Submission #41870

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
41870	2018-02-21 18:38:12	octopuses	Pipes (CEOI15_pipes)	C++14	100 / 100	2939 ms	8308 KiB

pipes

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//Giorgi Kldiashvili
#include <bits/stdc++.h>
#define ll long long
#define M 1000000007ll
using namespace std;
const int N = 100001;
int n, m, x, y, timer;
int p[N], P[N], c[N], d[N], in[N], out[N];
vector < int > G[N];
bool used[N];
int Parent(int x)
{
  if(P[x] == x)
    return x;
  return P[x] = Parent(P[x]);
}
void go(int v)
{
  c[v] = d[v] = in[v] = ++ timer;
  used[v] = true;
  for(int i = 0; i < G[v].size(); ++ i)
  {
    if(used[G[v][i]])
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pipes.cpp: In function 'void go(int)':
pipes.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < G[v].size(); ++ i)
                  ~~^~~~~~~~~~~~~
pipes.cpp: In function 'void dfs(int)':
pipes.cpp:40:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < G[v].size(); ++ i)
                  ~~^~~~~~~~~~~~~
pipes.cpp: In function 'int main()':
pipes.cpp:59:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &m);
   ~~~~~^~~~~~~~~~~~~~~~~
pipes.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &x, &y);
     ~~~~~^~~~~~~~~~~~~~~~~
pipes.cpp:81:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &m);
   ~~~~~^~~~~~~~~~~~~~~~~
pipes.cpp:86:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &x, &y);
     ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10