Submission #737078

#	Time	Username	Problem	Language	Result	Execution time	Memory
737078		josanneo22	Detecting Molecules (IOI16_molecules)	C++17	100 / 100	57 ms	5560 KiB

molecules

#include<bits/stdc++.h>
using namespace std;

#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second 

#include "molecules.h"
int n;
pair<int, int> elem[200200];
 
vector<int> find_subset(int l, int u, vector<int> w) {
    n = (int) w.size();
    for (int i = 0; i < n; i++) {
        elem[i] = pair<int, int>(w[i], i);
    }
    sort(elem, elem + n);
    long long e = 0, sum = 0;
    for (int i = 0; i < n; i++) {
        while (e < n && sum < l) sum += elem[e++].first;
        if (sum >= l && sum <= u) {
            vector<int> r;
            for (int j = i; j < e; j++) r.push_back(elem[j].second);
            sort(r.begin(), r.end());
            return r;
        }
        sum -= elem[i].first;
    }
    return vector<int>();
}

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