Submission #14046

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
14046	2015-04-26 01:05:10	paulsohn	정전 (OJUZ10_blackout)	C++98	100 / 100	51 ms	1708 KiB

blackout

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#include <cstdio>
#include <algorithm>
using namespace std;
int N, X[160000];
long long L, a=-0xFFFFFFFF, b=-0xFFFFFFFFF, sum=0;
int main()
{
    int i,inp;
    scanf("%d%lld",&N,&L);
    for(i=0;i<N;++i) scanf("%d",X+i);
    sort(X,X+N);
    for(i=0;i<N;++i){
        if(b<X[i]-L){
            a=X[i]-L;
            b=X[i]+L;
        }
        else{
            sum+=b-max(a,X[i]-L);
            a=b;
            b=X[i]+L;
        }
    }
    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