Submission #1288821

#TimeUsernameProblemLanguageResultExecution timeMemory
1288821Faisal_SaqibFriend (IOI14_friend)C++17
11 / 100
15 ms1704 KiB
#include "friend.h" #include <bits/stdc++.h> using namespace std; const int N=100; set<int> ma[N]; bool edg[N][N]; int findSample(int n,int as[],int host[],int p[]){ int ans=0; for(int i=1;i<n;i++) { int pa=host[i]; if(p[i]==0 or p[i]==2) { ma[pa].insert(i); edg[pa][i]=1; edg[i][pa]=1; ma[i].insert(pa); } if(p[i]==1 or p[i]==2) { for(auto x:ma[pa]) { ma[x].insert(i); ma[i].insert(x); edg[x][i]=edg[i][x]=1; } } } for(int m=0;m<(1<<n);m++) { vector<int> cur; for(int i=0;i<n;i++) { if((m>>i)&1) { cur.push_back(i); } } int sz=cur.size(); int sm=0; bool fal=0; for(int i=0;i<sz;i++) { sm+=as[cur[i]]; for(int j=0;j<i;j++) { if(edg[cur[i]][cur[j]]) { fal=1; } } } if(!fal) { ans=max(ans,sm); } } return ans; }
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