제출 #1331394

#제출 시각아이디문제언어결과실행 시간메모리
1331394kride024Knapsack (NOI18_knapsack)C++20
73 / 100
1093 ms408 KiB
#include <bits/stdc++.h>
using namespace std;

vector<long long>dp;


int main() {
long long s,n;
cin>>s>>n;
dp.assign(s+1,0);

for(int i=0;i<n;i++){
    long long v1,w1,k1;
    cin>>v1>>w1>>k1;
    for(long long j=1;j<=k1;j*=2){
        long long new_v=v1*j;
        long long new_w=w1*j;
        
        for(long long curr=s;curr>=new_w;curr--){
            dp[curr]=max(dp[curr],new_v+dp[curr-new_w]);
        }
        k1-=j;
    }
    if(k1>0){
         long long new_v=v1*k1;
         long long new_w=w1*k1;
        for(long long curr=s;curr>=new_w;curr--){
            dp[curr]=max(dp[curr],new_v+dp[curr-new_w]);
        }
    }
}


cout<<dp[s]<<endl;
}
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