Submission #5125

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
5125	2014-02-10T04:20:05 Z	ainta	Cactus? Not cactus? (kriii1_C)	C++	0 / 1	92 ms	10088 KB

C

#include<stdio.h>
#include<algorithm>
#include<vector>
using namespace std;
int par[100010], C, chk[100010];
vector<int>E[100010];
bool v[100010];
int n;
void DFS(int a){
	v[a] = true;
	int i, x;
	for (i = 0; i < E[a].size(); i++){
		if (v[E[a][i]] && E[a][i] != par[a]){
			x = a;
			while (x != E[a][i]){
				chk[x]++;
				x = par[x];
			}
			chk[x]++;
		}
	}
	for (i = 0; i < E[a].size(); i++){
		if (!v[E[a][i]]){
			par[E[a][i]] = a;
			DFS(E[a][i]);
		}
	}
}
int main(){
	int i, a, b, m;
	scanf("%d%d", &n, &m);
	while (m--){
		scanf("%d%d", &a, &b);
		E[a].push_back(b);
		E[b].push_back(a);
	}
	DFS(1);
	for (i = 1; i <= n; i++)if (chk[i] >= 2)break;
	printf(i != n + 1 ? "Not Cactus\n" : "Cactus\n");
}

Subtask #1

0.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	4428 KB	Output is correct
2	Correct	0 ms	4428 KB	Output is correct
3	Correct	4 ms	4560 KB	Output is correct
4	Correct	0 ms	4428 KB	Output is correct
5	Correct	0 ms	4428 KB	Output is correct
6	Correct	4 ms	4560 KB	Output is correct
7	Correct	4 ms	4560 KB	Output is correct
8	Correct	4 ms	4560 KB	Output is correct
9	Correct	4 ms	4560 KB	Output is correct
10	Correct	44 ms	7332 KB	Output is correct
11	Correct	28 ms	7180 KB	Output is correct
12	Correct	36 ms	7732 KB	Output is correct
13	Correct	52 ms	7360 KB	Output is correct
14	Correct	52 ms	7188 KB	Output is correct
15	Correct	64 ms	8524 KB	Output is correct
16	Correct	44 ms	7228 KB	Output is correct
17	Correct	36 ms	7732 KB	Output is correct
18	Correct	80 ms	9476 KB	Output is correct
19	Correct	92 ms	10088 KB	Output is correct
20	Correct	60 ms	7484 KB	Output is correct
21	Correct	60 ms	7576 KB	Output is correct
22	Correct	48 ms	8852 KB	Output is correct
23	Incorrect	0 ms	4428 KB	Output isn't correct
24	Halted	0 ms	0 KB	-