Submission #142824

#	Time	Username	Problem	Language	Result	Execution time	Memory
142824		daniel920712	선물상자 (IOI15_boxes)	C++14	0 / 100	2 ms	256 KiB

boxes

#include "boxes.h"
#include <stdio.h>

using namespace std;

long long delivery(int N, int K, int L, int p[])
{
    long long ans=0;
    int l=N+1,r=-1,i;
    for(i=1;K*i-1<N&&p[K*i-1]<=N/2;i++)
    {
        ans+=(long long) (p[K*i-1]*2);
        r=K*i-1;
        //printf("a %d %d\n",i,p[K*i-1]);
    }
    for(i=1;N-K*i>=0&&p[N-K*i]>N/2;i++)
    {
        ans+=(long long) ((L-p[N-K*i])*2);
        l=N-K*i;
        //printf("b %d %d\n",i,p[N-K*i]);
    }
    if(r<l) ans+=N;
    //printf("%d %d\n",l,r);
    return ans;

}

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