Submission #411312

#	Time	Username	Problem	Language	Result	Execution time	Memory
411312		hibye1217	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	2 ms	272 KiB

molecules

#include "molecules.h"
#include <vector>
#include <algorithm>
#include <iostream>
using ll = long long;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    sort(w.begin(), w.end());
	std::vector<int> emp;
    int n = w.size();
    ll sum = 0, mn = 1e15;
    for (ll x : w){ sum += x; mn = std::min(mn, x); }
    if (u < mn || sum < l){ return emp; }
    int st = 0, ed = 0; sum = w[0];
    while (1){
    	//std::cout << "CHK " << st << ' ' << ed << ' ' << sum << std::endl;
		if (l <= sum && sum <= u){
			std::vector<int> res;
			for (int i = st; i <= ed; i++){ res.push_back(i); }
			return res;
		}
		if (sum < l){
			if (ed+1 == n){ break; }
			ed += 1;
			sum += w[ed];
		}
		else{
			if (st+1 > ed){ break; }
			sum -= w[st];
			st += 1;
		}
    }
    return emp;
}

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