Submission #411077

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
411077	2021-05-24 09:34:48	kwongweng	Connecting Supertrees (IOI20_supertrees)	C++17	100 / 100	289 ms	24036 KiB

supertrees

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#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define F first
#define S second
vi p1(1001), p2(1001), sz1(1001, 1), sz2(1001, 1);
int get1(int a){
    if (p1[a] == a) return a;
    p1[a] = get1(p1[a]);
    return p1[a];
}
void Union1(int a, int b){
    int c = get1(a); int d = get1(b);
    if (c == d) return;
    if (sz1[c] >= sz1[d]){
        p1[d] = c;
        sz1[c] += sz1[d];
    }else{
        p1[c] = d;
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 10 / 10
• Subtask 3: 19 / 19
• Subtask 4: 35 / 35
• Subtask 5: 21 / 21
• Subtask 6: 4 / 4