답안 #3808

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
3808	2013-08-31T08:28:25 Z	gs13068	Divide into triangle (kriii1_D)	C++	1 / 1	4 ms	1096 KB

D

#include<cstdio>

int x[900];
int y[900];
bool no[900];

int main()
{
	double t;
	int bot;
	int i,j,k,n;
	scanf("%d",&n);
	for(i=0;i<n*3;i++)scanf("%d%d",&x[i],&y[i]);
	j=0;
	for(i=1;i<n*3;i++)
	{
		if(y[i]<y[j])
			j=i;
	}
	printf("%d ",j+1);
	no[j]=true;
	bot=j;
	for(i=1;i<n*3;i++)
	{
		for(k=0;no[k];k++);
		for(j=k+1;j<n*3;j++)
		{
			if(no[j])continue;
			if(1LL*(x[j]-x[bot])*(y[k]-y[bot])<1LL*(x[k]-x[bot])*(y[j]-y[bot]))
				k=j;
		}
		printf("%d ",k+1);
		no[k]=true;
		if(i%3==2)puts("");
	}
}

Subtask #1

1.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1096 KB	Output is correct
2	Correct	0 ms	1096 KB	Output is correct
3	Correct	0 ms	1096 KB	Output is correct
4	Correct	0 ms	1096 KB	Output is correct
5	Correct	0 ms	1096 KB	Output is correct
6	Correct	0 ms	1096 KB	Output is correct
7	Correct	0 ms	1096 KB	Output is correct
8	Correct	0 ms	1096 KB	Output is correct
9	Correct	4 ms	1096 KB	Output is correct
10	Correct	4 ms	1096 KB	Output is correct
11	Correct	4 ms	1096 KB	Output is correct
12	Correct	4 ms	1096 KB	Output is correct
13	Correct	4 ms	1096 KB	Output is correct
14	Correct	4 ms	1096 KB	Output is correct
15	Correct	4 ms	1096 KB	Output is correct
16	Correct	4 ms	1096 KB	Output is correct
17	Correct	4 ms	1096 KB	Output is correct
18	Correct	4 ms	1096 KB	Output is correct
19	Correct	4 ms	1096 KB	Output is correct
20	Correct	4 ms	1096 KB	Output is correct