답안 #3459

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
3459	2013-08-31T05:55:46 Z	Apple_Cplus	Cactus? Not cactus? (kriii1_C)	C++	0 / 1	68 ms	11152 KB

C

#include <stdio.h>
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include <sstream>
#include <set>
#include <map>
#include <stack>
#include <cmath>
#include <cstdlib>
#include <cstring>
#include <string>
 
using namespace std;
 
#define ll long long
#define pi pair<int,int>
#define pll pair<ll,ll>
#define pii pair<int,pi>
#define X first
#define Y second
#define pb push_back
#define ab(x) ((x)<0?(-(x)):(x))
#define xx(x) ((x)*(x))
#define mp make_pair
#define vi vector<int>
#define vll vector<ll>
#define vs vector<string>
#define vpi vector<pi>
#define vpll vector<pll>
#define ALL(x) (x).begin(),(x).end()
#define Max (1<<30)
#define LLMax (1ll<<60)
template<class T>string ToString(T t){stringstream s;s<<t;return s.str();}
template<class T>void ToOther(T&t,string a){stringstream s(a);s>>t;}
 
 
int n,m;
vi v[100005];
bool ck[100005];

int go(int x,int p){
	ck[x]=1;
	int cnt=0;
	for(int i=0;i<v[x].size();i++){
		int t=v[x][i];if(t==p)continue;
		if(ck[t]){cnt++;continue;}
	
		go(t,x);
	}
	if(cnt>=2){
		cout<<"Not cactus"<<endl;
		exit(0);
	}
}

int main(){
	scanf("%d%d",&n,&m);

	for(int i=0;i<m;i++){
		int s,e;scanf("%d%d",&s,&e);
		v[s].pb(e);v[e].pb(s);
	
	}

	go(1,-1);
	cout<<"Cactus"<<endl;
}

Subtask #1

0.0 / 1.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4112 KB	Output is correct
2	Correct	0 ms	4112 KB	Output is correct
3	Correct	4 ms	4244 KB	Output is correct
4	Correct	0 ms	4112 KB	Output is correct
5	Correct	0 ms	4112 KB	Output is correct
6	Correct	0 ms	4244 KB	Output is correct
7	Correct	0 ms	4244 KB	Output is correct
8	Correct	0 ms	4244 KB	Output is correct
9	Correct	4 ms	4244 KB	Output is correct
10	Correct	36 ms	7016 KB	Output is correct
11	Correct	24 ms	6864 KB	Output is correct
12	Correct	36 ms	8212 KB	Output is correct
13	Correct	40 ms	7520 KB	Output is correct
14	Correct	40 ms	7320 KB	Output is correct
15	Correct	56 ms	9132 KB	Output is correct
16	Correct	24 ms	7448 KB	Output is correct
17	Correct	36 ms	8280 KB	Output is correct
18	Correct	56 ms	10364 KB	Output is correct
19	Correct	68 ms	11152 KB	Output is correct
20	Correct	28 ms	7764 KB	Output is correct
21	Correct	56 ms	7500 KB	Output is correct
22	Correct	52 ms	9552 KB	Output is correct
23	Correct	0 ms	4112 KB	Output is correct
24	Correct	0 ms	4112 KB	Output is correct
25	Incorrect	4 ms	4608 KB	Output isn't correct
26	Halted	0 ms	0 KB	-