angshn

#include <iostream>
#define ll long long int
#define FASTIO                \
    ios ::sync_with_stdio(0); \
    cin.tie(0);               \
    cout.tie(0);
using namespace std;
const int N = 2e5 + 5;
const int INF = 0x3f3f3f3f;
int n;

angshn

#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e4 + 5;
int fa[maxn];
set<int> birds;
void init()
{
    for (int i = 0; i < maxn; i++)
        fa[i] = i;
}

angshn

#include <iostream>
#include <cctype>
#include <cstring>
using namespace std;

char str[205];

bool isParted(int x,int y){