s_id stringlengths 10 10 | p_id stringlengths 6 6 | u_id stringlengths 10 10 | date stringlengths 10 10 | language stringclasses 1
value | original_language stringclasses 11
values | filename_ext stringclasses 1
value | status stringclasses 1
value | cpu_time int64 0 100 | memory stringlengths 4 6 | code_size int64 15 14.7k | code stringlengths 15 14.7k | problem_id stringlengths 6 6 | problem_description stringlengths 358 9.83k | input stringlengths 2 4.87k | output stringclasses 807
values | __index_level_0__ int64 1.1k 1.22M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
s530767450 | p02238 | u022407960 | 1479669695 | Python | Python3 | py | Accepted | 30 | 7880 | 2,457 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_adj_list = v_detail[2:]
# assert len(v_adj_list) == int(v_detail[1])
for each in v_adj_list:
init_adj_matrix[i... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,982 |
s719468387 | p02238 | u022407960 | 1479890763 | Python | Python3 | py | Accepted | 50 | 8164 | 2,014 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
from collections import deque
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_index... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,983 |
s749121414 | p02238 | u022407960 | 1479890792 | Python | Python3 | py | Accepted | 30 | 8176 | 2,014 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
from collections import deque
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_index... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,984 |
s232170703 | p02238 | u022407960 | 1479891272 | Python | Python3 | py | Accepted | 30 | 7812 | 1,989 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_index, adj_num, *adj_list = map(int... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,985 |
s174298811 | p02238 | u022407960 | 1479892460 | Python | Python3 | py | Accepted | 20 | 7796 | 2,052 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_index, adj_num, *adj_list = map(int... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,986 |
s023915278 | p02238 | u022407960 | 1480331758 | Python | Python3 | py | Accepted | 30 | 7784 | 2,058 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_index, adj_num, *adj_list = map(int... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,987 |
s843964990 | p02238 | u022407960 | 1480331931 | Python | Python3 | py | Accepted | 30 | 7796 | 2,021 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def generate_adj_matrix(v_info):
for v_detail in v_info:
v_index, adj_num, *adj_list = map(int... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,988 |
s765492618 | p02238 | u159356473 | 1481012380 | Python | Python3 | py | Accepted | 20 | 7760 | 487 | #coding:utf-8
def DFS(i,A,d,f,t):
if d[i-1]:
return t
d[i-1]=t
t+=1
for j in A[i-1]:
t=DFS(j,A,d,f,t)
f[i-1]=t
t+=1
return t
if __name__=="__main__":
n=int(input())
A=[]
for i in range(n):
A.append(list(map(int,input().split(" ")))[2:])
d=[0]... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,989 |
s637813768 | p02238 | u811733736 | 1481082722 | Python | Python3 | py | Accepted | 40 | 8176 | 2,372 | from enum import Enum
class Dfs(object):
""" Depth First Search """
class Status(Enum):
white = 1
gray = 2
black = 3
def __init__(self, data):
self.time = 0
num_of_nodes = len(data)+1
self.color = [Dfs.Status.white] * (num_of_nodes+1)
self.S = []
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,990 |
s414876741 | p02238 | u022407960 | 1481627083 | Python | Python3 | py | Accepted | 20 | 7812 | 1,852 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def dfs(v_init):
global timer
# init the first node of overall graph iterations(times >= 1)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,991 |
s434509123 | p02238 | u022407960 | 1481627220 | Python | Python3 | py | Accepted | 20 | 7768 | 1,852 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def dfs(v_init):
global timer
# init the first node of overall graph iterations(times >= 1)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,992 |
s607928052 | p02238 | u022407960 | 1481627256 | Python | Python3 | py | Accepted | 20 | 7788 | 1,852 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def dfs(v_init):
global timer
# init the first node of overall graph iterations(times >= 1)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,993 |
s457945912 | p02238 | u022407960 | 1481627599 | Python | Python3 | py | Accepted | 20 | 7776 | 1,771 | #!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
input:
6
1 2 2 3
2 2 3 4
3 1 5
4 1 6
5 1 6
6 0
output:
1 1 12
2 2 11
3 3 8
4 9 10
5 4 7
6 5 6
"""
import sys
UNVISITED, VISITED_IN_STACK, POPPED_OUT = 0, 1, 2
def dfs(v_init):
global timer
# init the first node of overall graph iterations(times >= 1)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,994 |
s677210436 | p02238 | u564398841 | 1485189313 | Python | Python3 | py | Accepted | 20 | 7876 | 1,466 | def dfs(u, colors, matrix, time, detect_time, finished_time):
# ????????????????????¨??????????????????
colors = colors
detect_time = detect_time
finished_time = finished_time
time = time + 1
stack = list()
stack.append(u)
colors[u] = 1
detect_time[u] = time
while len(stack):
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,995 |
s574399946 | p02238 | u923668099 | 1486101118 | Python | Python3 | py | Accepted | 20 | 7824 | 1,037 | import sys
def debug(x, table):
for name, val in table.items():
if x is val:
print('DEBUG:{} -> {}'.format(name, val), file=sys.stderr)
return None
time = 0
def dfs(u, adj, d, f, sumi):
global time
sumi.add(u)
time += 1
d[u] = time
for v in adj[u]:
if ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,996 |
s969423393 | p02238 | u112247126 | 1488335298 | Python | Python3 | py | Accepted | 30 | 7784 | 711 | def dfs_recursive(u):
global time
color[u] = 'gray'
arrive[u] = time
time += 1
for v in range(n):
if adjMat[u][v] == 1 and color[v] == 'white':
dfs_recursive(v)
color[u] = 'black'
finish[u] = time
time += 1
n = int(input())
adjMat = [[0] * n for _ in range(n)]
colo... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,997 |
s067732905 | p02238 | u089830331 | 1495494278 | Python | Python3 | py | Accepted | 30 | 7732 | 886 | def get_unvisted_child(v, timestamp):
while len(G[v]) > 0:
c = G[v].pop(0)
if not c in timestamp: return c
return -1
def get_unvisited_node(G, timestamp):
for v in sorted(G):
if not v in timestamp: return v
return -1
def dept_first_search(G):
t = 1
timestamp = {}
stack = []
v = get_unvisi... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,998 |
s194400047 | p02238 | u603049633 | 1496487444 | Python | Python3 | py | Accepted | 20 | 7700 | 632 | n = int(input())
Adj = [[0 for i in range(n)] for i in range(n)]
for i in range(n):
u = list(map(int, input().split()))
if u[1] > 0:
for i in u[2: 2 + u[1]]:
Adj[u[0] - 1][i - 1] = 1
color = [0] * n
d = [0] * n
f = [0] * n
time = 0
def dfs(u):
global time
color[u - 1] = 1
tim... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 28,999 |
s287692383 | p02238 | u371539389 | 1497098839 | Python | Python3 | py | Accepted | 20 | 7820 | 884 | n=int(input())
#V[u]=[k,[v],d,f]
V=[[0,[],0,0]]
for i in range(n):
v=[int(i) for i in input().split(" ")]
u=v.pop(0)
k=v.pop(0)
v.sort()
V.append([k,v,0,0])
def is_finished(Id):
k=V[Id][0]
v=V[Id][1]
for i in range(k):
if V[v[i]][2]==0:
return v[i]
return -1
ti... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,000 |
s361185569 | p02238 | u067677727 | 1498884057 | Python | Python3 | py | Accepted | 20 | 7944 | 1,559 | def DFS(adj, start):
n = len(adj)
d = [0] * n
f = [0] * n
flag = [0] * n
S = []
time = 1
S.append(start)
flag[start] = 1
d[start] = time
time = time + 1
while flag.count(2) != n: # ??¨????????????????????¢?´¢????????????????????§
if len(S) != 0:
u = ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,001 |
s772485720 | p02238 | u067677727 | 1498884116 | Python | Python3 | py | Accepted | 20 | 7888 | 1,584 | # -*- coding: utf-8 -*-
def DFS(adj, start):
n = len(adj)
d = [0] * n
f = [0] * n
flag = [0] * n
S = []
time = 1
S.append(start)
flag[start] = 1
d[start] = time
time = time + 1
while flag.count(2) != n: # ??¨????????????????????¢?´¢????????????????????§
if len(... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,002 |
s467258916 | p02238 | u067677727 | 1498884359 | Python | Python3 | py | Accepted | 20 | 7924 | 1,438 | # -*- coding: utf-8 -*-
def DFS(adj, start):
n = len(adj)
d = [0] * n
f = [0] * n
flag = [0] * n
S = []
time = 1
S.append(start)
flag[start] = 1
d[start] = time
time = time + 1
while flag.count(2) != n: # ??¨????????????????????¢?´¢????????????????????§
if len(... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,003 |
s110551480 | p02238 | u426534722 | 1499443751 | Python | Python3 | py | Accepted | 20 | 7768 | 451 | from sys import stdin
n = int(stdin.readline())
M = [0] + [list(map(int, stdin.readline().split()[2:])) for i in range(n)]
sndf = [0] + [[False, i] for i in range(1, n + 1)]
tt = 0
def dfs(u):
global tt
sndf[u][0] = True
tt += 1
sndf[u].append(tt)
for v in M[u]:
if not sndf[v][0]:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,004 |
s444467207 | p02238 | u426534722 | 1499443993 | Python | Python3 | py | Accepted | 20 | 7784 | 457 | from sys import stdin
n = int(stdin.readline())
M = [None] + [list(map(int, stdin.readline().split()[2:])) for i in range(n)]
sndf = [None] + [[False, i] for i in range(1, n + 1)]
tt = 0
def dfs(u):
global tt
sndf[u][0] = True
tt += 1
sndf[u].append(tt)
for v in M[u]:
if not sndf[v][0]:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,005 |
s056341113 | p02238 | u426534722 | 1499444124 | Python | Python3 | py | Accepted | 30 | 7728 | 466 | from sys import stdin
n = int(stdin.readline())
M = [None]
M += [list(map(int, stdin.readline().split()[2:])) for i in range(n)]
sndf = [None]
sndf += [[False, i] for i in range(1, n + 1)]
tt = 0
def dfs(u):
global tt
sndf[u][0] = True
tt += 1
sndf[u].append(tt)
for v in M[u]:
if not sndf[v]... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,006 |
s265807929 | p02238 | u426534722 | 1499444615 | Python | Python3 | py | Accepted | 30 | 7792 | 479 | from sys import stdin
n = int(stdin.readline())
M = [None]
M += [list(map(int, stdin.readline().split()[2:])) for i in range(n)]
sndf = [None]
sndf += [[False, i] for i in range(1, n + 1)]
tt = 0
def dfs(u):
global tt
sndf[u][0] = True
tt += 1
sndf[u].append(tt)
for v in M[u]:
if not sndf[v]... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,007 |
s210645852 | p02238 | u426534722 | 1499444655 | Python | Python3 | py | Accepted | 20 | 7788 | 470 | from sys import stdin
n = int(stdin.readline())
M = [None] + [list(map(int, stdin.readline().split()[2:])) for i in range(n)]
sndf = [None] + [[False, i] for i in range(1, n + 1)]
tt = 0
def dfs(u):
global tt
sndf[u][0] = True
tt += 1
sndf[u].append(tt)
for v in M[u]:
if not sndf[v][0]:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,008 |
s383372197 | p02238 | u426534722 | 1499445092 | Python | Python3 | py | Accepted | 30 | 7840 | 450 | from sys import stdin
n = int(stdin.readline())
M = [list(map(int, stdin.readline().split()[2:])) for i in range(n)]
sndf = [[False, i] for i in range(1, n + 1)]
tt = 0
def dfs(u):
global tt
sndf[u][0] = True
tt += 1
sndf[u].append(tt)
for v in M[u]:
v -= 1
if not sndf[v][0]:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,009 |
s926694740 | p02238 | u067677727 | 1499737598 | Python | Python3 | py | Accepted | 20 | 7936 | 2,273 | # -*- coding: utf-8 -*-
def DFS_stack(adj, start):
n = len(adj)
d = [0] * n
f = [0] * n
flag = [0] * n # 0:????¨????, 1:?¨??????????, 2:?¨??????????
S = []
time = 1
S.append(start)
flag[start] = 1
d[start] = time
time = time + 1
while flag.count(2) != n: # ??¨?????????... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,010 |
s377694465 | p02238 | u091533407 | 1500415030 | Python | Python3 | py | Accepted | 30 | 7912 | 661 | import sys
def dfs(u):
global time
color[u] = "GRAY"
time += 1
d[u] = time
for v in range(n):
if M[u][v] and color[v] == "WHITE":
dfs(v)
color[u] = "BLACK"
time += 1
f[u] = time
if __name__ == "__main__":
n = int(sys.stdin.readline())
color = ["WHITE"] * n... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,011 |
s735292327 | p02238 | u539803218 | 1500451233 | Python | Python3 | py | Accepted | 30 | 7748 | 542 | # coding: utf-8
def depth(i, adj, Dep, Arr, times):
if Dep[i-1]:
return times
Dep[i-1]=times
times+=1
# t=[depth(j, adj, Dep, f, times) j in adj[i-1]]
for j in adj[i-1]:
times=depth(j, adj, Dep, Arr, times)
Arr[i - 1]=times
times+=1
return times
n=int(input())
adj=[list... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,012 |
s960149552 | p02238 | u278938795 | 1500615504 | Python | Python3 | py | Accepted | 30 | 7760 | 667 | import sys
#sys.setrecursionlimit(100000)
u=[]
k=[]
v=[]
time = 0
n=int(sys.stdin.readline().strip())
yattayatu=[False for i in range(n)]
s=[0 for i in range(n)]
f=[0 for i in range(n)]
for i in range(n):
inp = sys.stdin.readline().strip().split(" ")
inp = list(map(lambda x: int(x), inp))
u.append(inp[0])
k.ap... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,013 |
s199609661 | p02238 | u735204496 | 1500615598 | Python | Python | py | Accepted | 10 | 6456 | 1,109 | import sys
d_num = int(sys.stdin.readline().strip())
graph_list = []
for _ in range(0, d_num):
array = sys.stdin.readline().strip().split(" ")
if len(array) <= 2:
graph_list.append([])
else:
graph_list.append([int(array[i]) - 1 for i in range(2, len(array))])
t = 1
result = [[] for _ in ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,014 |
s573931392 | p02238 | u858885710 | 1500626397 | Python | Python3 | py | Accepted | 30 | 7768 | 666 | from sys import stdin
d_num = int(stdin.readline().strip())
graph = [[] for _ in range(d_num+1)]
for _ in range(d_num):
u, k, *neighbors = map(int, stdin.readline().split())
for v in neighbors:
graph[u].append(v)
visited = set()
timestamps = [None for _ in range(d_num+1)]
def dfs(u, stmp):
visit... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,015 |
s189335521 | p02238 | u491916705 | 1502764937 | Python | Python | py | Accepted | 10 | 6900 | 1,894 | from collections import OrderedDict
class Stack():
def __init__(self):
self.el = []
def add(self, el):
self.el.append(el)
def pop(self):
return self.el.pop()
def top(self):
return self.el[-1]
def isEmpty(self):
if self.el:
return False
ret... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,016 |
s253568536 | p02238 | u510829608 | 1502860696 | Python | Python3 | py | Accepted | 20 | 7828 | 729 | N = int(input())
Adj = [[0 for i in range(N)] for j in range(N)]
for i in range(N):
u = list(map(int, input().split()))
if u[1] > 0:
for k in u[2: 2+u[1]]:
Adj[u[0] - 1][k - 1] = 1
color = [0] * N #1: visited, 0: not visited, 2: completed
s = [0] * N # start
f = [0... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,017 |
s581546860 | p02238 | u855199458 | 1502977637 | Python | Python3 | py | Accepted | 20 | 7832 | 951 | # -*- coding: utf-8 -*-
import sys
sys.setrecursionlimit(100000)
N = int(input())
adj = [[0]*N for _ in range(N)]
searched = {n: 0 for n in range(N)}
edge = {}
for n in range(N):
inp = list(map(int, input().split()))
edge[n] = inp[1]
for i in inp[2:]:
adj[inp[0]-1][i-1] = 1
time = 1
stack = []
uns... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,018 |
s402153526 | p02238 | u519227872 | 1504185059 | Python | Python3 | py | Accepted | 20 | 7800 | 1,132 | n = int(input())
graph = {}
ans = []
np = set(range(1,n+1))
for i in range(n):
t = list(map(int, input().split()))
v = t[0]
k = t[1]
graph[v] = [t[i+2] for i in range(k)]
np=np - set(graph[v])
ans.append([v,None,None])
class Time:
def __init__(self):
self.time = 0
def getTime(se... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,019 |
s443329337 | p02238 | u193453446 | 1504768743 | Python | Python3 | py | Accepted | 20 | 7808 | 1,027 | def srch(u, cnt, Dst, Fst, Lst):
S = [u]
Fst[u] = cnt
while(len(S) > 0):
cnt += 1
u = S.pop()
if Dst[u] is not None and len(Dst[u]) > 0:
while(len(Dst[u])):
u1 = Dst[u].pop()
if Fst[u1] == 0:
S.append(u)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,020 |
s386853379 | p02238 | u659034691 | 1504950061 | Python | Python3 | py | Accepted | 50 | 7916 | 933 | #depth first
N=int(input())
V=[]
a=[0]
for i in range(N):
V.append([int(i) for i in input().split()])
w=V[i][2:]
w.sort()
V[i]=V[i][:2]+w
a.append(0)
V=sorted(V,key=lambda x:x[0])
c=1
t=1
i=0
r=[1]
a[1]=1
p=[[1,t]]
q=[]
while t<N*2:
j=2
while t<N*2 and j-2<V[i][1] and V[i][1]>0 and a[V[i]... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,021 |
s783611717 | p02238 | u810434660 | 1505305902 | Python | Python3 | py | Accepted | 20 | 7840 | 1,659 | # coding: utf-8
timestamp = 1
stack = []
indata = []
visit = [] #?¨?????¨????
visitTime = [] #?¨???????????¨??????¨
lastTimeStack = [] #?¨?????????????????¨??????¨
def inputdata():
global visit
global indata
global visitTime
n = int(input().rstrip())
for i in range(n):... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,022 |
s337912919 | p02238 | u796784914 | 1505543956 | Python | Python | py | Accepted | 10 | 6496 | 622 | def main():
n = input()
A = []
s = []
B = [[0,0] for i in xrange(n)]
for i in xrange(n):
A.append(map(int,raw_input().split()))
color = [-1]*n
d = [0]*n
f = [0]*n
t = 0
for i in xrange(n):
if color[i] == -1:
t = dfs(i,t,color,d,f,A,n)
for i ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,023 |
s181767555 | p02238 | u368364462 | 1505656962 | Python | Python | py | Accepted | 10 | 6432 | 1,012 | N = input()
color = [0] * N
d = [0] * N
f = [0] * N
nt = [0] * N
m = [[0] * N for i in range(N)]
S = []
tt = 0
def next(u):
global nt
w = nt[u]
for v in range(w, N):
nt[u] = v + 1
if( m[u][v] ):
return v
return -1
def dfs_visit(r):
global tt
S.append(r)
color[r... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,024 |
s585958504 | p02238 | u236679854 | 1506952359 | Python | Python3 | py | Accepted | 20 | 7748 | 576 | n = int(input())
G = []
checked = [False for i in range(n + 1)]
d = [0 for i in range(n + 1)]
f = [0 for i in range(n + 1)]
G.append([])
for i in range(n):
u, k, *v = map(int, input().split())
G.append(v)
timestamp = 1
def dfs(id):
global timestamp
checked[id] = True
d[id] = timestamp
timesta... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,025 |
s500093372 | p02238 | u792145349 | 1507347803 | Python | Python3 | py | Accepted | 50 | 7832 | 814 | n = int(input())
graph = [list(map(int, input().split())) for i in range(n)]
v_color = ["WHITE"] * (n+1) # WHITE:????¨???????GRAY:?¨??????????BLACK:??¢?´¢??????
d = [0] * (n+1)
f = [0] * (n+1)
stack = []
time = 0
def DFS(u):
global time
stack.append(u)
while stack != []:
u = stack[-1]
time... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,026 |
s294754556 | p02238 | u756958775 | 1507397373 | Python | Python3 | py | Accepted | 50 | 7852 | 741 | n = int(input())
A = [[False for _ in range(n)] for _ in range(n)]
for _ in range(n):
tmp = list(map(int, input().split()))
for i in range(tmp[1]):
A[tmp[0]-1][tmp[i+2]-1] = True
WHITE = 0
GRAY = 1
BLACK = 2
color = [WHITE for _ in range(n)]
d = [0 for _ in range(n)]
f = [0 for _ in range(n)]
time = 1
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,027 |
s053228742 | p02238 | u798803522 | 1509548306 | Python | Python3 | py | Accepted | 30 | 8144 | 701 | from collections import defaultdict
def dfs(here, connect, visited, answer):
global time
answer[here][1] = time
time += 1
visited[here] = 1
for c in connect[here]:
if not visited[c]:
dfs(c, connect, visited, answer)
answer[here][2] = time
time += 1
v_num = int(input())
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,028 |
s417908155 | p02238 | u024715419 | 1510552905 | Python | Python3 | py | Accepted | 20 | 7896 | 620 | j = 1
def dfs(graph, start, result, visited=None):
global j
if visited == None:
visited = []
visited.append(start)
result[start][1] = j
for next in graph[start][2:]:
if next in visited:
continue
j += 1
dfs(graph, next, result, visited)
else:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,029 |
s370577174 | p02238 | u856963614 | 1511541637 | Python | Python3 | py | Accepted | 50 | 7932 | 1,156 | n=int(input())
adj=[]
for i in range(n):
adj.append(list(map(int, input().split())))
edge=[[0 for i2 in range(n)]for i1 in range(n)]
#??£??\???????????????
for i in range(n):
for j in range(adj[i][1]):
edge[i][adj[i][j+2]-1]=1
time=1
discover=[0 for i in range(n)]
final=[0 for i in range(n)]
stac... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,030 |
s611604389 | p02238 | u626266743 | 1511872300 | Python | Python3 | py | Accepted | 20 | 5808 | 727 | def dfs(u):
global dfs_color, d, f, t
color[u] = GRAY
d[u] += t
t += 1
for v in range(n):
if (M[u][v] == 0):
continue
else:
if (color[v] == WHITE):
dfs(v)
color[u] = BLACK
f[u] = t
t += 1
n = int(input())
M = [[False for i in range(... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,031 |
s921083890 | p02238 | u424457654 | 1511884567 | Python | Python3 | py | Accepted | 20 | 5808 | 729 | def dfs_visit(u):
global dfs_color, d, f, t
color[u] = GRAY
d[u] += t
t += 1
for v in range(n):
if M[u][v] == 0:
continue
if color[v] == WHITE:
dfs_visit(v)
color[u] = BLACK
f[u] += t
t += 1
n = int(input())
M = [[False for i in range(n)] for j in... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,032 |
s510761537 | p02238 | u845643816 | 1511921309 | Python | Python3 | py | Accepted | 20 | 5796 | 641 | n = int(input())
a = [[0]*n for i in range(n)]
for i in range(n):
v = list(map(int, input().split()))
u = v[0]
k = v[1]
for j in range(k):
a[u - 1][v[2 + j] - 1] = 1
d = [0] * n
f = [0] * n
isDiscovered = [False] * n
time_stamp = 0
def dfs(x):
global time_stamp
isDiscovered [x] = Tr... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,033 |
s674626824 | p02238 | u845643816 | 1511921494 | Python | Python3 | py | Accepted | 20 | 5796 | 632 | n = int(input())
a = [[False]*n for i in range(n)]
for i in range(n):
v = list(map(int, input().split()))
u = v[0]
k = v[1]
for j in range(k):
a[u - 1][v[2 + j] - 1] = True
d = [0] * n
f = [0] * n
isDiscovered = [False] * n
time_stamp = 0
def dfs(x):
global time_stamp
isDiscovered [... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,034 |
s755767518 | p02238 | u845643816 | 1512127178 | Python | Python3 | py | Accepted | 20 | 5656 | 559 | n = int(input())
a = [[] for i in range(n)]
for i in range(n):
v = list(map(int, input().split()))
u = v[0] - 1
for j in v[2:]:
a[u].append(j-1)
d = [0] * n
f = [0] * n
isDiscovered = [False] * n
time_stamp = 0
def dfs(x):
global time_stamp
isDiscovered [x] = True
time_stamp += 1
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,035 |
s797444307 | p02238 | u185486509 | 1514703473 | Python | Python3 | py | Accepted | 20 | 5660 | 475 | n=int(input())
adj=[None]
for i in range(n):
adj_i=list(map(int,input().split()[2:]))
adj.append(adj_i)
sndf=[None]
for i in range(1,n+1):
sndf.append([False,i])
path=[]
time=0
def dfs(u):
global time
sndf[u][0]=True
time+=1
sndf[u].append(time)
for v in adj[u]:
if not sndf[v][0]... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,036 |
s799686333 | p02238 | u672443148 | 1515302718 | Python | Python3 | py | Accepted | 20 | 5628 | 536 | n=int(input())
d=[0 for _ in range(n+1)]
f=[0 for _ in range(n+1)]
G=[]
G.append([])
for i in range(n):
u,k,*v=map(int,input().split())
G.append(v)
checked=[False for _ in range(n+1)]
timestamp=1
def dfs(id):
global timestamp
d[id]=timestamp
checked[id]=True
timestamp+=1
for v in G[id]:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,037 |
s380201502 | p02238 | u650712316 | 1517659488 | Python | Python3 | py | Accepted | 30 | 6072 | 1,054 | # coding: UTF-8
from collections import deque
#入力値の整理
n = int(input())
adj={}
visited={}
d={}
f={}
t=0
visited=set()
for i in range(n):
raw=list(map(int,input().split()))
u = raw.pop(0)
k = raw.pop(0)
raw.sort()
q = deque(raw)
adj[u] = q
d[u] = -1
f[u] = -1
next = 1
v = next
d[next] = t + 1
stack = d... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,038 |
s508187137 | p02238 | u650712316 | 1517745954 | Python | Python3 | py | Accepted | 30 | 6088 | 780 | # coding: UTF-8
from collections import deque
n = int(input())
arrow = {}
visited = set()
d = {}
f = {}
for i in range(n):
raw = list(map(int,input().split()))
#print(raw)
u = raw.pop(0)
k = raw.pop(0)
raw.sort()
q = deque(raw)
arrow[u] = q
d[u] = -1
f[u] = -1
def dfslocal(v,t,arrow,f,d):
t += 1
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,039 |
s866986064 | p02238 | u662418022 | 1517921315 | Python | Python3 | py | Accepted | 20 | 5800 | 777 | # -*- coding: utf-8 -*-
if __name__ == '__main__':
n = int(input())
M = [[0 for i in range(n)] for j in range(n)]
for _ in range(n):
l = list(map(int, input().split(" ")))
u = l[0]
k = l[1]
if k != 0:
for v in l[2:]:
M[u-1][v-1] = 1
col... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,040 |
s349738748 | p02238 | u152085200 | 1518402283 | Python | Python | py | Accepted | 10 | 4756 | 1,358 | from sys import stdin
global time
time = 0
def dfs(graph,start,state,discover,finish):
state[start-1] = 1
global time
time = time + 1
discover[start-1] = time
# print str(time) + " go to " + str(start)
neighbours = sorted(graph[start])
for neighbour in neighbours:
if state[neigh... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,041 |
s245896837 | p02238 | u426534722 | 1519051307 | Python | Python3 | py | Accepted | 20 | 5628 | 597 | def MAIN():
n = int(input())
ans = [[i, 0, 0] for i in range((n + 1))]
G = [[] for _ in range((n + 1))]
for _ in range(n):
u, k, *v = map(int, input().split())
G[u] = v
cnt = 1
def dfs(u):
nonlocal ans
if ans[u][1] != 0:
return
nonlocal cnt
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,042 |
s987648723 | p02238 | u426534722 | 1519051445 | Python | Python3 | py | Accepted | 20 | 5720 | 578 | def MAIN():
n = int(input())
ans = [[i, 0, 0] for i in range((n + 1))]
G = [[] for _ in range((n + 1))]
for _ in range(n):
u, k, *v = map(int, input().split())
G[u] = v
cnt = 1
def dfs(u):
nonlocal ans
if ans[u][1] != 0:
return
nonlocal cnt
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,043 |
s645654709 | p02238 | u426534722 | 1519051541 | Python | Python3 | py | Accepted | 20 | 5656 | 548 | def MAIN():
n = int(input())
ans = [[i, 0, 0] for i in range((n + 1))]
G = [[] for _ in range((n + 1))]
for _ in range(n):
u, k, *v = map(int, input().split())
G[u] = v
cnt = 1
def dfs(u):
nonlocal ans
if ans[u][1] != 0:
return
nonlocal cnt
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,044 |
s211779468 | p02238 | u150984829 | 1520027688 | Python | Python3 | py | Accepted | 30 | 5792 | 339 | def d(u):
global t
C[u]=1;t+=1;D[u]=t
for v in range(N):
if M[u][v]and C[v]==0:d(v)
C[u]=2;t+=1;F[u]=t
N=int(input())
M=[[0]*N for _ in[0]*N]
for e in[list(map(int,input().split()))for _ in[0]*N]:
for v in e[2:]:M[e[0]-1][v-1]=1
C,D,F=[0]*N,[0]*N,[0]*N
t=0
for i in range(N):
if C[i]==0:d(i)
for i in range(N):pr... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,045 |
s268581998 | p02238 | u150984829 | 1520027690 | Python | Python3 | py | Accepted | 20 | 5788 | 339 | def d(u):
global t
C[u]=1;t+=1;D[u]=t
for v in range(N):
if M[u][v]and C[v]==0:d(v)
C[u]=2;t+=1;F[u]=t
N=int(input())
M=[[0]*N for _ in[0]*N]
for e in[list(map(int,input().split()))for _ in[0]*N]:
for v in e[2:]:M[e[0]-1][v-1]=1
C,D,F=[0]*N,[0]*N,[0]*N
t=0
for i in range(N):
if C[i]==0:d(i)
for i in range(N):pr... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,046 |
s147233261 | p02238 | u150984829 | 1520027842 | Python | Python3 | py | Accepted | 20 | 5800 | 334 | def d(u):
global t
C[u]=1;t+=1;D[u]=t
for v in range(N):
if M[u][v]and C[v]==0:d(v)
C[u]=2;t+=1;F[u]=t
N=int(input())
M=[[0]*N for _ in[0]*N]
for e in[input().split()for _ in[0]*N]:
for v in e[2:]:M[int(e[0])-1][int(v)-1]=1
C,D,F=[0]*N,[0]*N,[0]*N
t=0
for i in range(N):
if C[i]==0:d(i)
for i in range(N):print(i... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,047 |
s766404856 | p02238 | u150984829 | 1520028606 | Python | Python3 | py | Accepted | 30 | 5792 | 305 | def d(u):
global t
C[u]=0;t+=1;D[u]=t
for v in R:
if M[u][v]and C[v]:d(v)
t+=1;F[u]=t
N=int(input());R=range(N)
M=[[0]*N for _ in R]
for e in[input().split()for _ in R]:
for v in e[2:]:M[int(e[0])-1][int(v)-1]=1
C,D,F=[1]*N,[0]*N,[0]*N
t=0
for i in R:
if C[i]:d(i)
for i in R:print(i+1,D[i],F[i])
| p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,048 |
s783398543 | p02238 | u150984829 | 1520028608 | Python | Python3 | py | Accepted | 20 | 5796 | 305 | def d(u):
global t
C[u]=0;t+=1;D[u]=t
for v in R:
if M[u][v]and C[v]:d(v)
t+=1;F[u]=t
N=int(input());R=range(N)
M=[[0]*N for _ in R]
for e in[input().split()for _ in R]:
for v in e[2:]:M[int(e[0])-1][int(v)-1]=1
C,D,F=[1]*N,[0]*N,[0]*N
t=0
for i in R:
if C[i]:d(i)
for i in R:print(i+1,D[i],F[i])
| p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,049 |
s824781972 | p02238 | u150984829 | 1520029205 | Python | Python3 | py | Accepted | 20 | 5720 | 243 | def d(u):
global t
C[u]=0;D[u]=t;t+=1
for v in M[u]:
v=int(v)-1
if C[v]:d(v)
F[u]=t;t+=1
N=int(input());R=range(N)
M=[input().split()[2:]for _ in R]
C,D,F=[1]*N,[0]*N,[0]*N
t=1
for i in R:
if C[i]:d(i)
for i in R:print(i+1,D[i],F[i])
| p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,050 |
s049425709 | p02238 | u150984829 | 1520029395 | Python | Python3 | py | Accepted | 20 | 5720 | 236 | def d(u):
global t
C[u]=0;D[u]=t;t+=1
for v in M[u]:v=int(v)-1;C[v]and d(v)
F[u]=t;t+=1
N=int(input());R=range(N)
M=[input().split()[2:]for _ in R]
C,D,F=[1]*N,[0]*N,[0]*N
t=1
for i in R:C[i]and d(i)
for i in R:print(i+1,D[i],F[i])
| p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,051 |
s069870186 | p02238 | u150984829 | 1520029956 | Python | Python3 | py | Accepted | 20 | 5712 | 234 | def d(u):
global t
C[u]=1;D[u]=t;t+=1
for v in M[u]:v=int(v)-1;C[v]or d(v)
F[u]=t;t+=1
N=int(input());R=range(N)
M=[input().split()[2:]for _ in R]
C,D,F=[0]*N,[0]*N,[0]*N
t=1
for i in R:C[i]or d(i)
for i in R:print(i+1,D[i],F[i])
| p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,052 |
s658939185 | p02238 | u869924057 | 1520423856 | Python | Python3 | py | Accepted | 20 | 5708 | 1,343 | class Vertex:
_id = -1
_children = []
_visited = False
_visited_time = 0
_all_visited_time = 0
def __init__(self, i, c):
self._id = i
self._children = c
def getId(self):
return self._id
def getChildren(self):
return self._children
def isVisited(sel... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,053 |
s588114089 | p02238 | u126478680 | 1525502311 | Python | Python3 | py | Accepted | 40 | 6488 | 1,166 | from enum import Enum, auto
class Color(Enum):
WHITE = auto() # 未訪問の頂点
GRAY = auto() # 訪問済みだが, 全ての接点の調査は済んでいない状態の接点
BLACK = auto() # 訪問, 調査済みの接点
n = int(input())
d = [0 for i in range(n)]
f = [0 for i in range(n)]
colors = [] # 頂点の訪問状態
A = [[0 for j in range(n)] for i in range(n)] # 隣接行列
# stack = [] ## ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,054 |
s339865247 | p02238 | u138546245 | 1525938007 | Python | Python3 | py | Accepted | 30 | 5684 | 2,338 | import abc
class AdjacentGraph:
"""Implementation adjacency-list Graph.
Beware ids are between 1 and size.
"""
def __init__(self, size):
self.size = size
self._nodes = [[0] * (size+1) for _ in range(size+1)]
def set_adj_node(self, id_, adj_id):
self._nodes[id_][adj_id] = 1... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,055 |
s703240547 | p02238 | u404682284 | 1528692311 | Python | Python3 | py | Accepted | 20 | 5620 | 958 | import sys
n = int(input())
input_line = [[int(i) for i in str.split()] for str in sys.stdin.read().splitlines()]
for i in range(n):
input_line[i] = [] if len(input_line[i]) == 2 else input_line[i][2:]
detect_time = [0] * n
finish_time = [0] * n
is_visit = [False] * n
stack = []
time = 0
while(time < n*2):
tim... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,056 |
s886144234 | p02238 | u368083894 | 1528715833 | Python | Python3 | py | Accepted | 20 | 5660 | 719 |
d = None
f = None
def dfs(g, cur, time):
global d, f
d[cur] = time
for next in g[cur]:
if d[next] == 0:
time = dfs(g, next, time+1)
f[cur] = time + 1
return time + 1
def main():
global d, f
n = int(input())
g = [[] for _ in range(n)]
d = [0 for _ in range(n)]... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,057 |
s471115012 | p02238 | u088372268 | 1529241342 | Python | Python3 | py | Accepted | 20 | 5812 | 689 | n = int(input())
m = [[0 for j in range(n)] for i in range(n)]
color = [0 for i in range(n)]
d = [0 for i in range(n)]
f = [0 for i in range(n)]
time = [0]
def dfs(u):
color[u] = 1
time[0] += 1
d[u] = time[0]
for i in range(n):
if m[u][i] == 1 and color[i] == 0:
dfs(i)
color[u... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,058 |
s902316581 | p02238 | u896240461 | 1529480376 | Python | Python3 | py | Accepted | 20 | 5656 | 551 | n = int(input())
g = []
for i in range(n):
a = list(map(int,input().split()))
g.append(a[2:])
d = [0]*n
f = [0]*n
global t
t = 1
d[0] = 1
x = 1
def find(x):
global t
if len(g[x-1]) == 0:
t += 1
f[x-1] = t
else:
for i in g[x-1]:
if d[i-1] == 0:
t +=... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,059 |
s002666432 | p02238 | u896240461 | 1529480492 | Python | Python3 | py | Accepted | 20 | 5660 | 529 | n = int(input())
g = []
for i in range(n):
a = list(map(int,input().split()))
g.append(a[2:])
d = [0]*n
f = [0]*n
global t
t = 0
def find(x):
global t
if len(g[x-1]) == 0:
t += 1
f[x-1] = t
else:
for i in g[x-1]:
if d[i-1] == 0:
t += 1
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,060 |
s821945586 | p02238 | u848218390 | 1529481894 | Python | Python3 | py | Accepted | 20 | 5732 | 1,099 | global t
t = 0
class Node:
def __init__(self, num, deg, neib):
self.num = num
self.deg = deg
self.neib = neib
def dfs(G, d, f, now): #now:1,2,...
#print("now:",now)
global t
t += 1
#print("t:",t)
if d[now-1] != 0:
t -= 1
#print("has searched or hit roop"... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,061 |
s852501072 | p02238 | u826549974 | 1529487058 | Python | Python3 | py | Accepted | 20 | 5744 | 1,000 | n = int(input())
B = [[0 for i in range(n)] for j in range(n)]
chk = [0 for i in range(n)]
s = []
i_array = [0 for i in range(n)]
time = 1
node_start_time = [0 for i in range(n)]
node_finish_time = [0 for i in range(n)]
for i in range(n):
A = list(map(int,input().split()))
for j in range(A[1]):
B[A[0]-... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,062 |
s020659535 | p02238 | u055885332 | 1529643947 | Python | Python3 | py | Accepted | 20 | 5736 | 1,202 | #16D8101014F KurumeRyunosuke 2018/6/20
n=int(input())
ls=[[0 for i in range(n)]for j in range(n)]
for i in range(n):
tmp=input().split()
for j in range(int(tmp[1])):
ls[i][int(tmp[j+2])-1]=1
"""
for i in range(n):
for j in range(n):
if(j!=n-1):
print(int(ls[i][j]), end=' ')
else:
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,063 |
s775872670 | p02238 | u318430977 | 1529683138 | Python | Python3 | py | Accepted | 30 | 5636 | 635 | def dfs(adj, s, d, f, now):
now += 1
d[s] = now
for t in adj[s]:
if t != s and f[t] < 0 and d[t] < 0:
d, f, now = dfs(adj, t, d, f, now)
now += 1
f[s] = now
return d, f, now
n = int(input())
adj = [[] for _ in range(n)]
for _ in range(n):
s = [int(x) for x in input().sp... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,064 |
s390194647 | p02238 | u772417059 | 1529690572 | Python | Python3 | py | Accepted | 20 | 5668 | 531 | n=int(input())
next=[[] for i in range(n)]
for i in range(n):
l=list(map(int,input().split()))
u=l[0]
k=l[1]
for j in range(2,k+2):
next[u-1].append(l[j]-1)
stk=[]
stk.append(0)
time=1
d=[0 for i in range(n)]
f=[0 for i in range(n)]
know=[0 for i in range(n)]
def dfs(x):
global time
know[x]=1
d[x]=time
tim... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,065 |
s729735083 | p02238 | u196653484 | 1529796622 | Python | Python3 | py | Accepted | 20 | 5692 | 844 | n=0
t=1
def adjacent_matrix():
global n
n=int(input())
v=[]
array=[]
for i in range(n):
zero=[0 for i in range(n)]
a=list(map(int,input().split()))
a=a[2:]
for j in a:
zero[j-1]=1
array.append(zero)
return array
def dfs(array,i,d,f):
global... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,066 |
s708326341 | p02238 | u684325232 | 1530008019 | Python | Python3 | py | Accepted | 30 | 5736 | 1,222 |
n=int(input())
l=[[0 for i in range(n)] for j in range(n)]##静的確保 隣接行列
d=[0 for i in range(n)]##発見
f=[0 for i in range(n)]##完了
stack=[]##スタック
check=[]
for i in range(n):
p=[int(x) for x in input().split()]
for j in range(n):
if j+1 in p[2:]:
l[i][j]=1
##print("---隣接行列---")
##print(l)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,067 |
s366044022 | p02238 | u217703215 | 1530009195 | Python | Python3 | py | Accepted | 20 | 5740 | 972 | n=int(input())
a=[[0 for i in range(n)]for j in range(n)]
for i in range(n):
v=list(input().split())
for j in range(len(v)):
v[j]=int(v[j])
x=2
for k in range(v[1]):
a[i][v[x+k]-1]=1
#print(a)
stack=[]
v=[]
d=[0]*n
f=[0]*n
t=1
while len(v)<n:
for i in range(n):
if i+1 not i... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,068 |
s486676255 | p02238 | u564105430 | 1530017954 | Python | Python3 | py | Accepted | 20 | 5660 | 429 | time=1
n=int(input())
A=[[] for i in range(n)]
d=[0 for i in range(n)]
f=[0 for i in range(n)]
for i in range(n):
a=list(map(int,input().split()))
for j in range(a[1]):
A[i].append(a[2+j]-1)
def dfs(q,num):
global d,f,time
d[num]=time
for nx in q[num]:
if d[nx]==0:
time+=1
dfs(q,nx)
time+=1
f[num]=t... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,069 |
s139490142 | p02238 | u408444038 | 1530064668 | Python | Python3 | py | Accepted | 30 | 5800 | 606 | cnt = 1
def dep(G,s_cnt,f_cnt,np):
global cnt
s_cnt[np] = cnt
cnt += 1
for i in range(n):
if G[np][i] == 1 and s_cnt[i] == 0:
dep(G,s_cnt,f_cnt,i)
f_cnt[np] = cnt
cnt += 1
n = int(input())
G = [[0 for i in range(n)] for j in range(n)]
s_cnt = [0 for i in range(n)]
f_cnt... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,070 |
s289066386 | p02238 | u252641015 | 1530079062 | Python | Python3 | py | Accepted | 20 | 5660 | 465 | def dfs(v, cnt):
D[v] = cnt
cnt += 1
for c in edge[v]:
if D[c] == -1:
cnt = dfs(c, cnt)
F[v] = cnt
cnt += 1
return cnt
V = int(input())
edge = [[] for _ in range(V)]
for _ in range(V):
u, _, *v = map(lambda x: int(x)-1, input().split())
edge[u] = sorted(v)
D, F = ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,071 |
s587520034 | p02238 | u148477094 | 1530079113 | Python | Python3 | py | Accepted | 20 | 5716 | 234 | def d(u):
global t
C[u]=1;D[u]=t;t+=1
for v in M[u]:v=int(v)-1;C[v]or d(v)
F[u]=t;t+=1
N=int(input());R=range(N)
M=[input().split()[2:]for _ in R]
C,D,F=[0]*N,[0]*N,[0]*N
t=1
for i in R:C[i]or d(i)
for i in R:print(i+1,D[i],F[i])
| p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,072 |
s379116415 | p02238 | u007270338 | 1530188457 | Python | Python3 | py | Accepted | 40 | 6640 | 1,513 | #coding:utf-8
from copy import deepcopy
n = int(input())
c = ["white" for i in range(n)]
d = [0 for i in range(n)]
f = [0 for i in range(n)]
S = []
class DFS:
def __init__(self, key, color="white",nex=None):
self.color = color
self.nex = nex
self.key = key
objListCopy = [DFS(i+1) for i in ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,073 |
s705130659 | p02238 | u007270338 | 1530189158 | Python | Python3 | py | Accepted | 30 | 6372 | 1,395 | #coding:utf-8
from copy import deepcopy
n = int(input())
c = ["white" for i in range(n)]
d = [0 for i in range(n)]
f = [0 for i in range(n)]
S = []
class DFS:
def __init__(self, key, color="white",nex=None):
self.color = color
self.nex = nex
self.key = key
objList = [DFS(i+1) for i in rang... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,074 |
s325734799 | p02238 | u912237403 | 1375431979 | Python | Python | py | Accepted | 20 | 4312 | 700 | import sys
global stamp, counter
stamp = {}
counter=0
def dfs(key, GRAPH):
global stamp, counter
if stamp[key][0]==0:
counter += 1
stamp[key][0] = counter
elif stamp[key][1] !=0:
return
for e in GRAPH[key]:
try:
if stamp[e][0] == 0:
dfs(e, G... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,075 |
s653953514 | p02238 | u782850731 | 1380694832 | Python | Python | py | Accepted | 20 | 4308 | 632 | #!/usr/bin/env python
from __future__ import division, print_function
from sys import stdin
def walk(index, tm, L, d, f):
tm += 1
d[index] = tm
for i in L[index]:
if not d[i-1]:
tm = walk(i-1, tm, L, d, f)
tm += 1
f[index] = tm
return tm
def main():
num = int(stdin.re... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,076 |
s679270322 | p02238 | u140201022 | 1389304864 | Python | Python | py | Accepted | 20 | 4656 | 672 | #!/usr/bin/env python
# -*- coding:utf-8 -*-
from __future__ import division,print_function
import time
import sys
import io
import re
import math
start = time.clock()
i = 0
def walk(index,tm,L,d,f):
tm+=1
d[index]=tm
for i in L[index]:
if not d[i-1]:
tm=walk(i-1,tm,L,d,f)
tm+=1
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,077 |
s000399026 | p02238 | u327396500 | 1597762126 | Python | Python3 | py | Accepted | 40 | 6092 | 955 | import sys
input = sys.stdin.readline
from collections import deque
n = int(input())
graph = {i: deque() for i in range(1, n+1)}
for _ in range(n):
u, k, *v = [int(x) for x in input().split()]
v.sort()
for i in v:
graph[u].append(i)
#graph[i].append(u)
seen = [0]*(n+1)
stack = []
time = 0
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,078 |
s932246948 | p02238 | u864060739 | 1597748988 | Python | Python3 | py | Accepted | 20 | 5652 | 624 | from sys import stdin
input = stdin.readline
def DFS(node):
global time
if discoveredtime[node] == -1:
discoveredtime[node] = time
time += 1
for child in childlist[node]:
DFS(child)
finishedtime[node] = time
time += 1
N = int(input())
childlist = ... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,079 |
s345946842 | p02238 | u754923116 | 1597495188 | Python | Python3 | py | Accepted | 20 | 5716 | 830 | N = int(input())
DG = {}
node_ls = []
is_visited = {}
#有効グラフをdictで管理することにする
for _ in range(N):
tmp = input().split()
node_id = tmp[0]
node_ls.append(node_id)
is_visited[node_id] = False
adj_num = int(tmp[1])#各頂点の次元が入っている
if adj_num != 0:
DG[node_id] = tmp[2:]
else:
DG[node_id... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,080 |
s661155139 | p02238 | u880802684 | 1597380027 | Python | Python3 | py | Accepted | 20 | 5712 | 736 | n = int(input())
graph = {}
for i in range(1, n + 1):
data = input().split()
graph[i] = [int(i) for i in data[2:]]
class dfs:
def __init__(self, graph):
self.g = graph
self.visited = set()
self.time = 0
self.res = {}
def dfs(self, cur):
self.visited.add(cur)
... | p02238 |
<script type="text/x-mathjax-config">
MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"], ["\\(","\\)"]], processEscapes: true }});
</script>
<script language="JavaScript" type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML">
</script>
<H1>Depth First Search</H1>
<p... | 4
1 1 2
2 1 4
3 0
4 1 3
| 1 1 8
2 2 7
3 4 5
4 3 6
| 29,081 |
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