제출 #1002560

#제출 시각아이디문제언어결과실행 시간메모리
1002560ocasuDetecting Molecules (IOI16_molecules)C++17
컴파일 에러
0 ms0 KiB
#include "molecules.h" #include <bits/stdc++.h> using namespace std; std::vector<int> find_subset(int l, int u, std::vector<int> z) { vector<pair<int,int>> w(n); for (int i=0; i<n; i++) w[i]={z[i],i}; sort(w.begin(),w.end()); int n=(int)(w.size()); int pre=0, x=0; for (auto i: w){ if (pre+i.first<l) pre+=i.first, x++; } vector<int> ans; if (x==0){ return {w[0].second}; } int sum=pre, nxt=x, prev=0; while (sum<l and nxt<n){ sum-=w[prev].first; sum+=w[nxt].first; nxt++; prev++; } if (sum<l){ return {}; } for (int i=prev; i<nxt; i++){ ans.push_back(w[i].second); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:29: error: 'n' was not declared in this scope
    7 |     vector<pair<int,int>> w(n);
      |                             ^