제출 #780182

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
780182		christinelynn	Knapsack (NOI18_knapsack)	C++17	17 / 100	2 ms	1876 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define fi first
#define se second
#define pb push_back
#define TC int t; cin>>t; while(t--)
#define all(x) (x).begin(),(x).end()
//*AC BERSAMA ALLAH  FORTIS FORTUNA ADIUVAT


int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int energi,tipe;
    cin>>energi>>tipe;
    vector<pair<pair<ll,ll>,ll > > v(tipe+1);
    ll dp[tipe+1][energi+1]; memset(dp,0,sizeof(dp));

    for(int i=1;i<=tipe;i++){
        ll l,e,k;
        cin>>l>>e>>k;
        v[i]=make_pair(make_pair(l,e),k); // luas, energi, kuantiti
    }

    for(int i=1;i<=tipe;i++){
        for(int j=1;j<=energi;j++){
            dp[i][j]=dp[i-1][j];
            ll kuant=v[i].se, en=v[i].fi.se;
            if(j>=v[i].fi.se){
                dp[i][j]=max(dp[i][j],dp[i-1][j-v[i].fi.se]+v[i].fi.fi);
            }
        }
    }
    cout<<dp[tipe][energi]<<'\n';


    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

knapsack.cpp: In function 'int main()':
knapsack.cpp:30:16: warning: unused variable 'kuant' [-Wunused-variable]
   30 |             ll kuant=v[i].se, en=v[i].fi.se;
      |                ^~~~~
knapsack.cpp:30:31: warning: unused variable 'en' [-Wunused-variable]
   30 |             ll kuant=v[i].se, en=v[i].fi.se;
      |                               ^~

• Subtask 1: 0 / 12
• Subtask 2: 17 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 24
• Subtask 5: 0 / 27