Submission #405200

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
405200	2021-05-15 21:27:28	CaroLinda	Inside information (BOI21_servers)	C++14	50 / 100	375 ms	34212 KiB

servers

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#include <bits/stdc++.h>
const int MAXN = 240010 ;
const int LOG = 20 ;
using namespace std ;
int N , K ;
int aresta_pai[MAXN] , max_crescente[MAXN] , max_decrescente[MAXN] ;
int lvl[MAXN] , tin[MAXN] , tout[MAXN] ;
int tab[LOG][MAXN] ;
pair<int,int> queries[MAXN] ;
vector< pair<int,int> > adj[MAXN] ;
int dsu[MAXN] ;
int find(int x) { return dsu[x] = (dsu[x] == x ) ? x : find(dsu[x]) ;  }
bool join(int x, int y, bool consulta = false )
{
  x = find(x) ;
  y = find(y) ;
  if(x == y) return false ;
  if( rand() % 2  ) swap(x,y) ;
  if( !consulta ) dsu[x] = y ;
 
  return true ;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

servers.cpp: In function 'int main()':
servers.cpp:85:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   85 |  scanf("%d %d", &N, &K ) ;
      |  ~~~~~^~~~~~~~~~~~~~~~~~
servers.cpp:89:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   89 |   scanf(" %c", &c ) ;
      |   ~~~~~^~~~~~~~~~~~
servers.cpp:90:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   90 |   scanf("%d", &queries[i].first ) ;
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
servers.cpp:93:13: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   93 |   else scanf("%d", &queries[i].second ) ;
      |        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2.5 / 2.5
• Subtask 2: 0 / 2.5
• Subtask 3: 2.5 / 2.5
• Subtask 4: 0 / 2.5
• Subtask 5: 5 / 5
• Subtask 6: 0 / 5
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 12.5 / 12.5
• Subtask 10: 0 / 12.5
• Subtask 11: 17.5 / 17.5
• Subtask 12: 0 / 17.5