Submission #1302274

#	Time	Username	Problem	Language	Result	Execution time	Memory
1302274		dumb_manii	Knapsack (NOI18_knapsack)	C++20	73 / 100	1097 ms	588 KiB

knapsack

#include <iostream>
#include <vector>
#include <map>
#include <algorithm>
#include <string>
#include <set>
#include<queue>
#include <numeric>
#include<bitset>
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
const ll MOD  = 1e9+7;
const ll MAXV = 100000;

int main(){
    ll s,n; cin>>s>>n;
    vector<ll>dp(s+1,0);
    // vector<tuple<int,int,int>>v(n);
    for(int i = 0; i < n; i++){
    // cin >> get<0>(v[i]) >> get<1>(v[i]) >> get<2>(v[i]);
    ll v,w,k;
    cin>>v>>w>>k;
    ll cnt = 1;
    while(k>0){
        ll take ; 
        if(cnt<=k){
            take = cnt;
        }
        else{take = k;
        }
        k-=take;
      
    for(ll j=s;j>=take*w;j--){
      dp[j] = max(dp[j] , take*v+dp[j-take*w]);
    
    }
    cnt *= 2;
}}
cout<<dp[s]<<"\n";
  }

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