No one is going to check my your code ....
Don't submit my code directly to spoj ,,,,,,,Learn from it.......and then
make your own code..
#include<iostream>
#include<vector>
#include<set>
#include<map>
#include<queue>
#include<stack>
#include<string>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<cstdlib>
#include<cassert>
using namespace std;
/* int size=visited.size();
cout<<size<<endl;
for(j=0;i<size;j++)
{
if(visited[w[i][j]]=visited[i])
{
return 1;
}
else if(!visited[w[i][j]])
{
Q.push(w[i][j]);
if(visited[i]==1)
visited[w[i][j]]=2;
else
visited[w[i][j]]=1;
}
}
*/
int bfs(vector<vector<int> > &w ,vector<int> &visited,int start_vertex)
{
int i,j;
queue<int> Q;
Q.push(start_vertex);
visited[start_vertex] =1;
while(!Q.empty())
{
int i = Q.front(); //
get the tail element from queue
Q.pop();
vector<int>::iterator it;
for(it=w[i].begin();it!=w[i].end();it++)
{ //pushing neighbouring nodes of current nodes
if(visited[*it]==visited[i])
return 1;
else if(!visited[*it])
{
Q.push(*it);
if(visited[i]==1)
visited[*it]=2;
else
visited[*it]=1;
}
}
}
return 0;
}
/* Main code starts from here */
int main()
{
int i,j,a,b,N,tc;
int k,check=0;
scanf("%d",&tc);
int p=1;
while(tc--)
{
scanf("%d%d",&N,&k);
if(N==0)
return 0;
vector<vector<int> > w(N,vector<int>(0));
for(i=0;i<k;i++)
{
scanf("%d%d",&a,&b);
w[a-1].push_back(b-1); //v[a-1][j]=b-1
w[b-1].push_back(a-1);
}
vector<int > visit(N,0);
for(i=0;i<N;i++)
{
if(!visit[i])
{
check=bfs(w,visit,i);
if(check==1)
{
printf("Scenario #%d:\nSuspicious bugs
found!\n",p);
p++;
break;
}
}
}
if(check==0)
{
printf("Scenario #%d:\nNo suspicious bugs found!\n",p);
p++;
}
}
return 0;
}
On Mon, Jan 23, 2012 at 2:57 PM, D!leep Gupta <dileep.smil...@gmail.com>wrote:
>
> guys plz help...
> http://www.spoj.pl/problems/BUGLIFE/
>
> i m getting wrong ans can any one give me the test case on which my code
> giving wrong... i m unable to find out
>
> #include<stdio.h>#define MAX 2500int front=-1;int rear=-1;int q[MAX];
> void addq(int n)
> {
> q[++rear]=n;
> }int delq()
> {
> if(front==rear)
> return -1;
> else
> return q[++front];
> }
> int main(){int t,k=0;int num,action,m,n;int i,j;scanf
> <http://www.opengroup.org/onlinepubs/009695399/functions/scanf.html>("%d",&t);while(t--)
> {
> k++;
> front=-1;
> rear=-1;
> int error=0;
> int visit[MAX]={0};
> visit[0]=1;
> scanf
> <http://www.opengroup.org/onlinepubs/009695399/functions/scanf.html>("%d%d",&num,&action);
> int n=num;
> int arr[num][num],a[num];
> for(i=0;i<num;i++)
> {
> a[i]=-2;
> for(j=0;j<num;j++)
> arr[i][j]=0;
> }
> while(action--)
> {
> scanf
> <http://www.opengroup.org/onlinepubs/009695399/functions/scanf.html>("%d%d",&m,&n);
> arr[m-1][n-1]=arr[n-1][m-1]=1;
> }
> int l;
> addq(0);
> while(n--)
> {
>
> if((i=delq())==-1)
> {for(l=0;l<num;l++)
> if(a[l]==-2)
> {
> addq(l);
> n++;
> visit[l]=1;
> break;
> }
> }
> else
> { a[i]=i;
> for(j=i+1;j<num;j++)
> {
> if(arr[i][j] && i!=j)
> {
> if(visit[j]==visit[i])
> {
> error=1;
> break;
> }
> else if(!visit[j])
> {
> visit[j]=-visit[i];
> addq(j);
> }
> }
> }
> }
> if(error) break;
> }
> printf
> <http://www.opengroup.org/onlinepubs/009695399/functions/printf.html>("Scenario
> #%d\n",k);
> if(error)
> printf
> <http://www.opengroup.org/onlinepubs/009695399/functions/printf.html>("Suspicious
> bugs found!\n");
> else printf
> <http://www.opengroup.org/onlinepubs/009695399/functions/printf.html>("No
> suspicious bugs found!\n");
> }return 0;}
>
>
> --
> Dileep Kumar
> 3rd year
> Computer Science & Engineering
> NIT, Allahabad
>
> --
> You received this message because you are subscribed to the Google Groups
> "Algorithm Geeks" group.
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> For more options, visit this group at
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>
--
*Anil Arya,
Computer Science *
*Motilal Nehru National Institute of Technology,Allahabad .
*
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