Submission #18909

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
18909	2016-02-16 12:31:00	chan492811	정전 (OJUZ10_blackout)	C++98	0 / 100	35 ms	1084 KiB

blackout

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#include <cstdio>
#include <algorithm>
using namespace std;
int n,l,ep,sep;
long long res;
int main(){
    int i,a,now;
    scanf("%d %d",&n,&l);
    ep=-21e8; sep=-21e8;
    for(i=0;i<n;i++){
        scanf("%d",&a);
        if(a-l<=ep){
            now=max(sep,a-l);
            res+=max(0,ep-now);
            sep=ep;
        }
        ep=a+l;
    }
    printf("%lld",res);
    return 0;
}
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40