Submission #151190

#TimeUsernameProblemLanguageResultExecution timeMemory
151190baboLokahian Relics (FXCUP4_lokahia)C++17
0 / 100
3 ms636 KiB
#include <bits/stdc++.h> #define x first #define y second using namespace std; int CollectRelics(int,int); set<pair<int,int> >st,st2; int FindBase(int N){ int i; for(i=0;i<N;i++) { st.insert(make_pair(1,i)); } while(st.size()>=2) { //printf("%d %d %d %d %d\n",st.begin()->y,next(st.begin())->y,st.begin()->x,next(st.begin())->x,CollectRelics(st.begin()->y,next(st.begin())->y)); if(st.begin()->x==next(st.begin())->x) { if(CollectRelics(st.begin()->y,next(st.begin())->y)!=-1) { st.erase(next(st.begin())); st.insert(make_pair(st.begin()->x*2,st.begin()->y)); st.erase(st.begin()); } else { st2.insert(*st.begin()); st.erase(st.begin()); st2.insert(*st.begin()); st.erase(st.begin()); } } else { st2.insert(*st.begin()); st.erase(st.begin()); } } if(st.empty()) return -1; int las=st.begin()->y; //printf("las %d sz %d\n",las,sz[las]); int ans=st.begin()->x; st.erase(st.begin()); for(set<pair<int,int> >::iterator it=st2.begin();it!=st2.end();it++) { int temp=CollectRelics(las,it->y); if(temp!=-1) { las=temp; ans++; } } if(ans>=N%2?N/2+1:N/2) return las; return -1; }
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