Submission #301853

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
301853	2020-09-18 08:52:29	infinite_iq	Connecting Supertrees (IOI20_supertrees)	C++14	100 / 100	275 ms	26360 KiB

supertrees

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std ;
#define pb push_back 
#define C continue 
typedef vector < int > vi ;
typedef vector < vi > vivi ;
#include "supertrees.h"
int N ;
vi v [1009] , xxx [1009] , comp ;
int col [1009] , P [1009] , who [1009] , timer ;
void dfs ( int node ) { 
        if ( col [node] ) return ;
        col [node] = timer ;
        comp .pb ( node ) ;
        for ( auto u : v [node] ) dfs ( u ) ;
}
int construct(std::vector<std::vector<int>> p) {
        int n = p.size();
        N = n ;
        vivi ans ;
        for ( int i = 0 ; i < n ; i ++ ) {
                vi ret ( n , 0 ) ;
                ans .pb ( ret ) ;
        }
        for ( int i = 0 ; i < n ; i ++ ) {
                for ( int j = 0 ; j < n ; j ++ ) {
                      if ( p [i][j] == 3 ) return 0 ;
                        if ( p [i][j] == 1 ) {
                                v [i] .pb ( j ) ;
                        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 11 / 11
• Subtask 2: 10 / 10
• Subtask 3: 19 / 19
• Subtask 4: 35 / 35
• Subtask 5: 21 / 21
• Subtask 6: 4 / 4