제출 #1271866

#제출 시각아이디문제언어결과실행 시간메모리
1271866kiteyuDetecting Molecules (IOI16_molecules)C++20
100 / 100
32 ms6076 KiB
#include<bits/stdc++.h>
#include "molecules.h"

#define fi first
#define se second
using namespace std;
using ll=long long;
const int N=2e5;
pair<ll,int>a[N+5];

vector<int> find_subset(int l,int u,vector<int> w){
    int n=(int)w.size();
    for(int i=0;i<n;++i){
        a[i].fi=w[i];
        a[i].se=i;
    }
    sort(a,a+n);
//    for(int i=0;i<n;++i){
//        cout<<a[i].fi<<' '<<a[i].se<<'\n';
//    }
    int i=n-1;
    ll s=0;
    vector<int>v;
    for(;i>=0;--i){
        s+=a[i].fi;
        v.push_back(i);
        if(s>=l) break;
    }
//    for(int i:v) cout<<i<<' '<<a[i].se<<'\n';
//    cout<<'\n';

    int i1=i;
    int j=0;
    for(i=0;i<i1;++i){
        if(j>=(int)v.size())break;
        if(l<=s&&s<=u) break;
        s-=a[v[j]].fi;
        v[j]=i;
        j++;
        s+=a[i].fi;
    }
    if(l<=s&&s<=u){
    for(int &i:v) i=a[i].se;
    return v;
    }
    v.clear();
    return v;
}
//int n,l,u;
//vector<ll> w;
//
//
//int main(){
//    cin>>l>>u;
//    for(int x;cin>>x;++n){
//        w.push_back(x);
//    }
//    vector<int> ans=find_subset(l,u,w);
//    for(int i:ans) cout<<i<<' ';
//    return 0;
//}

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
      |         ^~~~
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