Submission #244131

#	Time	Username	Problem	Language	Result	Execution time	Memory
244131		dCoding	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	5 ms	384 KiB

molecules

#include "bits/stdc++.h"
#include "molecules.h"

#define F0R(i,n) for(auto i = 0; i < (n); i++)
#define FOR(i,a,b) for(auto i = (a); i <= (b); i++)
#define ROF(i,a,b) for(auto i = (a); i >= (b); i--)
#define pb push_back
#define vi vector<int> 
#define pii pair<int,int>
#define F first
#define S second
#define ll long long

using namespace std;

vi find_subset(int l,int u,vi w) {
	vector<pii> a;
	int n = w.size();
	F0R(i,n) {
		a.pb(make_pair(w[i],i));
	}
	sort(a.begin(),a.end());
	ll pre[n];
	pre[0] = a[0].F;
	FOR(i,1,n-1) pre[i] = pre[i-1]+a[i].F;
	vi ans;
	int lo = 0, hi = n-1;
	bool found = false;


	while(lo <= hi && lo >= 0 && hi < n) {
		ll sum = pre[hi]-pre[lo]+a[lo].F;
		if(sum >= l and sum <= u) {	
			found = true;
			break;
		}
		if(sum < u) lo++;
		else hi--;
	}

	if(!found)return ans;
	FOR(i,lo,hi) ans.pb(a[i].S+1);
	return ans; 
}

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