oj.uz

Submission #1080375

# Submission time Handle Problem Language Result Execution time Memory
1080375 2024-08-29T09:22:54 Z coldbr3w Long Mansion (JOI17_long_mansion) C++14
25 / 100
 3000 ms 201672 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define ll int
#define pll pair<int, int>
#define pb push_back
#define F first
#define S second  
#define all(x) (x).begin(), (x).end()
#define int long long
const ll N = 5e5 + 100;
const ll inf = 1e18;
const ll mod = 1e9 + 7;
const ll block = 230;
ll n, q;
ll c[N];
map<ll,ll>pos;
ll L[N][20], R[N][20], l[N], r[N], lg[N];
struct segment_tree_max{
    ll n;
    vector<ll>st;
    void init(ll _n){
        n = _n;
        st.clear(); st.resize(4 * n + 10, -inf);
    }
    void update(ll id, ll l, ll r, ll left, ll right, ll val){
        if(l > right || r < left) return;
        if(left <= l && r <= right){
            st[id] = max(st[id], val);
            return;
        }
        ll mid = (l + r) / 2;
        update(2 * id, l, mid, left, right, val);
        update(2 * id + 1, mid + 1, r, left, right, val);
        st[id] = max(st[2 * id], st[2 * id + 1]);
    }
    ll get(ll id, ll l, ll r, ll left, ll right){
        if(l > right || r < left) return -inf;
        if(left <= l && r <= right) return st[id];
        ll mid = (l + r) / 2;
        return max(get(2 * id, l, mid, left, right), get(2 * id + 1, mid + 1, r, left, right));
    }
    void update(ll l, ll r, ll val){update(1,1,n,l,r,val);}
    ll get(ll l, ll r){return get(1,1,n,l,r);}
} stmax;
struct segment_tree_min{
    ll n;
    vector<ll>st;
    void init(ll _n){
        n = _n;
        st.clear(); st.resize(4 * n + 10, inf);
    }
    void update(ll id, ll l, ll r, ll left, ll right, ll val){
        if(l > right || r < left) return;
        if(left <= l && r <= right){
            st[id] = min(st[id], val);
            return;
        }
        ll mid = (l + r) / 2;
        update(2 * id, l, mid, left, right, val);
        update(2 * id + 1, mid + 1, r, left, right, val);
        st[id] = min(st[2 * id], st[2 * id + 1]);
    }
    ll get(ll id, ll l, ll r, ll left, ll right){
        if(l > right || r < left) return inf;
        if(left <= l && r <= right) return st[id];
        ll mid = (l + r) / 2;
        return min(get(2 * id, l, mid, left, right), get(2 * id + 1, mid + 1, r, left, right));
    }
    void update(ll l, ll r, ll val){update(1,1,n,l,r,val);}
    ll get(ll l, ll r){return get(1,1,n,l,r);}
} stmin;
vector<ll>g[N];
ll get_L(ll l, ll r){
	ll p = lg[r - l + 1];
	return min(L[l][p], L[r - (1 << p) + 1][p]);
}
ll get_R(ll l, ll r){
	ll p = lg[r - l + 1];
	return max(R[l][p], R[r - (1 << p) + 1][p]);
}
void build(){
	for(int i = 1; i <= n;i++){
		if(i >= 2) L[i][0] = (pos[c[i - 1]] == 0 ? -inf : pos[c[i-1]]);
		else L[i][0] = -inf;
		for(auto x : g[i]) pos[x] = i;
	}
	pos.clear();
	for(int i = n; i >= 1;i--){
		if(i <= n - 1) R[i][0] = (pos[c[i]] == 0 ? inf : pos[c[i]]);
		else R[i][0] = inf;
		for(auto x : g[i]) pos[x] = i;
	}
	for(int j = 1; j <= 19;j++){
		for(int i = 1; i + (1 << j) <= n + 1;i++){
			L[i][j] = min(L[i][j-1], L[i + (1 << (j - 1))][j-1]);
			R[i][j] = max(R[i][j-1], R[i + (1 << (j - 1))][j-1]);
		}
	}
	for(int i = 1; i <= n;i++){
		ll x = i, y = i;
		while(1){
			pll lst = {x, y};
			if(x > 1){
				ll l = 1, r = x - 1, pos = -1;
				while(l <= r){
					ll mid = (l + r) / 2;
					if(get_R(mid, x - 1) <= y) pos = mid, r = mid - 1;
					else l = mid + 1;
				}
				if(pos != -1){
					ll mn = stmin.get(pos, y), mx = stmax.get(pos, y); 
					x = min({x, mn, pos}); y = max(y, mx);
				}
			}
			if(y < n){
				ll l = y + 1, r = n, pos = -1;
				while(l <= r){
					ll mid = (l + r) / 2;
					if(get_L(y + 1, mid) >= x) pos = mid, l = mid + 1;
					else r = mid - 1;
				}
				if(pos != -1){
					ll mn = stmin.get(x, pos), mx = stmax.get(x, pos); 
					x = min(x, mn); y = max({y, mx, pos});
				}	
			}
			if(lst.F == x && lst.S == y) break;	
		}
		l[i] = x, r[i] = y;
		stmin.update(i, i, l[i]); stmax.update(i, i, r[i]);
	}
}
void to_thic_cau(){
	cin >> n;
	for(int i = 1; i <= n;i++) lg[i] = __lg(i);
	for(int i = 1; i <= n - 1;i++) cin >> c[i];
	for(int i = 1; i <= n;i++){
		ll sz; cin >> sz;
		for(int j = 1; j <= sz;j++){
			ll x; cin >> x;
			g[i].pb(x);
		}
	}
	build();
	cin >> q;
	while(q--){
		ll x,y; cin >> x >> y;
		if(l[x] <= y && y <= r[x]) cout << "YES" << '\n';
		else cout << "NO" << "\n";
	}
}
 
signed main()   
{  
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	ll tc = 1;
	//cin >> tc;
	while(tc--) to_thic_cau();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15704 KB Output is correct
2 Correct 7 ms 16100 KB Output is correct
3 Correct 8 ms 16732 KB Output is correct
4 Correct 8 ms 14940 KB Output is correct
5 Correct 7 ms 15020 KB Output is correct
6 Correct 8 ms 15708 KB Output is correct
7 Correct 18 ms 15116 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15704 KB Output is correct
2 Correct 7 ms 16100 KB Output is correct
3 Correct 8 ms 16732 KB Output is correct
4 Correct 8 ms 14940 KB Output is correct
5 Correct 7 ms 15020 KB Output is correct
6 Correct 8 ms 15708 KB Output is correct
7 Correct 18 ms 15116 KB Output is correct
8 Correct 67 ms 16468 KB Output is correct
9 Correct 76 ms 16468 KB Output is correct
10 Correct 69 ms 16976 KB Output is correct
11 Correct 94 ms 17744 KB Output is correct
12 Correct 64 ms 16976 KB Output is correct
13 Correct 73 ms 16576 KB Output is correct
14 Correct 65 ms 16740 KB Output is correct
15 Correct 71 ms 16628 KB Output is correct
16 Correct 61 ms 17488 KB Output is correct
17 Correct 76 ms 16632 KB Output is correct
18 Correct 68 ms 16756 KB Output is correct
19 Correct 63 ms 17472 KB Output is correct
20 Correct 63 ms 16724 KB Output is correct
21 Correct 62 ms 17736 KB Output is correct
22 Correct 67 ms 16720 KB Output is correct
23 Correct 80 ms 17236 KB Output is correct
24 Correct 83 ms 16724 KB Output is correct
25 Correct 81 ms 16720 KB Output is correct
26 Correct 72 ms 16464 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 55392 KB Output is correct
2 Correct 182 ms 55376 KB Output is correct
3 Correct 176 ms 55220 KB Output is correct
4 Correct 189 ms 55380 KB Output is correct
5 Correct 182 ms 55536 KB Output is correct
6 Correct 154 ms 53148 KB Output is correct
7 Correct 138 ms 53072 KB Output is correct
8 Correct 163 ms 53072 KB Output is correct
9 Correct 134 ms 53232 KB Output is correct
10 Correct 132 ms 53076 KB Output is correct
11 Correct 132 ms 53176 KB Output is correct

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15704 KB Output is correct
2 Correct 7 ms 16100 KB Output is correct
3 Correct 8 ms 16732 KB Output is correct
4 Correct 8 ms 14940 KB Output is correct
5 Correct 7 ms 15020 KB Output is correct
6 Correct 8 ms 15708 KB Output is correct
7 Correct 18 ms 15116 KB Output is correct
8 Correct 67 ms 16468 KB Output is correct
9 Correct 76 ms 16468 KB Output is correct
10 Correct 69 ms 16976 KB Output is correct
11 Correct 94 ms 17744 KB Output is correct
12 Correct 64 ms 16976 KB Output is correct
13 Correct 73 ms 16576 KB Output is correct
14 Correct 65 ms 16740 KB Output is correct
15 Correct 71 ms 16628 KB Output is correct
16 Correct 61 ms 17488 KB Output is correct
17 Correct 76 ms 16632 KB Output is correct
18 Correct 68 ms 16756 KB Output is correct
19 Correct 63 ms 17472 KB Output is correct
20 Correct 63 ms 16724 KB Output is correct
21 Correct 62 ms 17736 KB Output is correct
22 Correct 67 ms 16720 KB Output is correct
23 Correct 80 ms 17236 KB Output is correct
24 Correct 83 ms 16724 KB Output is correct
25 Correct 81 ms 16720 KB Output is correct
26 Correct 72 ms 16464 KB Output is correct
27 Correct 178 ms 55392 KB Output is correct
28 Correct 182 ms 55376 KB Output is correct
29 Correct 176 ms 55220 KB Output is correct
30 Correct 189 ms 55380 KB Output is correct
31 Correct 182 ms 55536 KB Output is correct
32 Correct 154 ms 53148 KB Output is correct
33 Correct 138 ms 53072 KB Output is correct
34 Correct 163 ms 53072 KB Output is correct
35 Correct 134 ms 53232 KB Output is correct
36 Correct 132 ms 53076 KB Output is correct
37 Correct 132 ms 53176 KB Output is correct
38 Correct 664 ms 165980 KB Output is correct
39 Correct 624 ms 201552 KB Output is correct
40 Correct 459 ms 128592 KB Output is correct
41 Correct 579 ms 201672 KB Output is correct
42 Correct 231 ms 55380 KB Output is correct
43 Correct 213 ms 54100 KB Output is correct
44 Correct 477 ms 95824 KB Output is correct
45 Correct 451 ms 96584 KB Output is correct
46 Correct 465 ms 97216 KB Output is correct
47 Correct 231 ms 55596 KB Output is correct
48 Correct 214 ms 53476 KB Output is correct
49 Correct 414 ms 93040 KB Output is correct
50 Correct 442 ms 95056 KB Output is correct
51 Correct 500 ms 98328 KB Output is correct
52 Execution timed out 3066 ms 98620 KB Time limit exceeded
53 Halted 0 ms 0 KB -