Submission #542776

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
542776	2022-03-28 01:00:20	chonka	Making Friends on Joitter is Fun (JOI20_joitter2)	C++98	100 / 100	1979 ms	170612 KiB

joitter2

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#include<bits/stdc++.h>
using namespace std ;
#define MAXN 300007
int n , m ;
pair < int , int > a[ MAXN ] ;
set < int > v[ MAXN ] ;
map < int , int > entering[ MAXN ] ;
map < int , int > leaving[ MAXN ] ;
set < int > all_entering[ MAXN ] ;
int sm_entering[ MAXN ] ;
int prv[ MAXN ] ;
int cnt[ MAXN ] , sz[ MAXN ] ;
long long ans = 0 ;
int get ( int x ) {
    if ( prv[ x ] == -1 ) { return x ; }
    int y = get ( prv[ x ] ) ;
    prv[ x ] = y ;
    return y ;
}
void unite ( int x , int y ) {
    int k1 = get ( x ) ;
    int k2 = get ( y ) ;
    vector < int > to_unite ;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

joitter2.cpp: In function 'void unite(int, int)':
joitter2.cpp:40:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   40 |         for ( auto [ aux , cnt ] : entering[ k2 ] ) {
      |                    ^
joitter2.cpp:52:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   52 |         for ( auto [ aux , cnt ] : leaving[ k2 ] ) {
      |                    ^

• Subtask 1: 1 / 1
• Subtask 2: 16 / 16
• Subtask 3: 83 / 83