Submission #88346

#	Time	Username	Problem	Language	Result	Execution time	Memory
88346		amiratou	Detecting Molecules (IOI16_molecules)	C++14	19 / 100	3 ms	692 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> ans;
void process(int j,int i){
	for (int idx = j; idx <= i ; ++idx)
		ans.push_back(idx);
}
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	for (int i = 1; i < w.size(); ++i)
		w[i]+=w[i-1];
	for (int i = 0; i < w.size(); ++i)
	{
		if(w[i]>=l&&w[i]<=u){
			process(0,i);
			return ans;
		}
		else if(w[i]>u){
			auto search=lower_bound(w.begin(),w.begin()+i,w[i]-l);
			if(search==w.begin()+i) continue;
			if((w[i]-*search)>=l&&(w[i]-*search)<=u){
				process((search-w.begin())+1,i);
				return ans;
			}
		}
	}
    return vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:10:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 1; i < w.size(); ++i)
                  ~~^~~~~~~~~~
molecules.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < w.size(); ++i)
                  ~~^~~~~~~~~~

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