Submission #199411

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
199411	2020-02-01T10:16:25 Z	kshitij_sodani	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KB

molecules

#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;
	for(int i=0;i<w.size();i++){
		ww.pb(mp(w[i],i));
	}
	sort(ww.begin(),ww.end());
	llo n=w.size();
	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;
}*/

Compilation message

molecules.cpp: In function 'std::vector<long long int> find_subset(llo, llo, std::vector<long long int>)':
molecules.cpp:13:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<w.size();i++){
              ~^~~~~~~~~
/tmp/ccZyRF50.o: In function `main':
grader.cpp:(.text.startup+0x152): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status