect[s][i]!=m){ 
							if(dis[s][w]<dis[s][m]){
								if(dis[s][w]<distance){	
									voi=w;
									distance=dis[s][w]; }}
						   else if(dis[s][w]>dis[s][m]){
								if(dis[s][m]<distance){	
									voi=m;
									distance=dis[s][m]; }}}}
						vect[s][b]=voi;}}}
		 cout << vect[s][b] <<endl;}}

**GReaper** · 03-19-2017

What does this do and what's wrong with the results?

**evanice** · 03-19-2017

it display for each custmor his neighbors in the increasing order of distance , for example here the distance between the custmor 0 and 1 is 6.32 and the distance between 0 and 2 is 3.6 , so te neighbors of the custmor 0 in the increasing order of distance are 2 then 1
but you see here it always show that the neighbors are 2 for all the custmors what should i do ? plz some one give me an idea

**stahta01** · 03-19-2017

I give you one suggestion learn how to indent your code!

Tim S.

**algorism** · 03-20-2017

It is unusual to have 11 levels of nested control structures, including 6 nested loops. Whenever your code gets that complicated you should consider that you might be overcomplicating things.

If I understand your task correctly, the following algorithm might work:

Code:

for each row in the distance matrix:
   copy the distances and indices to a temp array
   sort the temp array by the distances
   print the saved indices of the temp array in order
       (except where the index equals the current row index
        or, equivalently, except where the distance is 0)

Even if you write your own sort, this shouldn't take more than 3 levels of loops. If you use std::sort it will take just 2 levels.

**MutantJohn** · 03-20-2017

Too much nesting!!!

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