Submission #1001576

#	Time	Username	Problem	Language	Result	Execution time	Memory
1001576		vjudge1	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	604 KiB

molecules

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
/// author: LilPluton auuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
#define OPT         ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pb          push_back
#define arr         array
#define vll         vector<int>
#define segment_tree int l=n*2,r=l+1,mid=(b+e)/2
#define fi          first
#define se          second
#define rep(i,j,k)  for(int i = j; i <= k; ++i)
#define all(a)      a.begin(),a.end()
#define pii         pair<int,int>
#define endll       '\n'
using namespace std;
const int N = 1e5 + 5;

vector<int> find_subset(int l, int u, vector<int> w) {
    sort(w.begin(), w.end());
    int n = w.size();
    vector<pii>a(n);
    for(int i = 0; i < n; ++i)
        a[i] = {w[i], i};
    sort(all(a));
    int sum = 0;
    int lb = 0, rb = 0;
    vector<int>ans;
    while(rb <= n)
    {
        if(sum < l)
        {
            if(rb < n)
                sum += a[rb].first, ++rb;
            else
                return {};
        }
        else if(sum > u)
        {
            sum -= a[lb].first;
            ++lb;
        }
        if(sum >= l && sum <= u)
        {
            sum = 0;
            for(int i = lb; i < rb; ++i)
                ans.push_back(a[i].second);
            return ans;
        }
    }
    return ans;
}

Compilation message (stderr)

molecules.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization("unroll-loops")
      |

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