Submission #248707

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
248707	2020-07-13 08:19:12	Lawliet	Synchronization (JOI13_synchronization)	C++17	0 / 100	120 ms	18552 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100010;
const int INF = 1000000010;
int n, m, q;
int mnTime[MAXN], mxTime[MAXN];
bool act[MAXN];
vector<int> adj[MAXN];
vector<int> indEdge[MAXN];
int DFS(int cur, int p, int t)
{
  int ans = 1;
  for(int i = 0 ; i < (int)adj[cur].size() ; i++)
  {
    int viz = adj[cur][i];
    int ind = indEdge[cur][i];
    if( viz == p ) continue;
    if( t < mnTime[ind] ) continue;
    ans += DFS( viz , cur , min( t , mxTime[ind] ) );
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'int main()':
synchronization.cpp:37:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&m,&q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:42:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&U,&V);
   ~~~~~^~~~~~~~~~~~~~~
synchronization.cpp:56:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&ind);
   ~~~~~^~~~~~~~~~~
synchronization.cpp:70:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&root);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 10
• Subtask 4: 0 / 20
• Subtask 5: 0 / 40