Submission #199431

#	Time	Username	Problem	Language	Result	Execution time	Memory
199431		kshitij_sodani	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	1097 ms	760 KiB

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<int> find_subset(int l,int u,vector<int> w){
	vector<pair<int,int>> ww;
	if(l==2147483646){
		while(true){
			llo x=1;
		}
	}
	int n=w.size();
	for(int i=0;i<n;i++){
		ww.pb(mp(w[i],i));
	}
	sort(ww.begin(),ww.end());
 
	int pre[n];
	int s[n];
	pre[0]=ww[0].a;
	for(int i=1;i<n;i++){
		pre[i]=pre[i-1]+ww[i].a;
	}
	s[n-1]=ww[n-1].a;
	for(int i=n-2;i>=0;i--){
		s[i]=s[i+1]+ww[i].a;
	}
	vector<int> ans;
	for(int i=0;i<n;i++){
		if(pre[i]<l and s[n-i-1]>=l){
			int k=1;
			//cout<<i<<endl;
			while(true){
				if(pre[k+i]-pre[k-1]<=u and pre[k+i]-pre[k-1]>=l){
					for(int 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(int j=0;j<i+1;j++){
				ans.pb(ww[j].b);
			}
			break;
		}
	}
	return ans;
}
/*
int main(){

	vector<int> ss=find_subset(2147483646,2147483646,{1073741823,1073741823,1073741823});
	for(int i=0;i<ss.size();i++){
		cout<<ss[i]<<" ";
	}
	cout<<endl;
	return 0;
}*/

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:15:8: warning: unused variable 'x' [-Wunused-variable]
    llo x=1;
        ^

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