Submission #868568

#	Time	Username	Problem	Language	Result	Execution time	Memory
868568		Pbezz	Knapsack (NOI18_knapsack)	C++14	73 / 100	1056 ms	2768 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define mp make_pair

const ll MAXN = 1e6+5;
const ll INF = 1e5+5;
const ll MOD = 1e9+7;

int main() {


	ll s,n;
	//cin>>s>>n;
	scanf("%lld %lld", &s, &n);
	ll v,w,k;
	ll obj[n+1][3];
	for(int i=1;i<=n;i++){
		//cin>>v>>w>>k;
		scanf("%lld %lld %lld",&v, &w, &k);
		obj[i][0]=v;
		obj[i][1]=w;
		obj[i][2]=k;
	}
	ll dp[s+1];
	for(int j=0;j<=s;j++)dp[j]=0;

	for(int i=1;i<=n;i++){
		for(int j=s;j>=0;j--){
			for(ll freq=1;freq<=obj[i][2];freq++){
				if(j-freq*obj[i][1]<0)break;
				dp[j] = max(dp[j] , dp[j-freq*obj[i][1]]+freq*obj[i][0]);
			}
		}
	}
	printf("%lld",dp[s]);
	//cout<<dp[s]<<'\n';




    return 0;
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf("%lld %lld", &s, &n);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |   scanf("%lld %lld %lld",&v, &w, &k);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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