Submission #16622

#	Time	Username	Problem	Language	Result	Execution time	Memory
16622		eaststar	정전 (OJUZ10_blackout)	C++14	100 / 100	65 ms	2308 KiB

blackout

#include <bits/stdc++.h>
using namespace std;
int a[150010];
long long ans;
int main(){
    int i,n,l,s,e,t=-2e9;
    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;
}

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