Submission #589147

# Submission time Handle Problem Language Result Execution time Memory
589147 2022-07-04T09:40:15 Z Red_Inside Sprinkler (JOI22_sprinkler) C++17
41 / 100
4000 ms 65532 KB
//
#include <bits/stdc++.h>
 
#define ll long long
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define o cout<<"BUG"<<endl;
#define FOR(i, j, n) for(int j = i; j < n; ++j)
#define forn(i, j, n) for(int j = i; j <= n; ++j)
#define nfor(i, j, n) for(int j = n; j >= i; --j)
#define sortv(vv) sort(vv.begin(), vv.end())
#define all(v) v.begin(), v.end()
#define ld long double
#define ull unsigned long long
 
using namespace std;
const int maxn=2e5+100,LOG=17, mod=1e9+7;
int block = 320, timer = 0;
const ld EPS = 1e-18;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
 
#define bt(i) (1 << (i))
//#define int ll
const int inf=1e9+10;
#define y1 yy
#define prev pre
#define pii pair <int, int>
 
int n, q, anc[maxn], tin[maxn], tout[maxn], deep[maxn], sz[maxn];
ll L, h[maxn];
vector <int> edge[maxn];
vector <pii> vec[maxn];
vector <int> t[maxn];
 
void dfs(int v, int pred = -1)
{
	tin[v] = ++timer;
	vec[deep[v]].pb({tin[v], v});
	for(auto to : edge[v])
	{
		if(to == pred) continue;
		deep[to] = deep[v] + 1;
		anc[to] = v;
		dfs(to, v);
	}
	tout[v] = timer;
}

inline void push(int v, int tn)
{
	if(t[tn][v] != 1)
	{
		t[tn][v * 2] = 1ll * t[tn][v * 2] * t[tn][v] % L;
		t[tn][v * 2 + 1] = 1ll * t[tn][v * 2 + 1] * t[tn][v] % L;
		t[tn][v] = 1;
	}
}
 
void upd(int v, int tl, int tr, int l, int r, int w, int tn)
{
	if(l <= tl && tr <= r)
	{
		t[tn][v] = (1ll * t[tn][v]) * (1ll * w) % L;
		return;
	}
	if(l > tr || r < tl) return;
	push(v, tn);
	upd(v * 2, tl, (tl + tr) / 2, l, r, w, tn);
	upd(v * 2 + 1, (tl + tr) / 2 + 1, tr, l, r, w, tn);
}

int get(int v, int tl, int tr, int pos, int tn)
{
	if(tl == tr) return t[tn][v];
	push(v, tn);
	if(pos <= (tl + tr) / 2) return get(v * 2, tl, (tl + tr) / 2, pos, tn);
	return get(v * 2 + 1, (tl + tr) / 2 + 1, tr, pos, tn);
}
 
inline void update(int x, int w, int d)
{
	if(d < 0) return;
	if(sz[deep[x] + d] == 0) return;
//	cout << "UPDATE " << x << " " << w << " " << d << " " << tin[x] << " " << tout[x] << endl;
//	cout << "VECTOR\n";
//	for(auto i : vec[deep[x] + d]) cout << "   " << i.f << " " << i.s << endl;
	int L = lower_bound(all(vec[deep[x] + d]), mp(tin[x], 0)) - vec[deep[x] + d].begin() + 1;
	int R = upper_bound(all(vec[deep[x] + d]), mp(tout[x], inf)) - vec[deep[x] + d].begin();
//	que[deep[x] + d].pb({{L, R}, w});
	upd(1, 1, sz[deep[x] + d], L, R, w, deep[x] + d);
}
 
main()
{
	IOS
	cin >> n >> L;
	forn(1, i, n - 1)
	{
		int l, r;
		cin >> l >> r;
		edge[l].pb(r);
		edge[r].pb(l);
	}
	forn(1, i, n) cin >> h[i];
	deep[1] = 1;
	dfs(1);
	forn(1, i, n)
	{
		sz[i] = vec[i].size();
		t[i].assign(sz[i] * 4 + 10, 1);
//		build(1, 1, sz[i], i);
	}
	cin >> q;
	forn(1, i, q)
	{
		int ty;
		cin >> ty;
		if(ty == 1)
		{
			int x, d;
			int w;
			cin >> x >> d >> w;
			vector <int> ancs;
			int v = x;
			forn(0, iter, d)
			{
				ancs.pb(v);
				v = anc[v];
				if(v == 0) break;
			}
			forn(-d, a, d)
			{
				int b = (d + a) / 2;
				if((int)ancs.size() > b)
				{
//					cout << "START UPDATE " << ancs[b] << " " << a << " " << b << endl;
					update(ancs[b], w, b - a);
				}
				else
				{
//					cout << "START UPDATE " << ancs.back() << " " << a << " " << b << endl;
					update(ancs.back(), w, (int)ancs.size() - 1 - a);
				}
			}
		}
		else
		{
			int x;
			cin >> x;
			int pos = lower_bound(all(vec[deep[x]]), mp(tin[x], x)) - vec[deep[x]].begin() + 1;
			ll ans = h[x] * get(1, 1, sz[deep[x]], pos, deep[x]) % L;
//			cout << h[x] << " " << get(1, 1, sz[deep[x]], pos, deep[x]) << endl;
			cout << ans << "\n";
		}
	}
}

Compilation message

sprinkler.cpp:96:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   96 | main()
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 8 ms 14436 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 9 ms 14432 KB Output is correct
4 Correct 10 ms 14572 KB Output is correct
5 Correct 11 ms 14580 KB Output is correct
6 Correct 10 ms 14632 KB Output is correct
7 Correct 11 ms 14568 KB Output is correct
8 Correct 12 ms 14548 KB Output is correct
9 Correct 11 ms 14444 KB Output is correct
10 Correct 11 ms 14440 KB Output is correct
11 Correct 13 ms 14420 KB Output is correct
12 Correct 8 ms 14432 KB Output is correct
13 Correct 8 ms 14420 KB Output is correct
14 Correct 11 ms 14420 KB Output is correct
15 Correct 8 ms 14420 KB Output is correct
16 Correct 12 ms 14420 KB Output is correct
17 Correct 8 ms 14448 KB Output is correct
18 Correct 12 ms 14444 KB Output is correct
19 Correct 12 ms 14436 KB Output is correct
20 Correct 10 ms 14368 KB Output is correct
21 Correct 14 ms 14452 KB Output is correct
22 Correct 10 ms 14364 KB Output is correct
23 Correct 11 ms 14420 KB Output is correct
24 Correct 9 ms 14436 KB Output is correct
25 Correct 9 ms 14420 KB Output is correct
26 Correct 8 ms 14420 KB Output is correct
27 Correct 11 ms 14360 KB Output is correct
28 Correct 11 ms 14420 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 462 ms 45152 KB Output is correct
3 Correct 935 ms 43080 KB Output is correct
4 Correct 605 ms 56136 KB Output is correct
5 Correct 659 ms 44416 KB Output is correct
6 Correct 798 ms 43592 KB Output is correct
7 Correct 714 ms 44068 KB Output is correct
8 Correct 634 ms 44392 KB Output is correct
9 Correct 548 ms 64672 KB Output is correct
10 Correct 619 ms 60160 KB Output is correct
11 Correct 541 ms 45844 KB Output is correct
12 Correct 934 ms 44104 KB Output is correct
13 Correct 551 ms 44656 KB Output is correct
14 Correct 741 ms 44472 KB Output is correct
15 Correct 678 ms 44584 KB Output is correct
16 Correct 830 ms 44388 KB Output is correct
17 Correct 857 ms 45436 KB Output is correct
18 Correct 8 ms 14420 KB Output is correct
19 Correct 10 ms 14548 KB Output is correct
20 Correct 11 ms 14420 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 462 ms 45152 KB Output is correct
3 Correct 935 ms 43080 KB Output is correct
4 Correct 605 ms 56136 KB Output is correct
5 Correct 659 ms 44416 KB Output is correct
6 Correct 798 ms 43592 KB Output is correct
7 Correct 714 ms 44068 KB Output is correct
8 Correct 634 ms 44392 KB Output is correct
9 Correct 548 ms 64672 KB Output is correct
10 Correct 619 ms 60160 KB Output is correct
11 Correct 541 ms 45844 KB Output is correct
12 Correct 934 ms 44104 KB Output is correct
13 Correct 551 ms 44656 KB Output is correct
14 Correct 741 ms 44472 KB Output is correct
15 Correct 678 ms 44584 KB Output is correct
16 Correct 830 ms 44388 KB Output is correct
17 Correct 857 ms 45436 KB Output is correct
18 Correct 8 ms 14420 KB Output is correct
19 Correct 10 ms 14548 KB Output is correct
20 Correct 11 ms 14420 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 9 ms 14420 KB Output is correct
23 Correct 10 ms 14344 KB Output is correct
24 Correct 539 ms 47748 KB Output is correct
25 Correct 991 ms 43812 KB Output is correct
26 Correct 486 ms 63200 KB Output is correct
27 Correct 547 ms 45340 KB Output is correct
28 Correct 709 ms 44888 KB Output is correct
29 Correct 722 ms 44844 KB Output is correct
30 Correct 461 ms 45344 KB Output is correct
31 Correct 445 ms 58820 KB Output is correct
32 Correct 589 ms 61144 KB Output is correct
33 Correct 439 ms 46452 KB Output is correct
34 Correct 997 ms 43784 KB Output is correct
35 Correct 8 ms 14420 KB Output is correct
36 Correct 10 ms 14420 KB Output is correct
37 Correct 8 ms 14440 KB Output is correct
38 Correct 8 ms 14440 KB Output is correct
39 Correct 8 ms 14372 KB Output is correct
40 Correct 8 ms 14432 KB Output is correct
41 Correct 8 ms 14436 KB Output is correct
42 Correct 8 ms 14440 KB Output is correct
43 Correct 9 ms 14420 KB Output is correct
44 Correct 8 ms 14420 KB Output is correct
45 Correct 9 ms 14420 KB Output is correct
46 Correct 8 ms 14420 KB Output is correct
47 Correct 8 ms 14432 KB Output is correct
48 Correct 8 ms 14440 KB Output is correct
49 Correct 8 ms 14380 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB Output is correct
2 Correct 613 ms 62604 KB Output is correct
3 Correct 2319 ms 57604 KB Output is correct
4 Correct 1068 ms 59044 KB Output is correct
5 Correct 3296 ms 44644 KB Output is correct
6 Correct 2102 ms 44080 KB Output is correct
7 Correct 1207 ms 44108 KB Output is correct
8 Correct 419 ms 44576 KB Output is correct
9 Correct 782 ms 57416 KB Output is correct
10 Correct 2417 ms 60680 KB Output is correct
11 Correct 1642 ms 43876 KB Output is correct
12 Execution timed out 4014 ms 42544 KB Time limit exceeded
13 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 14420 KB Output is correct
2 Correct 730 ms 56836 KB Output is correct
3 Correct 2667 ms 53300 KB Output is correct
4 Correct 1114 ms 56816 KB Output is correct
5 Correct 3153 ms 46648 KB Output is correct
6 Correct 2024 ms 46192 KB Output is correct
7 Correct 1408 ms 45860 KB Output is correct
8 Correct 472 ms 46224 KB Output is correct
9 Correct 751 ms 65532 KB Output is correct
10 Correct 2440 ms 62648 KB Output is correct
11 Correct 1434 ms 48020 KB Output is correct
12 Execution timed out 4026 ms 43932 KB Time limit exceeded
13 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 14436 KB Output is correct
2 Correct 8 ms 14420 KB Output is correct
3 Correct 9 ms 14432 KB Output is correct
4 Correct 10 ms 14572 KB Output is correct
5 Correct 11 ms 14580 KB Output is correct
6 Correct 10 ms 14632 KB Output is correct
7 Correct 11 ms 14568 KB Output is correct
8 Correct 12 ms 14548 KB Output is correct
9 Correct 11 ms 14444 KB Output is correct
10 Correct 11 ms 14440 KB Output is correct
11 Correct 13 ms 14420 KB Output is correct
12 Correct 8 ms 14432 KB Output is correct
13 Correct 8 ms 14420 KB Output is correct
14 Correct 11 ms 14420 KB Output is correct
15 Correct 8 ms 14420 KB Output is correct
16 Correct 12 ms 14420 KB Output is correct
17 Correct 8 ms 14448 KB Output is correct
18 Correct 12 ms 14444 KB Output is correct
19 Correct 12 ms 14436 KB Output is correct
20 Correct 10 ms 14368 KB Output is correct
21 Correct 14 ms 14452 KB Output is correct
22 Correct 10 ms 14364 KB Output is correct
23 Correct 11 ms 14420 KB Output is correct
24 Correct 9 ms 14436 KB Output is correct
25 Correct 9 ms 14420 KB Output is correct
26 Correct 8 ms 14420 KB Output is correct
27 Correct 11 ms 14360 KB Output is correct
28 Correct 11 ms 14420 KB Output is correct
29 Correct 8 ms 14420 KB Output is correct
30 Correct 462 ms 45152 KB Output is correct
31 Correct 935 ms 43080 KB Output is correct
32 Correct 605 ms 56136 KB Output is correct
33 Correct 659 ms 44416 KB Output is correct
34 Correct 798 ms 43592 KB Output is correct
35 Correct 714 ms 44068 KB Output is correct
36 Correct 634 ms 44392 KB Output is correct
37 Correct 548 ms 64672 KB Output is correct
38 Correct 619 ms 60160 KB Output is correct
39 Correct 541 ms 45844 KB Output is correct
40 Correct 934 ms 44104 KB Output is correct
41 Correct 551 ms 44656 KB Output is correct
42 Correct 741 ms 44472 KB Output is correct
43 Correct 678 ms 44584 KB Output is correct
44 Correct 830 ms 44388 KB Output is correct
45 Correct 857 ms 45436 KB Output is correct
46 Correct 8 ms 14420 KB Output is correct
47 Correct 10 ms 14548 KB Output is correct
48 Correct 11 ms 14420 KB Output is correct
49 Correct 8 ms 14420 KB Output is correct
50 Correct 9 ms 14420 KB Output is correct
51 Correct 10 ms 14344 KB Output is correct
52 Correct 539 ms 47748 KB Output is correct
53 Correct 991 ms 43812 KB Output is correct
54 Correct 486 ms 63200 KB Output is correct
55 Correct 547 ms 45340 KB Output is correct
56 Correct 709 ms 44888 KB Output is correct
57 Correct 722 ms 44844 KB Output is correct
58 Correct 461 ms 45344 KB Output is correct
59 Correct 445 ms 58820 KB Output is correct
60 Correct 589 ms 61144 KB Output is correct
61 Correct 439 ms 46452 KB Output is correct
62 Correct 997 ms 43784 KB Output is correct
63 Correct 8 ms 14420 KB Output is correct
64 Correct 10 ms 14420 KB Output is correct
65 Correct 8 ms 14440 KB Output is correct
66 Correct 8 ms 14440 KB Output is correct
67 Correct 8 ms 14372 KB Output is correct
68 Correct 8 ms 14432 KB Output is correct
69 Correct 8 ms 14436 KB Output is correct
70 Correct 8 ms 14440 KB Output is correct
71 Correct 9 ms 14420 KB Output is correct
72 Correct 8 ms 14420 KB Output is correct
73 Correct 9 ms 14420 KB Output is correct
74 Correct 8 ms 14420 KB Output is correct
75 Correct 8 ms 14432 KB Output is correct
76 Correct 8 ms 14440 KB Output is correct
77 Correct 8 ms 14380 KB Output is correct
78 Correct 7 ms 14420 KB Output is correct
79 Correct 613 ms 62604 KB Output is correct
80 Correct 2319 ms 57604 KB Output is correct
81 Correct 1068 ms 59044 KB Output is correct
82 Correct 3296 ms 44644 KB Output is correct
83 Correct 2102 ms 44080 KB Output is correct
84 Correct 1207 ms 44108 KB Output is correct
85 Correct 419 ms 44576 KB Output is correct
86 Correct 782 ms 57416 KB Output is correct
87 Correct 2417 ms 60680 KB Output is correct
88 Correct 1642 ms 43876 KB Output is correct
89 Execution timed out 4014 ms 42544 KB Time limit exceeded
90 Halted 0 ms 0 KB -