Submission #626

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
626	2013-02-28T17:41:54 Z	jwvg0425	파일 삭제 (GA3_delete)	C++	Compilation error	0 ms	0 KB

delete

struct F{int a,b;};
F D[3000];
void addFile(int i, int* B)
{
	D[i].a++;
	if(i==0)
		return;
	addFile(B[i],B);
}
void UpDelete(int i,int r,int M,int* B)
{
	int k;
	for(k=0;D[k].b!=i;k++);
	D[k].a-=r;
	
	if(B[i]==-1)
		return;

	UpDelete(B[D[k].b],r,M,B);
	
}
void deleteDir(int i,int M,int* B)
{
	int j,k;
	for(k=0;D[k].b!=i;k++);
	D[k].a=0;
	for(j=0;j<M;j++)
	{
		if(B[j]==D[k].b)
		{
			deleteDir(j,M,B);
		}
	}
}
int Compare(const void* a,const void* b)
{
	return ((F*)b)->a-((F*)a)->a;
}

int DeletePlan(int N,int M, int K, int* A,int* B)
{
	int i,s=0;
	for(i=0;i<N;i++)
	{
		addFile(A[i],B);
	}
	for(i=0;i<M;i++)
	{
		D[i].b=i;
	}
	qsort(D,M,sizeof(F),Compare);
	for(i=0;i<M;i++)
	{
		if(D[i].a<=K)
		{
			K-=D[i].a;
			UpDelete(B[D[i].b],D[i].a,M,B);
			deleteDir(D[i].b,M,B);
			qsort(D,M,sizeof(F),Compare);
			s++;
			i=-1;
		}
	}
	s+=K;
	return s;
}

Compilation message

grader.cpp:30:2: warning: no newline at end of file
delete.cpp: In function 'int DeletePlan(int, int, int, int*, int*)':
delete.cpp:51: error: 'qsort' was not declared in this scope