답안 #3598

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
3598	2013-08-31T06:48:46 Z	movie_jo	Cactus? Not cactus? (kriii1_C)	C	0 / 1	28 ms	2260 KB

C

#include <stdio.h>

int x[100001];
int group[100001], gl = 1;
int cycle[100001];
int main(void)
{
	int N, M, i, a, b, y, z, chk = 0;

	scanf("%d %d", &N, &M);

	for(i = 0; i < M; i++)
	{
		scanf("%d %d", &a, &b);

		if(chk)
			continue;

		if(x[a])
		{
			if(x[b])
			{
				y = x[a];
				z = x[b];

				while(group[y] != y)
					y = group[y];

				while(group[z] != z)
					z = group[z];

				if(y == z)
				{
					cycle[y]++;

					if(cycle[y] > 1)
						chk = 1;
				}
				else
				{
					if(y > z)
					{
						group[y] = z;
						group[x[a]] = z;
					}
					else
					{
						group[z] = y;
						group[x[b]] = y;
					}
				}

			}
			else
			{
				x[b] = x[a];
			}
		}
		else if(x[b])
		{
			x[a] = x[b];
		}
		else
		{
			x[a] = gl;
			x[b] = gl;
			group[gl] = gl;
			gl++;
		}
	}

	printf("%sactus\n", chk?"Not c":"C");

	return 0;
}

Subtask #1

0.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	2260 KB	Output isn't correct
2	Halted	0 ms	0 KB	-
3	Correct	0 ms	2260 KB	Output is correct
4	Correct	0 ms	2260 KB	Output is correct
5	Correct	0 ms	2260 KB	Output is correct
6	Correct	0 ms	2260 KB	Output is correct
7	Correct	0 ms	2260 KB	Output is correct
8	Correct	0 ms	2260 KB	Output is correct
9	Correct	0 ms	2260 KB	Output is correct
10	Correct	12 ms	2260 KB	Output is correct
11	Correct	20 ms	2260 KB	Output is correct
12	Correct	16 ms	2260 KB	Output is correct
13	Correct	16 ms	2260 KB	Output is correct
14	Correct	20 ms	2260 KB	Output is correct
15	Correct	20 ms	2260 KB	Output is correct
16	Correct	12 ms	2260 KB	Output is correct
17	Correct	16 ms	2260 KB	Output is correct
18	Correct	20 ms	2260 KB	Output is correct
19	Correct	28 ms	2260 KB	Output is correct
20	Correct	16 ms	2260 KB	Output is correct
21	Correct	20 ms	2260 KB	Output is correct
22	Correct	20 ms	2260 KB	Output is correct
23	Correct	0 ms	2260 KB	Output is correct
24	Correct	0 ms	2260 KB	Output is correct
25	Correct	0 ms	2260 KB	Output is correct
26	Correct	16 ms	2260 KB	Output is correct
27	Correct	12 ms	2260 KB	Output is correct
28	Correct	20 ms	2260 KB	Output is correct
29	Correct	20 ms	2260 KB	Output is correct
30	Correct	20 ms	2260 KB	Output is correct
31	Correct	16 ms	2260 KB	Output is correct
32	Correct	20 ms	2260 KB	Output is correct
33	Correct	24 ms	2260 KB	Output is correct
34	Correct	24 ms	2260 KB	Output is correct