Submission #110758

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
110758	2019-05-12 07:52:02	ckodser	Pipes (BOI13_pipes)	C++14	65 / 100	162 ms	27384 KiB

pipes

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#include<bits/stdc++.h>
#define pb push_back
using namespace std;
typedef long long ll;
const int N = 100005;
int n, m, cv, cu, A[N], B[N], M[N], P[N], R[N];
ll C[N], D[N];
vector < int > Adj[N];
void DFSC(int v, int p)
{
  M[v] = 1;
  for (int id : Adj[v])
    if (id != p)
    {
      int u = A[id] ^ B[id] ^ v;
      if (M[u])
        cv = v, cu = u;
      if (!M[u])
        P[u] = v, DFSC(u, id);
    }
}
void DFS(int v, int p)
{
  for (int id : Adj[v])
    if (id != p)
      DFS(A[id] ^ B[id] ^ v, id);
  int par = A[p] ^ B[p] ^ v;
  D[p] += C[v] + C[v];
  C[par] -= C[v];
  C[v] = 0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pipes.cpp: In function 'int main()':
pipes.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
pipes.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &C[i]);
   ~~~~~^~~~~~~~~~~~~~~
pipes.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &A[i], &B[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 35 / 70