Submission #1199690

#TimeUsernameProblemLanguageResultExecution timeMemory
1199690lufychop20171Detecting Molecules (IOI16_molecules)C++20
0 / 100
0 ms328 KiB
#include <bits/stdc++.h> using namespace std; vector<int> find_subset(int l,int u,vector<int> w) { int n=w.size(),j=0; long long sum=0; vector<int> ans; vector<int> v; vector<pair<int,int>> w2; for(int i=0;i<n;i++) { w2.push_back({w[i],i}); } sort(w2.begin(),w2.end()); for(int i=0;i<n;i++) { if(sum+w2[i].first>l) { break; } sum=sum+w2[i].first; v.push_back(i); j++; } for(int i=n-1;i>=v.back();i--) { sum=sum-w2[v[j]].first+w2[i].first; v[j]=i; j++; if(sum>=l) { for(int k=0;k<v.size();k++) { ans.push_back(w2[v[k]].second); } sort(ans.begin(),ans.end()); return ans; } } return {}; }

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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