Submission #841792

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
841792	2023-09-02 06:10:00	vjudge1	Roadside Advertisements (NOI17_roadsideadverts)	C++17	30 / 100	1016 ms	18032 KiB

roadsideadverts

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/*#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")*/
#include <bits/stdc++.h>
using namespace std;
#define ll int
map<pair<ll,ll>,ll>mp;
map<ll,ll>pm;
ll m[50010];
ll n,cnt,a1,a2,a3,a4,a5;
ll used[50010];
vector<ll>g[50010];
ll tek=0;
map<ll,ll>ctn;
ll pos[50010];
ll pre[50010];
bool was[50010];
ll nom=1;
void dfs(ll v,ll p)
{
  if(m[v]==1)
  {
    pm[v]=1;
  }
  used[v]=tek;
  for(int it:g[v])
  {
    if(used[it]!=tek)
    {
      dfs(it,v);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

roadsideadverts.cpp: In function 'void anomalous_solve()':
roadsideadverts.cpp:63:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |      scanf("%d%d%d",&u,&v,&c);
      |      ~~~~~^~~~~~~~~~~~~~~~~~~
roadsideadverts.cpp:77:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |    scanf("%d%d%d%d%d",&a1,&a2,&a3,&a4,&a5);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
roadsideadverts.cpp:100:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |    scanf("%d%d%d%d%d",&a1,&a2,&a3,&a4,&a5);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 23 / 23
• Subtask 3: 0 / 40
• Subtask 4: 0 / 30