제출 #232432

#제출 시각아이디문제언어결과실행 시간메모리
232432UserIsUndefinedDetecting Molecules (IOI16_molecules)C++14
31 / 100
1089 ms776 KiB
#include <bits/stdc++.h> #include "molecules.h" using namespace std; int dp[500005]; std::vector<int> find_subset(int l, int u, std::vector<int> w) { int n = w.size(); dp[0] = 1; int cont = 1; for (int i = 1 ; i <= n ; i++){ int now = w[i-1]; int cont1 = 0; for (int j = w[i-1] ; j <= 500000 ; j++){ if (dp[j])continue; if ((dp[j - w[i - 1]])&&(dp[j- w[i - 1]] != i + 1)){dp[j] = i + 1; cont1++;} if (cont1 == cont)break; } cont+= cont1; } vector<int> ans; int k = -1; for (int i = l ; i <= u ; i++){ if (dp[i] > 0){k = i ; break;} } if (k == -1)return ans; while(k){ ans.push_back(dp[k] - 2); k-= w[dp[k] - 2]; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:19:13: warning: unused variable 'now' [-Wunused-variable]
         int now = w[i-1];
             ^~~
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