Submission #61091

#TimeUsernameProblemLanguageResultExecution timeMemory
61091TenuunDetecting Molecules (IOI16_molecules)C++17
9 / 100
4 ms672 KiB
#include "molecules.h" #include<bits/stdc++.h> using namespace std; vector<int> find_subset(int l, int u, std::vector<int> w) { deque<int>res; vector<int>ans; vector<pair<int, int> >v; for(int i=0; i<w.size(); i++){ v.push_back({w[i], i}); } sort(v.rbegin(), v.rend()); long long curr=0; int L=0, r=0; while(L<v.size()){ r=max(r, L); if(L==r){ curr=v[L].first; res.clear(); res.push_back(v[L].second); } while(r+1<v.size() && curr<l){ curr+=v[r+1].first; res.push_back(v[r+1].second); r++; } if(curr>=l && curr<=u){ while(!res.empty()){ ans.push_back(res.front()); res.pop_front(); } return ans; } while(!res.empty() && curr>u){ curr-=v[L].first; res.pop_front(); L++; } if(curr>=l && curr<=u){ while(!res.empty()){ ans.push_back(res.front()); res.pop_front(); } return ans; } L++; } if(curr>=l && curr<=u){ while(!res.empty()){ ans.push_back(res.front()); res.pop_front(); } return ans; } else return ans; }

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<w.size(); i++){
               ~^~~~~~~~~
molecules.cpp:16:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(L<v.size()){
        ~^~~~~~~~~
molecules.cpp:23:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(r+1<v.size() && curr<l){
         ~~~^~~~~~~~~
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