제출 #407075

#제출 시각아이디문제언어결과실행 시간메모리
407075dxz05Detecting Molecules (IOI16_molecules)C++14
컴파일 에러
0 ms0 KiB
#include "molecules.h" #include <bits/stdc++.h> using namespace std; const int MAXN = 5e5 + 3e2; typedef long long ll; pair<ll, int> a[MAXN]; vector<int> find_subset(int l, int u, vector<int> w) { int n = w.size(); for (int i = 0; i < n; i++){ a[i + 1] = make_pair(w[i], i); if (l <= w[i] && w[i] <= u){ return {i}; } } sort(a + 1, a + n + 1); for (int i = 1; i <= n; i++){ vector<int> ans; ll sum = 0; for (int j = i; j <= n; j++){ sum += a[j].first; ans.push_back(a[j].second); if (l <= sum && sum <= r) return ans; } } return vector<int>(0); }

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:31:36: error: 'r' was not declared in this scope
   31 |             if (l <= sum && sum <= r) return ans;
      |                                    ^