lsiddiqsunny

#include<bits/stdc++.h>
using namespace std;
#define MAX 2000005
class Graph
{
    vector<int>g[MAX];
    int color[MAX];
    long long  in[MAX];
    long long  out[MAX];
    int edges;

lsiddiqsunny

#include<bits/stdc++.h>
using namespace std;
#define mx 200005

vector<int>g[mx];
int visited[mx];
stack<int>s;
void dfs(int u)
{
    visited[u]=1;

lsiddiqsunny

#include<bits/stdc++.h>
using namespace std;
#define mx 200005

vector<int>g[mx];
vector<int>ans; //storing topological sorted vertex

int indegree[mx];

/*int visited[mx];

lsiddiqsunny

#include<bits/stdc++.h>
#define mx 50005
using namespace std;


vector<int>g[mx],rg[mx],path,newg[mx];
int visited[mx],scc[mx];
int numscc;

void dfs1(int s)

lsiddiqsunny

#include<bits/stdc++.h>
using namespace std;

#define mx 100005

vector<int>g[mx];
int visited[mx];
bool articulation[mx];
int low[mx],d[mx],parent[mx];
int t;

lsiddiqsunny

#include<bits/stdc++.h>
using namespace std;
#define mx 500005

int id[mx],n,m;
pair <long long, pair<int, int> > p[mx];
void initialize()
{
    for(int i = 0; i < mx; ++i)
        id[i] = i;

lsiddiqsunny

#include<bits/stdc++.h>
using namespace std;
#define mx 50005
typedef pair<long long int,int> PII;
vector<PII>g[mx];
bool marked[mx];
long long prim(int x)
{
    priority_queue<PII, vector<PII>, greater<PII> > Q;
    int y;