Submission #905081

#	Time	Username	Problem	Language	Result	Execution time	Memory
905081		ByeWorld	Knapsack (NOI18_knapsack)	C++14	17 / 100	2 ms	4700 KiB

knapsack

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
#define bupol __builtin_popcount
#define int long long 
#define ll long long
#define ld long double
#define fi first
#define se second
#define pb push_back
#define lf (id<<1)
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;
const int MAXN = 1e5+10;
const int MAXK = 2010;
const int LOG = 20;
const int MOD = 1e9+7;
const int SQRT = 520;
const int INF = 1e18;
typedef pair<int,int> pii;
typedef pair<int,pii> ipii;

int n, s;
int v[MAXN], w[MAXN], k[MAXN];
int dp[MAXN][MAXK];

signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> s >> n;
    for(int i=1; i<=n; i++){
        cin >> v[i] >> w[i] >> k[i];
    }
    for(int i=1; i<=n; i++)
        for(int j=0; j<=s; j++) dp[i][j] = -INF;

    for(int i=1; i<=n; i++){
        for(int j=0; j<=s; j++){ // max value kalo udh di i, isinya j
            dp[i][j] = dp[i-1][j];

            if(j >= w[i]){
                dp[i][j] = max(dp[i][j], dp[i-1][j-w[i]] + v[i]);
            }
        }
    }

    int mx = -INF;
    for(int i=0; i<=s; i++) mx = max(mx, dp[n][i]);
    cout << mx << '\n';
}

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