제출 #380724

#제출 시각아이디문제언어결과실행 시간메모리
380724madlogicDetecting Molecules (IOI16_molecules)C++17
컴파일 에러
0 ms0 KiB
#include "molecules.h" #include <bits/stdc++.h> using namespace std; std::vector<long long> find_subset(long long l, long long u, std::vector<long long> w) { srand(time(NULL)); long long n = (long long) w.size(); vector<bool> dp(u + 1); dp[0] = true; const long long mxxx = 10000; if (n <= mxxx && u <= mxxx) { vector<long long> par(u + 1); vector<long long> idx(u + 1); for (long long i = 0; i < n; i++) { auto ndp = dp; for (long long j = w[i]; j <= u; j++) { if (!dp[j] && dp[j - w[i]]) { ndp[j] = true; idx[j] = i; par[j] = j - w[i]; } } dp = ndp; } vector<long long> res; for (long long i = l; i <= u; i++) { if (dp[i]) { while (par[i]) { res.push_back(idx[i]); i = par[i]; } res.push_back(idx[i]); break; } } return res; } else { vector<pair<long long, long long>> nums; for (long long i = 0; i < n; i++) { if (w[i] <= u) { nums.emplace_back(w[i], i); } } for (long long i = 0; i < 1000; i++) { if (i == 0) sort(begin(nums), end(nums)); else if (i == 1) sort(rbegin(nums), rend(nums)); else random_shuffle(begin(nums), end(nums)); long long cur = 0; multiset<pair<long long, long long>> ms; for (auto& [x, y] : nums) { cur += x; ms.insert({x, y}); while (cur > u) { long long remove = cur - u; auto lb = ms.lower_bound({remove, -1}); if (lb == ms.end()) { break; } cur -= (*lb).first; ms.erase(lb); } } if (cur < l || cur > u) { return {}; } vector<long long> res; for (auto s : ms) { res.push_back(s.second); } return res; } } return {}; } // long long main() { // long long n, l, r; // cin >> n >> l >> r; // vector<long long> a(n); // for (long long i = 0; i < n; i++) { // cin >> a[i]; // } // for (long long p : find_subset(l, r, a)) { // cout << p << ' '; // } // }

컴파일 시 표준 에러 (stderr) 메시지

/tmp/ccrOfpfb.o: In function `main':
grader.cpp:(.text.startup+0x139): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status