Getting WA for Fill the matrix

https://www.codechef.com/LRNDSA08/problems/FILLMTR

    #include <bits/stdc++.h>
    using namespace std;
    typedef unsigned long long ll;
    #define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    vector<vector<ll>> edges;
    ll parent[100100], nrank[100100];
    ll color[100100];

    ll findSet(ll v){
        if(v==parent[v]){
            return v;
        }
        parent[v] = findSet(parent[v]);
        return parent[v];
    }

    void unionSet(ll u,ll v){
        ll pu = findSet(u);
        ll pv = findSet(v);
        if(pu!=pv){
            if(nrank[pu]>nrank[pv]){
                ll temp = pv;
                pv=pu;
                pu=temp;
            }
            parent[pu]=pv;
            if(nrank[pu]==nrank[pv]){
                nrank[pv]++;
            }
        }
    }

    bool checkcycle(ll N){
        for(ll i=0;i<N;i++){
            color[i]=-1;
        }

        for(ll i=0;i<edges.size();i++){
            ll u = edges[i][0];
            ll v = edges[i][1];
            u = findSet(u);
            v = findSet(v);
            if(u==v){
                return true;
            }
            if(color[u]==-1 && color[v]==-1){
                color[u]=0;
                color[v]=1;
            }else if (color[u]==-1 && color[v]!=-1){
                color[u]=!color[v];
            }else if(color[v]==-1 && color[u]!=-1){
                color[v]=!color[u];
            }else if(color[v]==color[u]){
                return true;
            }
        }
        return false;
    }

    int main() {
        fastio
        ll T;
        cin>>T;
        while(T--){
            ll N,Q;
            cin>>N>>Q;
            for(ll i=0;i<N;i++){
                edges.clear();
                parent[i]=i;
                nrank[i]=0;
            }
            while (Q--){
                ll i,j,v;
                cin>>i>>j>>v;
                if(v){
                    edges.push_back({i,j});
                }else{
                    unionSet(i,j);
                }
            }
            if(checkcycle(N)){
                cout<<"no"<<"\n";
            }else{
                cout<<"yes"<<"\n";
            }
        }
        return 0;
    }

please someone help me to get AC

1
3 3
1 2 1
2 1 3
3 3 0

Should give no, yours will give yes!
You are not checking if edge between same vertices have consistent weights.

weight can only be 1 or 0