Submission #705180

#	Time	Username	Problem	Language	Result	Execution time	Memory
705180		bin9638	Boxes with souvenirs (IOI15_boxes)	C++17	10 / 100	1 ms	340 KiB

boxes

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define fs first
#define sc second
#define N 1010
#define pb push_back

ll dp[1010][1010];

void selfmin(ll&u,ll v)
{
    u=min(u,v);
}

ll delivery(int n,int k,int l,int a[])
{
    sort(a,a+n);
    ll res=l;
    selfmin(res,a[n-1]*2);
    selfmin(res,(l-a[0])*2);
    for(int i=0;i<n-1;i++)
        selfmin(res,a[i]*2+(l-a[i+1])*2);
    return res;
}

#ifdef SKY
int main()
{
    freopen("A.inp","r",stdin);
    freopen("A.out","w",stdout);
  //  ios::sync_with_stdio(0);
   // cin.tie(NULL);
   // cout.tie(NULL);
    int n,k,l;
    cin>>n>>k>>l;
    int a[n];
    for(int i=0;i<n;i++)
        cin>>a[i];
    cout<<delivery(n,k,l,a);
    return 0;
}
#endif // SKY

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:18:23: warning: unused parameter 'k' [-Wunused-parameter]
   18 | ll delivery(int n,int k,int l,int a[])
      |                   ~~~~^

• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30