Submission #533633

#	Time	Username	Problem	Language	Result	Execution time	Memory
533633		900iqNoobie	Knapsack (NOI18_knapsack)	C++17	0 / 100	108 ms	95136 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
int const mod=998244353;
ll dp[2002][2002];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t=1;
    //cin>>t;
    while (t--){
        int n,s,va,w,k;
        cin>>s>>n;
        vector <pair<int,int>> v;
        v.push_back({0,0});
        for (int i=0;i<n;i++){
            cin>>va>>w>>k;
            while (k--) v.push_back({va,w});
        }
        dp[0][0]=0;
        for (int i=1;i<v.size();i++){
            for (int j=0;j<=s;j++){
                dp[i][j]=dp[i-1][j];
                if (v[j].second<j) dp[i][j]=max(dp[i][j],dp[i-1][j-v[j].second]+v[j].second);
            }
        }
        cout<<dp[n][s]<<"\n";
    }
    return 0;
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |         for (int i=1;i<v.size();i++){
      |                      ~^~~~~~~~~

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