Submission #136798

#	Time	Username	Problem	Language	Result	Execution time	Memory
136798		Boxworld	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	67 ms	7160 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vec;
struct node{int val,id;}a[200100];
bool cmp(node x,node y){return x.val<y.val;}
long long s[200100];
vec find_subset(int l,int u,vec w) {
	int n=w.size();
	for (int i=1;i<=n;i++){
		a[i].val=w[i-1];a[i].id=i-1;
	}
	sort(a+1,a+n+1,cmp);
	s[0]=0;
	for (int i=1;i<=n;i++)s[i]=s[i-1]+a[i].val;
	int i=1,j=1;
	while(i<=j&&j<=n){
		if (s[j]-s[i-1]<l)j++;
		else if (s[j]-s[i-1]>u)i++;
		else{
			vector<int> ans;
			for (int k=i;k<=j;k++)ans.push_back(a[k].id);
			return ans;
		}
	}
	vector<int> S;
    return S;
}

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