| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1344458 | a0ms1n | Knapsack (NOI18_knapsack) | C++20 | 1094 ms | 16732 KiB |
#include <bits/stdc++.h>
using namespace std;
#define int long long
int s,n;
vector<pair<int,int>> arr;
int dp[(int)2005]={0};
signed main(){
cin>>s>>n;
for(int i=1;i<=n;i++){
int w,v,k;
cin>>v>>w>>k;
k = min(k,s/w);
int cur = 1;
while(k>=cur){
arr.push_back({w*cur,v*cur});
k -= cur;
cur*=2;
}
if(k!=0)arr.push_back({w*k,v*k});
}
int N = arr.size();
int ans = 0;
for(int i=0;i<N;i++){
for(int w=0;w<=s-arr[i].first;w++){
dp[w] = max(dp[w],dp[w+arr[i].first]+arr[i].second);
ans = max(dp[w],ans);
}
}
cout<<ans<<'\n';
return 0;
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