제출 #1321055

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1321055		metall1ca	Kitchen (BOI19_kitchen)	C++20	0 / 100	1 ms	332 KiB

kitchen

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
const int INF=1e9+7;
int main()
{
    #ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    #endif
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll n,m,k,ok=0,sum=0,gy=0;
    cin>>n>>m>>k;
    vector<ll> v(n),v1(m);
    for(ll i=0;i<n;i++)
    {
        cin>>v[i];
        if(v[i]<k)
        {
            ok=1;
            break;
        }
        gy+=v[i];
    }
    for(ll i=0;i<m;i++)
    {
        cin>>v1[i];
        sum+=v1[i];
    }
    if(k>v1.size() || ok==1 || gy>sum)
    {
        cout<<"Impossible\n";
    }
    else
    {
        ll ans=0;
        vector<ll> dp(sum+1,-LLONG_MAX);
        dp[0]=0;
        for(ll i=0;i<m;i++)
        {
            for(ll j=sum;j>=v1[i];j--)
            {
                dp[j]=dp[j-v1[i]]+min(j,n);
            }
        }
        for(ll i=gy;i<=sum;i++)
        {
            if(dp[i]>=n*k)
            {
                cout<<i-gy<<"\n";
                return 0;
            }
        }
        cout<<"Impossible\n";
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

kitchen.cpp: In function 'int main()':
kitchen.cpp:9:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     freopen("input.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:10:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     freopen("output.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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• Subtask 2: 0 / 22
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• Subtask 4: 0 / 21
• Subtask 5: 0 / 28