제출 #881089

#제출 시각아이디문제언어결과실행 시간메모리
881089skywwlaKnapsack (NOI18_knapsack)C++17
49 / 100
1063 ms12500 KiB
#include <bits/stdc++.h> using namespace std ; using ll = long long ; const int maxN = 5005, M = 1e5 + 5 ; const ll mod = 1e9 + 7 ; int S , N, V[M], W[M], K[M] ; vector<unordered_map<int,ll>> dp(M) ; ll solve(int i, int j) { if (i == N) return 0ll ; if (dp[i].count(j)) return dp[i][j] ; ll ret = 0 ; for (ll c = 0 ; c <= K[i] && c * W[i] <= j ; c++) { ret = max(ret, solve(i + 1, j - c * W[i]) + c * V[i]) ; } dp[i][j] = ret ; return ret ; } int32_t main() { ios::sync_with_stdio(false) ; cin.tie(nullptr) ; cin >> S >> N ; for (int i = 0 ; i < N ; i++) { cin >> V[i] >> W[i] >> K[i] ; } cout << solve(0, S) ; return 0 ; }
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