제출 #1262320

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1262320		scalifrastico_098	Detecting Molecules (IOI16_molecules)	C++20	컴파일 에러	0 ms	0 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> find_subset(int l, int u, vector<int> w){
    long long k=0, f=0; int n=w.size(); vector<int> o, a; bool sp=true;
    for(int i=0; i<n; i++){if(w[i]!=w[0])sp=false;}
    if(!sp)
    {
        vector<pair<int, int>> a(n+1); vector<int> g; int y=0, l1=0, f1=0, ij=0; bool t=false; 
        for(int i=0; i<n; i++){a[i].first=w[i]; a[i].second=i;} sort(a.begin(), a.end());
        while(ij<n)
        {
            y+=a[ij].first; ij++; if(y>u){y-=a[l1].first; l1++;} if(y>=l&&y<=u){t=true; f1=i; break;}
        }
        if(t)for(int i=0; i<f; i++)g.push_back(a[i].second); 
        return g; 
    }
    else
    {
        for(long long i=1; i<=n; i++)
        {
            if(w[0]*i>=l&&w[0]*i<=u){f=i; break;} 
        }
        for(long long i=0; i<f; i++)o.push_back(i);
        return o;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:92: error: 'i' was not declared in this scope
   13 |             y+=a[ij].first; ij++; if(y>u){y-=a[l1].first; l1++;} if(y>=l&&y<=u){t=true; f1=i; break;}
      |                                                                                            ^
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
      |         ^~~~