Submission #1306020

#	Time	Username	Problem	Language	Result	Execution time	Memory
1306020		not_suprised__	Detecting Molecules (IOI16_molecules)	C++20	Compilation error	0 ms	0 KiB

molecules

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <climits>
#include <stack>
#include <map>
#include <unordered_set>
#include <cmath>
#include <iomanip>
#include <bitset>
#include <queue>
using namespace std;
#define int long long
#define pii pair<int, int>
#define fi first
#define se second
#define all(a) begin(a), end(a)
#define pb push_back
#define nl '\n'
#define sz(x) (int)x.size()
#define in insert
#define speed ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define ppb pop_back
#define ld long double
const int N = 2e5 + 10;
const int mod = 998244353;
int gcd(int a, int b) {
    if(!b) return a;
    return gcd(b, a % b);
}
const int C = 1e9 + 10;
const int INF = LLONG_MAX;
bitset<N> b;
void solve() {
    int n, l, r;
    cin >> n >> l >> r;
    vector<int> a(n);
    int need = -1;
    b[0] = 1;
    for(int i = 0; i < n; i++) cin >> a[i], b <<= a[i];
    for(int i = l; i <= r; i++) {
        if(b[i]) {
            need = i;
            break;
        }
    }
    if(need == -1) {
        cout << "-1\n";
        return;
    }
    vector<int> ans;
    for(int i = 0; i < n; i++) {
        b >>= a[i];
        if(!b[need]) {
            ans.pb(i);
            need -= a[i];
        }
    }
    for(int i : ans) cout << i << ' '; cout << nl;
}
signed main() {
    speed;
    int T = 1;
    //cin >> T;
    for(int _ = 0; _ < T; _++)
        solve();
}
/*
4
amir rima amin nim

 */

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
/usr/bin/ld: /tmp/cc1bfvGU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccmGByYx.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc1bfvGU.o: in function `main':
grader.cpp:(.text.startup+0x165): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status