제출 #772113

#제출 시각아이디문제언어결과실행 시간메모리
772113asdf334Knapsack (NOI18_knapsack)C++17
73 / 100
1078 ms340 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll dp[2001]; bool vis[2001];
int main() {
	ios_base::sync_with_stdio(false); cin.tie(nullptr);
	vis[0] = true;
	ll S, N; cin >> S >> N;
	ll ans = 0;
	for (int i = 0; i < N; ++i) {
		ll v, w, k; 
		cin >> v >> w >> k;
		for (ll i = 2000; i >= 0; --i) {
			if (vis[i] >= 0) {
				for (ll c = 1; c <= min((ll)floor((S - i) / w), k); ++c) {
					dp[c * w + i] = max(dp[c * w + i], dp[i] + c * v);
					ans = max(ans, dp[c * w + i]);
					vis[c * w + i] = true;
				}
			}
		}
	}
	cout << ans << '\n';
}

컴파일 시 표준 에러 (stderr) 메시지

knapsack.cpp: In function 'int main()':
knapsack.cpp:14:15: warning: comparison of constant '0' with boolean expression is always true [-Wbool-compare]
   14 |    if (vis[i] >= 0) {
      |        ~~~~~~~^~~~
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