제출 #446058

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
446058	2021-07-20 15:25:54	Edbert2397	Fancy Fence (CEOI20_fancyfence)	C++14	100 / 100	60 ms	6488 KiB

fancyfence

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/*
~2021~
*/
# include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
#define pii pair<int,int>
#define debug(x) cout << #x << '=' << x << endl;
const int N = 2e5 + 5;
const int INF = 1e9 + 5;
const ll mod = 1e9+7;
ll n,par[N],sz[N],ans,temp[N];
bool visited[N];
struct state{
    int fi,se,idx;
};
state arr[N];
bool cmp(state a,state b){
    if(a.fi == b.fi) return a.se > b.se;
    return a.fi > b.fi;
}
ll sub(ll x,ll y){
    return ((x % mod) - (y % mod) + mod) % mod;
}
ll add(ll x,ll y){
    return ((x % mod) + (y % mod) ) % mod;
}
ll mul(ll x,ll y){
 
 
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