Submission #216687

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
216687	2020-03-27 20:08:52	combi1k1	Capital City (JOI20_capital_city)	C++14	100 / 100	398 ms	46944 KiB

capital_city

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#include<bits/stdc++.h>
using namespace std;
#define ll  long long
#define ld  double
#define sz(x)   (int)x.size()
#define all(x)  x.begin(),x.end()
#define pb  emplace_back
#define X   first
#define Y   second
const int   N   = 2e5 + 5;
typedef pair<int,int>   ii;
int p[N];
int s[N];
int init(int n) {
    iota(p + 1,p + 1 + n,1);
    fill(s + 1,s + 1 + n,1);
    return  1;
}
int lead(int x) {
    return p[x] == x ? x : p[x] = lead(p[x]);
}
int join(int x,int y)   {
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 59 / 59