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Envío 4078

Problema 0x53 - Encontrar ciclos en un grafo dirigido

  • Autor: bryancalisto
  • Fecha: 2021-05-06 05:41:25 UTC (Hace más de 3 años)
Caso # Resultado Tiempo Memoria
#1
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 3 KBi
#2
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 7 KBi
#3
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 11 KBi
#4
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 2 KBi
#5
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 3 KBi
#6
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 2 KBi
#7
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.003 s 7 KBi
#8
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 2 KBi
#9
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.006 s 4 KBi
#10
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.003 s 1 KBi
#11
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 4 KBi
#12
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.003 s 2 KBi
#13
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 1 KBi
#14
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.003 s 0 KBi
#15
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.003 s 15 KBi
#16
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 8 KBi
#17
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 15 KBi
#18
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 2 KBi
#19
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.006 s 1 KBi
#20
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 4 KBi
#21
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.006 s 2 KBi
#22
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 7 KBi
#23
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 2 KBi
#24
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 2 KBi
#25
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.004 s 7 KBi
#26
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.007 s 12 KBi
#27
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.05 s 3 KBi
#28
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 4 KBi
#29
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.033 s 3 KBi
#30
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.005 s 1 KBi
#31
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.009 s 2 KBi
#32
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.035 s 2 KBi
#33
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.012 s 5 KBi
#34
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.014 s 3 KBi
#35
Correcto 
                      main.cpp:39:24: warning: '&&' within '||' [-Wlogical-op-parentheses]
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
          ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~
main.cpp:39:24: note: place parentheses around the '&&' expression to silence this warning
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
                       ^
          (                                                        )
1 warning generated.
0.039 s 10 KBi
Puntos totales: 100 / 100

Código

#include <bits/stdc++.h>

using namespace std;

class Graph
{
  int vertices;
  list<int> *adj;
  bool isCyclicUtil(int vertice, bool vertices[], bool *recursionStack);

public:
  Graph(int vertices);
  void addEdge(int u, int v);
  bool isCyclic();
};

Graph::Graph(int vertices)
{
  this->vertices = vertices;
  this->adj = new list<int>[vertices];
}

void Graph::addEdge(int u, int v)
{
  adj[u].push_back(v);
}

bool Graph::isCyclicUtil(int vertice, bool visited[], bool *recursionStack)
{
  if (!visited[vertice])
  {
    visited[vertice] = true;
    recursionStack[vertice] = true;

    list<int>::iterator i;

    for (i = adj[vertice].begin(); i != adj[vertice].end(); i++)
    {
      if (!visited[*i] && isCyclicUtil(*i, visited, recursionStack) || recursionStack[*i])
      {
        return true;
      }
    }
  }

  recursionStack[vertice] = false;
  return false;
}

bool Graph::isCyclic()
{
  bool *visited = new bool[vertices];
  bool *recursionStack = new bool[vertices];

  for (int i = 0; i < vertices; i++)
  {
    visited[i] = false;
    recursionStack[i] = false;
  }

  for (int i = 0; i < vertices; i++)
  {
    if (isCyclicUtil(i, visited, recursionStack))
    {
      return true;
    }
  }
  return false;
}

int main()
{
  int n, m, i;

  cin >> n;
  cin >> m;

  Graph g(n);

  for (i = 0; i < m; i++)
  {
    int u;
    int v;

    cin >> u;
    cin >> v;

    g.addEdge(u, v);
  }

  if (g.isCyclic())
  {
    cout << "Yes";
  }
  else
  {
    cout << "No";
  }

  return 0;
}