Submission #1205483

#	Time	Username	Problem	Language	Result	Execution time	Memory
1205483		trimkus	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	36 ms	4132 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
// #define LOCAL
#ifndef LOCAL
#include "molecules.h"


#endif
using ll = long long;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int N = (int)w.size();
    vector<array<int, 2>> a;
    for (int i = 0; i < N; ++i) {
		a.push_back({w[i], i});
	}
	sort(begin(a), end(a));
	int left = 0;
	ll sum = 0;
	vector<int> res;
	for (int i = 0; i < N; ++i) {
		sum += a[i][0];
		while (sum > u) {
			sum -= a[left][0];
			left++;
		}
		if (sum >= l && sum <= u) {
			for (int j = left; j <= i; ++j) {
				res.push_back(a[j][1]);
			}
			sort(begin(res), end(res));
			return res;
		}
	}
	return {};
}

#ifdef LOCAL 

/*
 
 
4 15 17
6 8 8 7


4 14 15
5 5 6 6


4 10 20
15 17 16 18
*/

#include <cstdio>
#include <vector>
#include <cassert>
int main() {
    int n, l, u;
    assert(3 == scanf("%d %d %d", &n, &l, &u));
    std::vector<int> w(n);
    for (int i = 0; i < n; i++)
        assert(1 == scanf("%d", &w[i]));
    std::vector<int> result = find_subset(l, u, w);
    
    
    printf("%d\n", (int)result.size());
    for (int i = 0; i < (int)result.size(); i++)
        printf("%d%c", result[i], " \n"[i == (int)result.size() - 1]);
}

#endif

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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