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checkBipartiteDFS.cpp
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#include<bits/stdc++.h>
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
bool bipartiteDfs(int node, vector<int> adj[], int color[]){
for(auto it:adj[node]){
if(color[it]==-1){
color[it] =1-color[node];
if(!bipartiteDfs(it, adj, color)){
return false;
}
}
else if(color[it]==color[node])
return false;
}
return true;
}
bool checkBipartite(vector<int> adj[], int n){
int color[n];
memset(color,-1, sizeof(color));
for(int i=0; i<n; i++){
if(color[i]==-1){
color[i] =1;
if(!bipartiteDfs(i,adj,color)){
return false;
}
}
}
return true;
}
int main(){
int n,m;
cin>>n>>m;
vector<int>adj[n];
for(int i=0;i<m;i++){
int u,v;
cin>>u>>v;
adj[u].push_back(v);
adj[v].push_back(u);
}
if(checkBipartite(adj,n)){
cout<<"Yes";
}
else{
cout<<"No";
}
return 0;
}