Submission #785179

#	Time	Username	Problem	Language	Result	Execution time	Memory
785179		alexander707070	선물상자 (IOI15_boxes)	C++14	0 / 100	1 ms	212 KiB

boxes

#include<bits/stdc++.h>
#define MAXN 10000007
using namespace std;

int n,k,a[MAXN];
long long l,r,len;
long long ans;

long long delivery(int N, int K, int L,int P[]){
    n=N; k=K;
    for(int i=1;i<=n;i++){
        a[i]=P[i];
    }

    sort(a+1,a+n+1);

    for(int i=1;i<=n;i+=k){
        l=a[i]; r=L-a[min(i+k-1,n)];
        len=a[min(i+k-1,n)]-a[i];

        if(l>r)swap(l,r);
        ans+=min(l+len+r,2*l+2*len);
    }

    return ans;
}

/*
int main(){
    cout<<delivery(3,2,8,{1,2,5})<<"\n";
}
*/

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