# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
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199412 | 2020-02-01T10:17:41 Z | kshitij_sodani | Detecting Molecules (IOI16_molecules) | C++17 | 0 ms | 0 KB |
#include <iostream> #include <bits/stdc++.h> #include "molecules.h" using namespace std; typedef long long int llo ; #define mp make_pair #define pb push_back #define a first #define b second vector<llo> find_subset(llo l,llo u,vector<llo> w){ vector<pair<llo,llo>> ww; llo n=w.size(); for(int i=0;i<n;i++){ ww.pb(mp(w[i],i)); } sort(ww.begin(),ww.end()); llo pre[n]; llo s[n]; pre[0]=ww[0].a; for(llo i=1;i<n;i++){ pre[i]=pre[i-1]+ww[i].a; } s[n-1]=ww[n-1].a; for(llo i=n-2;i>=0;i--){ s[i]=s[i+1]+ww[i].a; } vector<llo> ans; for(llo i=0;i<n;i++){ if(pre[i]<l and s[n-i-1]>=l){ llo k=1; //cout<<i<<endl; while(true){ if(pre[k+i]-pre[k-1]<=u and pre[k+i]-pre[k-1]>=l){ for(llo j=k;j<k+i+1;j++){ ans.pb(ww[j].b); } break; } else{ k+=1; } } break; } else if(pre[i]>=l and pre[i]<=u){ for(llo j=0;j<i+1;j++){ ans.pb(ww[j].b); } break; } } return ans; } /* llo main(){ vector<llo> ss=find_subset(15,17,{6,8,8,7}); for(llo i=0;i<ss.size();i++){ cout<<ss[i]<<" "; } cout<<endl; return 0; }*/