Submission #526983

#	Time	Username	Problem	Language	Result	Execution time	Memory
526983		lcs147	Detecting Molecules (IOI16_molecules)	C++98	Compilation error	0 ms	0 KiB

molecules

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

vector<int>find_subset(int l, int r, vector<int> w) {
    if(l > r) return {};

    int n = w.size();
    vector<vector<bool>>pd(n+1, vector<bool>(r));
    for(int i=l; i<=r; i++) pd[n][i] = true;
    for(int i=n-1; i>=0; i--) {
        for(int j=0; j<=r; j++) {
            pd[i][j] = pd[i+1][j];
            if(j + w[i] <= r) pd[i][j] = (pd[i+1][j] || pd[i+1][j+w[i]]);
        }
    }

    int i=0, j=0;
    vector<int>res;
    while(i<n) {
        if(!pd[i][j]) return {};
        if(pd[i][j] != pd[i+1][j]) {
            res.push_back(i);
            j += w[i];
        }
        i++;
    }
    return res;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cckhOlUl.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