Submission #434908

#	Time	Username	Problem	Language	Result	Execution time	Memory
434908		ToroTN	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
#include "molecules.h"
long long it=-1,sum=0,type;
vector<long long> emptyvec;
vector<pair<long long,long long> > v;
std::vector<long long> find_subset(long long l, long long u, std::vector<long long> w) {
    for(int i=0;i<w.size();i++)
    {
        v.push_back(make_pair(w[i],i));
    }
    for(int i=0;i<v.size();i++)
    {
        sum+=v[i].first;
        if(sum>=l)
        {
            if(sum<=u)
            {
                for(int j=0;j<=i;j++)
                {
                    emptyvec.push_back(v[j].second);
                }
                return emptyvec;
            }
            it=i;
            break;
        }
    }
    if(it==-1)
    {
        return emptyvec;
    }
    for(int i=1;i<v.size();i++)
    {
        type=-1;
        sum-=v[i-1].first;
        if(sum>=l)
        {
            if(sum<=u)
            {
                for(int j=i-1;j<=it;j++)
                {
                    emptyvec.push_back(v[j].second);
                }
                return emptyvec;
            }
            continue;
        }
        for(int j=it+1;j<v.size();j++)
        {
            sum+=v[j].first;
            if(sum>=l)
            {
                if(sum<=u)
                {
                    for(int k=i;i<=j;i++)
                    {
                        emptyvec.push_back(v[k].second);
                    }
                    return emptyvec;
                }
                type=0;
                break;
            }
        }
        if(type==-1)
        {
            return emptyvec;
        }
    }
    return emptyvec;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<long long int> find_subset(long long int, long long int, std::vector<long long int>)':
molecules.cpp:8:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i=0;i<w.size();i++)
      |                 ~^~~~~~~~~
molecules.cpp:12:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
molecules.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for(int i=1;i<v.size();i++)
      |                 ~^~~~~~~~~
molecules.cpp:49:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for(int j=it+1;j<v.size();j++)
      |                        ~^~~~~~~~~
/usr/bin/ld: /tmp/ccjBayf5.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status