Submission #206353

#	Time	Username	Problem	Language	Result	Execution time	Memory
206353		autumn_eel	Detecting Molecules (IOI16_molecules)	C++14	9 / 100	5 ms	504 KiB

molecules

#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
#include "molecules.h"
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	vector<P>v;
	rep(i,w.size())v.push_back(P(w[i],i));
	sort(v.begin(),v.end(),greater<>());
	ll sum=0;
	vector<int>ans;
	for(auto p:v){
		sum+=p.first;
		ans.push_back(p.second);
		if(l<=sum&&sum<=u){
			return ans;
		}
	}
	return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:2:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i,n)for(int i=0;i<(n);i++)
                              ^
molecules.cpp:10:2: note: in expansion of macro 'rep'
  rep(i,w.size())v.push_back(P(w[i],i));
  ^~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31