Submission #16621

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
16621	2015-08-29 15:58:44	eaststar	정전 (OJUZ10_blackout)	C++14	50 / 100	62 ms	2308 KiB

blackout

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#include <bits/stdc++.h>
using namespace std;
int a[150010];
long long ans,s,e,t=-1e9;
int main(){
    int i,n,l;
    scanf("%d%d",&n,&l);
    for(i=0;i<n;++i)scanf("%d",a+i);
    sort(a,a+n);
    for(i=1;i<n;++i){
        s=a[i]-l,e=a[i-1]+l;
        if(s<e)ans+=e-max(s,t),t=e;
    }
    printf("%lld",ans);
    return 0;
}
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40