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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. typedef long long int ll;
  4. #define endl '\n'
  5. #define rep(i,n) for(int i=0;i<n;i++) 
  6.  
  7. const ll N=2*10e5+5;
  8. vector<ll> adj[N];
  9. ll n,m;
  10. vector<ll> vis(N,false);
  11. vector<ll> w(N);
  12. vector<ll> res[N];
  13. void dfs(ll i,ll p)
  14. {
  15. 	vis[i]=true;
  16. 	for(auto x:adj[i])
  17. 	{
  18. 		if(!vis[x])
  19. 		{
  20. 			res[p].push_back(x);
  21. 			dfs(x,p);
  22. 		}
  23. 	}
  24. }
  25. void solve()
  26. {
  27.  
  28. 	cin>>n>>m;
  29. 	for(int i=0;i<n;i++)
  30. 	{
  31. 		cin>>w[i];
  32. 		vis[i]=false;
  33. 	}
  34. 	for(int i=0;i<m;i++)
  35. 	{
  36. 		ll u,v;
  37. 		cin>>u>>v;
  38. 		u--;
  39. 		v--;
  40. 		adj[u].push_back(v);
  41. 		adj[v].push_back(u);
  42. 	}
  43. 	for(int i=0;i<n;i++)
  44. 	{
  45. 		if(!vis[i])
  46. 		{
  47. 			res[i].push_back(i);
  48. 			dfs(i,i);
  49. 		}
  50. 	}
  51. 	ll maxe=0;
  52. 	ll maxo=0;
  53. 	ll maxsize=0;
  54. 	ll pos=0;
  55. 	for(int i=0;i<n;i++)
  56. 	{
  57. 		if(res[i].size()>0)
  58. 		{
  59. 			if(maxsize<res[i].size())
  60. 			{
  61. 				maxsize=res[i].size();
  62. 				pos=i;
  63. 			}
  64. 		}
  65. 	}
  66. 	for(auto x:res[pos])
  67. 	{
  68. 		ll val=x;
  69. 		if(__builtin_popcountll(w[val])%2==0)
  70. 		{
  71. 			maxe++;
  72. 		}
  73. 		else
  74. 		{
  75. 			maxo++;
  76. 		}
  77. 	}
  78. /*	cout<<"maxe "<<maxe<<endl;
  79. 	cout<<"maxo "<<maxo<<endl;
  80. 	for(int i=0;i<n;i++)
  81. 	{
  82. 		for(auto x:res[i])
  83. 		{
  84. 			cout<<x+1<<" ";
  85. 		}
  86. 		cout<<endl;
  87. 	}*/
  88. 	ll q;
  89. 	cin>>q;
  90. 	while(q--)
  91. 	{
  92. 		ll val,k;
  93. 		cin>>val>>k;
  94. 		if(val==1)
  95. 		{
  96. 			if(__builtin_popcountll(k)%2==0)
  97. 			{
  98. 				cout<<maxo<<endl;
  99. 			}
  100. 			else
  101. 			{
  102. 				cout<<maxe<<endl;
  103. 			}
  104. 		}
  105. 		else
  106. 		{
  107. 			if(__builtin_popcountll(k)%2==0)
  108. 			{
  109. 				cout<<maxe<<endl;
  110. 			}
  111. 			else
  112. 			{
  113. 				cout<<maxo<<endl;
  114. 			}
  115.  
  116. 		}
  117. 	}
  118.  
  119. }
  120.  
  121. int main() 
  122. { 
  123. 	ios_base::sync_with_stdio(false);
  124.     cin.tie(NULL);	
  125. 	int t;
  126. 	cin>>t;
  127. 	while(t--)
  128. 	{
  129. 		solve();
  130. 		for(int i=0;i<n;i++)
  131. 		{
  132. 			adj[i].clear();
  133. 			res[i].clear();
  134. 		}
  135. 		vis.clear();
  136. 		w.clear();
  137.  
  138. 	}
  139. } 
  140.  
  141.  
Runtime error #stdin #stdout 0.04s 128228KB
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https://ideone.com/8kyfVp
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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