Submission #1188618

#TimeUsernameProblemLanguageResultExecution timeMemory
1188618abcd1234Knapsack (NOI18_knapsack)C++20
73 / 100
1093 ms484 KiB
#include <iostream> #include <vector> #include <queue> using namespace std; using ll = long long; int main() { int s, n; cin >> s >> n; vector<priority_queue<ll, vector<ll>, greater<ll>>> store(s + 1); ll v; int w, k; for(int i = 0; i < n; i++) { cin >> v >> w >> k; int j = min(k, s / w); while(j > 0) { store[w].push(v); if(store[w].size() > s / w) store[w].pop(); j--; } } vector<int> dp(s + 1, 0); for(int i = 1; i <= s; i++) { while(!store[i].empty()) { ll u = store[i].top(); store[i].pop(); for(int j = s; j >= i; j--) dp[j] = max(dp[j - i] * 1LL + u, dp[j] * 1LL); } } cout << dp[s] << endl; }
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