Submission #227603

#	Time	Username	Problem	Language	Result	Execution time	Memory
227603		AASG	Detecting Molecules (IOI16_molecules)	C++11	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
#include "molecules.h"
using namespace std;
 vector<int> find_subset(int l, int u, vector<int> w) {
    int n=w.size();
    vector<pair<long long,int> >r;
    vector<int> rr;
    for(int i=0;i<n;i++){
        r.push_back(make_pair(w[i],i));
    }
    sort(r.begin(),r.end());
    long long rt=0;
    int p1=0,p2=0;bool x=false;
    while(rt<=u && rr.size()<=n){
        if(rt+r[p2].first<u){
                rr.push_back(r[p2].second());
                rt=rt+r[p2].first;
                p2++;
        }
        else {
            rr.pop_front();
            rt=rt-r[p1].first;
            p1++;
        }
        if(rt>=l && rt<=u){x=true;
        break;
        }
    }
    sort(rr.begin(),rr.end());
    if(!x)rr.clear();
    return rr;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:14:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(rt<=u && rr.size()<=n){
                    ~~~~~~~~~^~~
molecules.cpp:16:43: error: expression cannot be used as a function
                 rr.push_back(r[p2].second());
                                           ^
molecules.cpp:21:16: error: 'class std::vector<int>' has no member named 'pop_front'; did you mean 'front'?
             rr.pop_front();
                ^~~~~~~~~
                front