Submission #469889

#	Time	Username	Problem	Language	Result	Execution time	Memory
469889		IvnF	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"

std::vector<long long> find_subset(long long l, long long u, std::vector<long long> w) {
    long long kiri=0, sums=0, n=w.size();
    for(long long i=0;i<n;++i){
        sums+=w[i];
        while(sums > u){
            sums-=w[l++];
        }
        if(sums>=l && sums<=u){
            std::vector<long long>ans;
            for(int j=l;j<=i;++j){
                ans.push_back(j);
            }
            return ans;
        }
    }
}

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:4:15: warning: unused variable 'kiri' [-Wunused-variable]
    4 |     long long kiri=0, sums=0, n=w.size();
      |               ^~~~
molecules.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
   18 | }
      | ^
/usr/bin/ld: /tmp/cc1p0OAO.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