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Hello all,
I am trying to solve 315 by finding articulation points, but I stuck in a case where I am not sure root should be declare as articulation point even though it has more than two descendants. Is it always necessary to declare root as articulation point in this case. In fact, I think we are ...

thanx sir,
though I have solve the problem,,
thanx very much

Hi all,
I tried to solve 725 "Division" problem but i m getting wrong answer.
I am posting my code. Please give me some more test cases, so that i can find my error.

thanx very much..

Hi all,
I am really frustrated, :( I am always getting WA...... I have tried all the test cases which can be related with a set...... but i m not getting what to do...... please help me......

#include<iostream>
#include<set>
#include<string>
#include<algorithm>
#include<cstdio>

using namespace ...

hello all,
i have solved 400, but it is accepted with presentation error.... can anyone tell me what's the problem the problem.......

Please tell me..... what's wrong........
thanx.....

hi all,
I dont understand why is it not working......


#include<iostream>
#include<string>
#include<cstdio>

using namespace std;

int main()
{
string a[100],c,d;
char b[100],f[100];
int x[100],j,k,max=0,sum,i=0,y=0;
while(1)
{
cin>>a ;
if(a [0]=='0')
break;
x =a .length();
i++;
}
for ...

hi all,
i am trying to solve 191 Intersection in C++ but I am getting WA. I have considered as much cases as I could. My code is:-

#include<iostream>
using namespace std;

int check(float,float,float,float,float,float);


int main()
{
int N,i=0;
cin>>N;
float m,c,x,y;
int xstart,xend,ystart ...