Submission #14459

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
14459	2015-05-17 08:22:54	yys980	정전 (OJUZ10_blackout)	C++98	100 / 100	48 ms	5772 KiB

blackout

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#include <stdio.h>
#include <algorithm>
using namespace std;
int n,l;
long long sum;
long long slight[300000],elight[300000];
int main()
{
    scanf("%d %d",&n, &l);
    int i;
    for(i = 1 ; i <= n ; i++){
        scanf("%lld",&slight[i]);
        slight[i]-=l;
    }
    sort(slight+1,slight+1+n);
    for(i = 1 ; i <= n ; i++){
        elight[i]=slight[i]+l*2;
    }
    int s=slight[1],x=elight[1];
    for(i = 2 ; i <= n ; i++){
        if(s<slight[i])s=slight[i];
        if(s<=x){
            sum+=x-s;
            s=x;
        }
        x=elight[i];
    }
    printf("%lld",sum);
    return 0;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 40 / 40