Submission #1293074

#	Time	Username	Problem	Language	Result	Execution time	Memory
1293074		trandaihao5555	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	48 ms	3764 KiB

molecules

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

using namespace std;

vector<int> find_subset(int l, int u, vector<int> w) {
    vector<pair<int,int>> a;
    int n = w.size();
    a.resize(n);
    for (int i=0;i<n;i++) a[i] = make_pair(w[i],i);
    sort(a.begin(),a.end());
    vector<int> res;
    long long sum = 0;
    for (int i=0,j=0;i<n;i++) {
        while (j < n && sum < l) sum += a[j++].first;
        if (sum < l) return vector<int>();
        if (sum <= u) {
            for (int k=i;k<j;k++) res.push_back(a[k].second);
            sort(res.begin(),res.end());
            return res;
        }
        sum -= a[i].first;
    }
    return res;
}

//int main() {
//    vector<int> tmp = find_subset(15, 17, {6, 8, 8, 7});
//    cout << "ok\n";
//    for (int x : tmp) cout << x << '\n';
//}

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