Submission #14135

#	Time	Username	Problem	Language	Result	Execution time	Memory
14135		juchan1220	정전 (OJUZ10_blackout)	C++98	50 / 100	51 ms	1668 KiB

blackout

#include <stdio.h>
#include <algorithm>
using namespace std;
int lamp[150001],n,l;
int main (void)
{
    int i,cnt=0;

    scanf("%d %d",&n,&l);

    for(i=0;i<n;i++){
        scanf("%d",&lamp[i]);
    }

    sort(lamp,lamp+n);

    for(i=1;i<n;i++){
        if(lamp[i-1]+l>lamp[i]-l)
            cnt+=lamp[i-1]+l-(lamp[i]-l);
        if(i>=2 && lamp[i-2]+l>lamp[i]-l)
            cnt-=lamp[i-2]+l-(lamp[i]-l);
        //printf("%d\n",cnt);
    }

    printf("%d\n",cnt);
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40