oj.uz

Submission #794153

# Submission time Handle Problem Language Result Execution time Memory
794153 2023-07-26T09:56:41 Z ymm Food Court (JOI21_foodcourt) C++17
0 / 100
 1000 ms 225840 KB 
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
//typedef std::pair<int,int> pii;
typedef std::pair<ll,ll> pll;
using namespace std;

const int N = 250'010;
const ll inf = 1e18;

namespace beats {
	struct node {
		ll lzyadd, lzyaddmn;
		ll mn, mn2;
	} t[4*N];
	int sz;

	void up(int i, ll add, ll addmn) {
		t[i].lzyadd += add;
		t[i].mn += add;
		t[i].mn2 += add;
		t[i].lzyaddmn += addmn;
		t[i].mn += addmn;
	}
	void ppg(int i) {
		up(2*i+1, t[i].lzyadd, t[2*i+1].mn + t[i].lzyadd + t[i].lzyaddmn == t[i].mn? t[i].lzyaddmn: 0);
		up(2*i+2, t[i].lzyadd, t[2*i+2].mn + t[i].lzyadd + t[i].lzyaddmn == t[i].mn? t[i].lzyaddmn: 0);
		t[i].lzyadd = 0;
		t[i].lzyaddmn = 0;
	}
	void merge(int i) {
		node &v = t[i], &l = t[2*i+1], &r = t[2*i+2];
		v.mn = min(l.mn, r.mn);
		if (l.mn < r.mn)
			v.mn2 = min(l.mn2, r.mn);
		if (l.mn > r.mn)
			v.mn2 = min(l.mn, r.mn2);
		if (l.mn == r.mn)
			v.mn2 = min(l.mn2, r.mn2);
	}
	void init(int n) {
		sz = n;
		Loop (i,0,4*sz) {
			t[i].lzyadd = 0;
			t[i].lzyaddmn = 0;
			t[i].mn = 0;
			t[i].mn2 = inf;
		}
	}
	void add(int l, int r, ll x, int i, int b, int e) {
		if (l <= b && e <= r) {
			up(i, x, 0);
			return;
		}
		if (r <= b || e <= l)
			return;
		ppg(i);
		add(l, r, x, 2*i+1, b, (b+e)/2);
		add(l, r, x, 2*i+2, (b+e)/2, e);
		merge(i);
	}

	void mvup(int i, int b, int e) {
		if (t[i].mn >= 0)
			return;
		if (t[i].mn2 > 0) {
			up(i, 0, -t[i].mn);
			return;
		}
		ppg(i);
		mvup(2*i+1, b, (b+e)/2);
		mvup(2*i+2, (b+e)/2, e);
		merge(i);
	}

	void add(int l, int r, ll x) {
		add(l, r, x, 0, 0, sz);
		mvup(0, 0, sz);
	}

	ll get(int p, int i, int b, int e) {
		if (e-b == 1)
			return t[i].mn;
		ppg(i);
		if (p < (b+e)/2)
			return get(p, 2*i+1, b, (b+e)/2);
		else
			return get(p, 2*i+2, (b+e)/2, e);
	}
	ll get(int p) { return get(p, 0, 0, sz); }
}

namespace seg {
	struct node {
		ll cnt, cachev;
		int l, r;
		int cache;
	} nd[(1<<28)/sizeof(node)];
	int nxt = 1;
	vector<pair<int,int>> rts;
	int sz;

	void init(int n) {
		sz = n;
		rts = {{0,-1}};
	}
	int add(int t, int l, int r, ll x, int b, int e) {
		int ans = nxt++;
		if (l <= b && e <= r) {
			nd[ans].cnt = nd[t].cnt + x;
			nd[ans].l = nd[t].l;
			nd[ans].r = nd[t].r;
			return ans;
		}
		nd[ans] = nd[t];
		if (l < (b+e)/2)
			nd[ans].l = add(nd[t].l, l, r, x, b, (b+e)/2);
		if ((b+e)/2 < r)
			nd[ans].r = add(nd[t].r, l, r, x, (b+e)/2, e);
		return ans;
	}
	ll get(int t, int p, int b, int e) {
		if (!t)
			return 0;
		if (e-b == 1)
			return nd[t].cnt;
		if (nd[t].cache == p+1)
			return nd[t].cachev;
		ll ans;
		if (p < (b+e)/2)
			ans = nd[t].cnt + get(nd[t].l, p, b, (b+e)/2);
		else
			ans = nd[t].cnt + get(nd[t].r, p, (b+e)/2, e);
		nd[t].cachev = ans;
		nd[t].cache = p+1;
		return ans;
	}
	void add(int l, int r, ll x, int c) {
		int rt = rts.back().first;
		int rt2 = add(rt, l, r, x, 0, sz);
		rts.push_back({rt2, c});
	}
	ll get(int p) { return get(rts.back().first, p, 0, sz); }
	int bin(int p, ll i) {
		int l = 1, r = rts.size()-1;
		while (l < r) {
			int m = (l+r)/2;
			if (get(rts[m].first, p, 0, sz) > i)
				r = m;
			else
				l = m+1;
		}
		return rts[l].second;
	}
}

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	int n, m, q;
	cin >> n >> m >> q;
	seg::init(n);
	beats::init(n);
	Loop (i,0,q) {
		int t;
		cin >> t;
		if (t == 1) {
			int l, r, c, k;
			cin >> l >> r >> c >> k;
			--l;
			seg::add(l, r, k, c);
			beats::add(l, r, k);
		}
		if (t == 2) {
			int l, r, k;
			cin >> l >> r >> k;
			--l;
			beats::add(l, r, -k);
		}
		if (t == 3) {
			ll a, b;
			cin >> a >> b;
			--a; --b;
			ll cur = beats::get(a);
			ll tot = seg::get(a);
			b += tot - cur;
			if (b >= tot)
				cout << "0\n";
			else
				cout << seg::bin(a, b) << '\n';
		}
	}
}

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 83 ms 22380 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 629 ms 142996 KB Output is correct
2 Correct 481 ms 114856 KB Output is correct
3 Correct 675 ms 157672 KB Output is correct
4 Correct 638 ms 171692 KB Output is correct
5 Correct 637 ms 164748 KB Output is correct
6 Correct 958 ms 225840 KB Output is correct
7 Correct 62 ms 3912 KB Output is correct
8 Correct 72 ms 5108 KB Output is correct
9 Execution timed out 1098 ms 200556 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 171 ms 46568 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 852 KB Output isn't correct
2 Halted 0 ms 0 KB -