Submission #785466

#	Time	Username	Problem	Language	Result	Execution time	Memory
785466		TakeMe	Sprinkler (JOI22_sprinkler)	C++14	12 / 100	475 ms	22168 KiB

sprinkler

/* Quick Note :
 * Jangan Mikir Lama - lama, sampahin dulu aja kalo OI
 * Always Try to reset
*/
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define debug(val) cerr << "The value of " << #val << " is = " << val << '\n';
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
const ld PI = 4*atan((ld)1);
const ll mod = 1e9 + 7;
const ll inf = 922337203685477;
const ll nax = 2e5 + 5;

ll n, q, l;
ll a[nax], updRange[nax], par[nax];
vector<vector<ll>> v(nax);

void find_par(ll idx, ll bfr){
	par[idx] = bfr;
	for(auto it : v[idx]){
		if(it != bfr){
			find_par(it, idx);
		}
	}
}

void upd_val(ll x, ll d){
	if(d < 0 || x == 0) return;
	updRange[x] = max(updRange[x], d);
	upd_val(par[x], d - 1);
}

ll que_val(ll x, ll d){
	if(x == 0 || d > 45) return 0;
	if(updRange[x] >= d){
		return 1;
	}
	else{
		return que_val(par[x], d + 1);
	}
}

int main(){ 
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    //freopen("test.in", "r", stdin);
    //freopen("test.out", "w", stdout);
    
    cin >> n >> l;
    for(ll i = 1; i < n; i++){
		ll x, y;
		cin >> x >> y;
		v[x].pb(y);
		v[y].pb(x);
	}
    for(ll i = 1; i <= n; i++){
		cin >> a[i];
	}
	find_par(1, 0);
	memset(updRange, -1, sizeof(updRange));
	cin >> q;
	while(q--){
		ll tp, x, d, w;
		cin >> tp;
		if(tp == 1){
			cin >> x >> d >> w;
			upd_val(x, d);
		}
		else{
			cin >> x;
			if(que_val(x, 0)){
				cout << 0 << '\n';
			}
			else{
				cout << a[x] << '\n';
			}
		}
	}
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 9
• Subtask 3: 0 / 29
• Subtask 4: 12 / 12
• Subtask 5: 0 / 30
• Subtask 6: 0 / 17