Imperial roads Gym - 101889I

 https://cn.vjudge.net/problem/Gym-101889I

两种边分开写!!

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
//#include
using namespace std;

#define sfi(i) scanf("%d",&i)
#define sfl(i) scanf("%I64d",&i)
#define sfs(i) scanf("%s",(i))
#define pri(i) printf("%d\n",i)
#define prl(i) printf("%I64d\n",i)
#define sff(i) scanf("%lf",&i)
#define ll long long
#define ull unsigned long long
#define mem(x,y) memset(x,y,sizeof(x))
#define INF 0x3f3f3f3f
#define eps 1e-10
#define PI acos(-1.0)
#define lowbit(x) ((x)&(-x))
#define fl() printf("flag\n")
#define MOD(x) ((x%mod)+mod)%mod
#define endl '\n'
#define pb push_back
#define lson (rt<<1)
#define rson (rt<<1|1)
#define FAST_IO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0)

templateinline void read(T &x)
{
    x=0;
    static int p;p=1;
    static char c;c=getchar();
    while(!isdigit(c)){if(c=='-')p=-1;c=getchar();}
    while(isdigit(c)) {x=(x<<1)+(x<<3)+(c-48);c=getchar();}
    x*=p;
}

//-----------------------------------------------

const int maxn=2e5+9;
const int mod=1e9+7;

struct E
{
    int from;
    int to;
    int w;
}edge1[maxn<<1];

struct EE
{
    int to,w,nex;
}edge2[maxn<<1];

bool cmp(E a,E b)
{
    return a.w=0;i--)
    {
        if((1<=0;i--)
    {
        if(fa[x][i]!=fa[y][i])
        {
            ans=max(ans,Max[x][i]);
            ans=max(ans,Max[y][i]);
            x=fa[x][i];
            y=fa[y][i];

        }
    }

    return max(ans,max(Max[x][0],Max[y][0]));
}

void init(int n)
{
    for(int i=0;i<=100000;i++) p[i]=i;

    tot1=0;
    mem(head2,-1);
    tot2=0;

    mem(fa,0);
    mem(Max,0);
    deep[1]=0;
}

map,int>mp;
int main()
{
    FAST_IO;
    //freopen("input.txt","r",stdin);

    int n,m,q;
    cin>>n>>m;

    init(n);

    for(int i=0;i>u>>v>>w;
        addedge1(u,v,w);
        mp[{u,v}]=w;
        mp[{v,u}]=w;
    }

    int ans=kur();

    fa[1][0]=0;
    dfs(1,0);
    for(int j=1;j<=20;j++)
    {
        for(int i=1;i<=n;i++)
        {
            fa[i][j]=fa[fa[i][j-1]][j-1];
            Max[i][j]=max(Max[i][j-1],Max[fa[i][j-1]][j-1]);
        }
    }

    //cout<>q;
    while(q--)
    {
        int u,v;
        cin>>u>>v;

        if(fa[u][0]==v||fa[v][0]==u)
        {
            cout<

 

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