Submission #1282742

#	Time	Username	Problem	Language	Result	Execution time	Memory
1282742		enzy	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> find_subset(int l, int r, vector<int> w){
    int sum=0, at=0;
    vector<pair<int,int>>v;
    for(int i=0;i<w.size();i++) v.push_back({w[i],i});
    sort(v.begin(),v.end());
    for(int i=0;i<v.size();i++){
        sum+=v[i].first;
        while(sum>r){
            sum-=v[at].second();
            at++;
        }
        if(l<=sum&&sum<=r){
            vector<int>resp;
            for(int j=at;j<=i;j++) resp.push_back(v[j].second);
            return resp;
        }
    }
    return {};
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:12:30: error: expression cannot be used as a function
   12 |             sum-=v[at].second();
      |                  ~~~~~~~~~~~~^~
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
      |         ^~~~