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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int n,k,maxn,maxx;
  4. struct node{
  5. 	int x,y,z,cnt;
  6. }a[1000001];
  7. struct nod{
  8. 	int x,y,z;
  9.     bool operator<(const nod&s)const{
  10.         if(x!=s.x)return x<s.x;
  11.         if(y!=s.y)return y<s.y;
  12.         return z<s.z;
  13.     }
  14. };
  15. map<nod,int>mp;
  16. int main(){
  17. 	ios::sync_with_stdio(0);
  18. 	cin.tie(0),cout.tie(0);
  19. 	cin>>n>>k;
  20. 	for(int i=1;i<=k;i++){
  21. 		int x,y,z;
  22. 		cin>>x>>y>>z;
  23. 		mp[nod{x,y,z}]++;
  24. 	}
  25. 	int rn=0;
  26. 	for(auto i:mp){
  27. 		a[++rn]=node{i.first.x,i.first.y,i.first.z,i.second};
  28. //		cin>>a[i].x>>a[i].y>>a[i].z;
  29. 	}
  30. 	int c=1<<n;
  31. 	for(int i=0;i<=c;i++){
  32. 		int cnt=0;
  33. 		for(int j=1;j<=rn;j++){
  34. 			int x=((i>>(a[j].x))&1)==1;
  35. 			int y=((i>>(a[j].y))&1)==0;
  36. 			int z=((i>>(a[j].z))&1)==0;
  37. 			if(x&&y&&z)cnt++;
  38. 		}
  39. 		if(cnt>maxn)maxn=cnt,maxx=1;
  40. 		else if(cnt==maxn)maxx++;
  41. 	}
  42. 	cout<<maxn<<' '<<maxx;
  43. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/nWIZKw
language:
C++14 (gcc 8.3)
created:
5 hours ago
visibility:
public

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