Submission #14123

# Submission time Handle Problem Language Result Execution time Memory
14123 2015-05-02T07:06:19 Z ggoh 정전 (OJUZ10_blackout) C++
90 / 100
51 ms 3584 KB
#include<cstdio>
#include<algorithm>
#include<vector>
#include<queue>
#include<cstring>
long long a,b,i,j,t,p,q,m,n,s,x[160001],y[160001];
main()
{
	scanf("%lld%lld",&a,&b);
	for(i=0;i<a;i++)
	{
		scanf("%lld",&x[i]);
	}
	std::sort(x,x+a);
	for(i=0;i<a-1;i++)
	{
		p=q=0;
		if(i-1>=0)
		{
			if(x[i]-x[i-1]<b)p=b-(x[i]-x[i-1]);
		}
		if(i+2<a)
		{
			if(x[i+2]-x[i+1]<b)q=b-(x[i+2]-x[i+1]);
		}
		if(p+q>=x[i+1]-x[i])s+=x[i+1]-x[i];
		else if(b>=x[i+1]-x[i])
		{
			s+=x[i+1]-x[i];
		}
		else if(2*b<=x[i+1]-x[i])s+=p+q;
		else
		{
			t=b*2-(x[i+1]-x[i]);
			m=x[i]+b-t;
			n=x[i]+b;
			p=p+x[i];
			q=x[i+1]-q;
			if(p<m&&n<q)
			{
				s+=(p-x[i]+x[i+1]-q+t);
			}
			else if(n<=p||q<=m)
			{
				s+=(p-x[i]+x[i+1]-q);
			}
			else if(m<=p&&q<=n)
			{
				s+=x[i+1]-x[i];
			}
			else if(m<=p&&p<=n)
			{
				s+=(n-x[i]+x[i+1]-q);
			}
			else if(m<=q&&q<=n)
			{
				s+=(p-x[i]+x[i+1]-m);
			}
		}
	}
	if(x[1]-x[0]<b)
	{
		s+=b-(x[1]-x[0]);
	}
	if(x[a-1]-x[a-2]<b)
	{
		s+=b-(x[a-1]-x[a-2]);
	}
	printf("%lld",s);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3584 KB Output is correct
2 Correct 0 ms 3584 KB Output is correct
3 Correct 0 ms 3584 KB Output is correct
4 Correct 0 ms 3584 KB Output is correct
5 Correct 0 ms 3584 KB Output is correct
6 Correct 0 ms 3584 KB Output is correct
7 Incorrect 0 ms 3584 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3584 KB Output is correct
2 Correct 0 ms 3584 KB Output is correct
3 Correct 0 ms 3584 KB Output is correct
4 Correct 0 ms 3584 KB Output is correct
5 Correct 0 ms 3584 KB Output is correct
6 Correct 0 ms 3584 KB Output is correct
7 Correct 0 ms 3584 KB Output is correct
8 Correct 0 ms 3584 KB Output is correct
9 Correct 0 ms 3584 KB Output is correct
10 Correct 0 ms 3584 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 27 ms 3584 KB Output is correct
2 Correct 49 ms 3584 KB Output is correct
3 Correct 46 ms 3584 KB Output is correct
4 Correct 32 ms 3584 KB Output is correct
5 Correct 9 ms 3584 KB Output is correct
6 Correct 37 ms 3584 KB Output is correct
7 Correct 29 ms 3584 KB Output is correct
8 Correct 0 ms 3584 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 3584 KB Output is correct
2 Correct 15 ms 3584 KB Output is correct
3 Correct 25 ms 3584 KB Output is correct
4 Correct 50 ms 3584 KB Output is correct
5 Correct 34 ms 3584 KB Output is correct
6 Correct 26 ms 3584 KB Output is correct
7 Correct 42 ms 3584 KB Output is correct
8 Correct 3 ms 3584 KB Output is correct
9 Correct 51 ms 3584 KB Output is correct
10 Correct 50 ms 3584 KB Output is correct
11 Correct 36 ms 3584 KB Output is correct
12 Correct 26 ms 3584 KB Output is correct
13 Correct 24 ms 3584 KB Output is correct
14 Correct 40 ms 3584 KB Output is correct
15 Correct 26 ms 3584 KB Output is correct