Submission #114550

#	Time	Username	Problem	Language	Result	Execution time	Memory
114550		wilwxk	Detecting Molecules (IOI16_molecules)	C++11	100 / 100	59 ms	7164 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MAXN=2e5+5;
pair<ll, int> v[MAXN];
vector<int> resp;
ll L, R;
int n;

vector<int> find_subset(int u, int l, vector<int> w) {
	L=u; R=l;
	int n=w.size();
	for(int i=1; i<=n; i++) v[i]={w[i-1], i-1};
	sort(v+1, v+1+n);

	int ind=1;
	ll soma=0;
	for(int i=1; i<=n; i++) {
		soma+=v[i].first;
		while(soma>R&&ind<i) soma-=v[ind++].first;
		if(L<=soma&&soma<=R) {
			//printf("achou!! %d %d\n", ind, i);
			for(int j=ind; j<=i; j++) resp.push_back(v[j].second);
			break;
		}
	}

	if(resp.size()) sort(resp.begin(), resp.end());
    return resp;
}

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