Submission #24677

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
24677	2017-06-11 15:47:18	Bruteforceman	Pipes (CEOI15_pipes)	C++11	100 / 100	1478 ms	13984 KiB

pipes

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#include "bits/stdc++.h"
using namespace std;
int *par;
int *bic;
vector <int> *g;
int *low, *disc;
bitset <100005> vis;
vector <int> l, r;
int root(int x, int *a) {
  if(a[x] == x) return x;
  return a[x] = root(a[x], a);
}
void join(int x, int y, int *a) {
  x = root(x, a);
  y = root(y, a);
  if(x != y) {
    a[x] = y;
  }
}
int tym;
void dfs(int x, int parent) {
  vis[x] = 1;
  low[x] = disc[x] = ++tym;
  bool see = false;
  for(auto i : g[x]) {
    if (!see && i == parent) {
      see = true;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pipes.cpp: In function 'int main(int, const char**)':
pipes.cpp:49:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
pipes.cpp:60:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &p, &q);
   ~~~~~^~~~~~~~~~~~~~~~~

• 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