Submission #31813

#	Time	Username	Problem	Language	Result	Execution time	Memory
31813		top34051	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
#define maxn 200005

int m;
long long sum[maxn];
pair<int,int> p[maxn];

int find_subset(int l, int u, int* w, int n, int* result) {
    int i,j;
    for(i=0;i<n;i++) p[i] = {w[i],i};
    sort(&p[0],&p[n]);
    for(i=0,j=0;i<n;i++) {
        sum[i] = sum[i-1] + p[i].first;
        while(j<=i && sum[i]-sum[j-1]>u) j++;
        if(sum[i]-sum[j-1]>=l) {
            while(j<=i) {
                result[m++] = p[j].second;
                j++;
            }
            return m;
        }
    }
    return 0;
}

Compilation message (stderr)

/tmp/ccFBllBI.o: In function `main':
grader.cpp:(.text.startup+0x152): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status