제출 #1139670

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1139670		AmirMakaM	Detecting Molecules (IOI16_molecules)	C++20	컴파일 에러	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;
#define ull unsigned long long
#define ll long long
#define ld long double
#define pb push_back
#define f first
#define s second 
#define sz(x) (int)x.size()
#define all(x) x.begin(),x.end()
#define pii pair<int,int> 
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define pdd pair<double,double>
#define mp make_pair   
#define AmirMakaM ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
// solve it
const ull SEED = chrono::steady_clock::now().time_since_epoch().count();
mt19937_64 mrand(SEED);
ull rnd(ull x = ~(0ull)) {return mrand() % x;} 
const ll MOD = 998244353;
const ll INF = 1e16+20;
const int inf = 1e9 + 7;
const ll N = 1e4+5;
const ll M = 2e3+1;
const double pi = 2*acos(0.0);
const int dx[] = {1,-1,0,0}, dy[] = {0,0,1,-1};

vector<int> find_subset(int l, int r, vector<int> w) {
    int dp[r+1] = {};
    for(int i=1; i<=sz(w); i++) {
        for(int j=r; j>=0; j--) {
            if((j == 0 || dp[j]!=0) && j+w[i-1]<=r) {
                dp[j+w[i-1]] = i; 
            }
        }
    }

    vector<int> ans;
    int cur = 0;
    for(int i=l; i<=r; i++) {
        if(dp[i]) {
            cur = i;
            break;
        }
    }

    if(!cur) return ans;

    for(int i=cur; i>0; i-=w[dp[i]-1]) {
        ans.pb(dp[i]-1);
    }
    return ans;
}

//#ifndef ONLINE_JUDJE

int main() {
    AmirMakaM;
    srand(SEED);
    
    int n, l, r;
    cin >> n >> l >> r;
    vector<int> w(n);
    for(int i=1; i<=n; i++) {
        cin >> w[i-1];
    }

    vector<int> ans = find_subset(l,r,w);
    for(int x:ans) cout << w[x] << " ";

    return 0;
}

//#endif

컴파일 시 표준 에러 (stderr) 메시지

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/ccRs7UUJ.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccNptKh0.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status