Submission #773018

#	Time	Username	Problem	Language	Result	Execution time	Memory
773018		teokakabadze	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	35 ms	5548 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
#define pb push_back
#define f first
#define s second
using namespace std;

int s, e, sum, i;

std::vector<int> find_subset(int l, int u, std::vector<int> a)
{
    vector<int> v;
    vector<pair<int, int>> w;
    int n = a.size();
    for(i = 0; i < n; i++)
    w.pb({a[i], i});
    sort(w.begin(), w.end());
    s = e = 0, sum = w[0].f;
    bool f = 1;
    while(f)
    {
        //cout << s << ' ' << e << ' ' << sum << '\n';
        if(sum >= l && sum <= u)
        {
            int ans = 0;
            for(i = s; i <= e; i++)
            v.pb(w[i].s);
            return v;
        }
        f = 0;
        while(e < n - 1 && sum < l)
        sum += w[++e].f, f = 1;
        while(s < e && sum > u)
        sum -= w[s++].f, f = 1;
    }
    return v;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:25:17: warning: unused variable 'ans' [-Wunused-variable]
   25 |             int ans = 0;
      |                 ^~~

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