Submission #1209990

#	Time	Username	Problem	Language	Result	Execution time	Memory
1209990		anfi	Detecting Molecules (IOI16_molecules)	C++20	100 / 100	36 ms	4132 KiB

molecules

#include"molecules.h"
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second

vector<int> find_subset(int l, int u, vector<int> a){
    int n = a.size();
    vector<pair<int,int>> wawi;
    for(int i = 0; i < n; i++) wawi.push_back({a[i], i});
    sort(wawi.begin(), wawi.end());

    long long ll = 0, rr = 0,sum = 0;
    while(ll < n){
        while(rr < n && sum < l) sum += wawi[rr++].fi;
        if(l <= sum && sum <= u){
            vector<int> ans;
            for(int i = ll; i < rr; i++) ans.push_back(wawi[i].se);
            return ans;
        }
        sum -= wawi[ll++].fi;
        if(l <= sum && sum <= u){
            vector<int> ans;
            for(int i = ll; i < rr; i++) ans.push_back(wawi[i].se);
            return ans;
        }
    }
    return vector<int>();
}

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