Submission #4833

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
4833	2014-01-04 15:47:11	gs13068	수족관 1 (KOI13_aqua1)	C++98	100 / 100	4 ms	1148 KiB

aqua1

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#include<cstdio>
int x[2500];
int y[2500];
int t[2500];
int m;
int res;
bool backtracking(int l,int r,int d)
{
  if(l<r)
  {
    bool flag=false;
    int i,j=l;
    for(i=l;i<r;i++)if(y[i]<y[j])j=i;
    if(backtracking(l,j,y[j]))flag=true;
    if(backtracking(j+1,r,y[j]))flag=true;
    if(flag)return true;
    for(i=0;i<m;i++)if(t[i]==x[j])return true;
    res+=(x[r]-x[l])*(y[j]-d);
  }
  return false;
}
int main()
{
  int i,n;
  scanf("%d",&n);
  for(i=0;i<n;i++)scanf("%d%d",&x[i/2],&y[i/2]);
 
 
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• Subtask 1: 23 / 23
• Subtask 2: 19 / 19
• Subtask 3: 22 / 22
• Subtask 4: 36 / 36