제출 #995686

#제출 시각아이디문제언어결과실행 시간메모리
995686kokoueDetecting Molecules (IOI16_molecules)C++14
31 / 100
1101 ms14960 KiB
#include<bits/stdc++.h> using namespace std; set<long long> is; unordered_map<long long,long long> idx; vector<int> find_subset(int l,int u,vector<int> w) { int n=w.size(); is.insert(0); idx[0]=0; int sum=0; bool fl=0; for(int i=0;i<n;i++) { for(auto it=is.rbegin();it!=is.rend();it++) { long long e=*it; if(is.find(e+w[i])==is.end()) { is.insert(e+w[i]); idx[e+w[i]]=i; if(e+w[i]>=l && e+w[i]<=u) { sum=e+w[i]; fl=1; break; } } } if(fl) break; } vector<int> res; while(sum!=0) { res.push_back(idx[sum]); sum-=w[idx[sum]]; } return res; }
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