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Submission #1105087

# Submission time Handle Problem Language Result Execution time Memory
1105087 2024-10-25T10:16:30 Z siewjh Distributing Candies (IOI21_candies) C++17
100 / 100
 427 ms 55144 KB 
#include "candies.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef tuple<ll, ll, ll> iii;
const int MAXN = 200005;
const ll inf = 1e18;
struct node{
	int s, e, m; ll mx, mn, lazy;
	node *l, *r;
	node (int _s, int _e){
		s = _s, e = _e, m = (s + e) >> 1; mx = mn = lazy = 0;
		if (s != e){
			l = new node(s, m); r = new node(m + 1, e);
		}
	}
	void push(ll v){
		mx += v; mn += v;
		lazy += v;
	}
	void propo(){
		if (s == e) return;
		if (lazy != 0){
			l->push(lazy); r->push(lazy);
			lazy = 0;
		}
	}
	void update(int x, int y, ll v){
		if (x == s && y == e){
			push(v); return;
		}
		propo();
		if (y <= m) l->update(x, y, v);
		else if (x > m) r->update(x, y, v);
		else{
			l->update(x, m, v); r->update(m + 1, y, v);
		}
		mx = max(l->mx, r->mx); mn = min(l->mn, r->mn);
	}
	ll query(int x){
		if (s == e) return mx;
		propo();
		if (x <= m) return l->query(x);
		else return r->query(x);
	}
	iii find(ll omx, ll omn, ll range){
		if (s == e) return {s, omx, omn};
		propo();
		ll nmx = max(omx, r->mx), nmn = min(omn, r->mn);
		if (nmx - nmn <= range) return l->find(nmx, nmn, range);
		else return r->find(omx, omn, range);
	}
};
vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v){
	int nums = c.size(), queries = l.size();
	vector<vector<int>> rsv(nums), rev(nums);
	for (int q = 0; q < queries; q++){
		rsv[l[q]].push_back(q);
		rev[r[q]].push_back(q);
	}
	node *root = new node(-2, queries - 1);
	root->update(-2, -2, inf);
	vector<int> ans(nums);
	for (int i = 0; i < nums; i++){
		for (int q : rsv[i]) root->update(q, queries - 1, v[q]);
		ll fid, mx, mn; tie(fid, mx, mn) = root->find(-inf, inf, c[i]);
		ll fv = root->query(fid), ev = root->query(queries - 1);
		if (fv > mx) ans[i] = ev - mn;
		else ans[i] = c[i] - (mx - ev);
		for (int q : rev[i]) root->update(q, queries - 1, -v[q]);
	}
	return ans;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 3 ms 1016 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 405 ms 48968 KB Output is correct
2 Correct 383 ms 53064 KB Output is correct
3 Correct 374 ms 52812 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 219 ms 32488 KB Output is correct
3 Correct 51 ms 14660 KB Output is correct
4 Correct 401 ms 52552 KB Output is correct
5 Correct 405 ms 48968 KB Output is correct
6 Correct 401 ms 52600 KB Output is correct
7 Correct 413 ms 55144 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 120 ms 31880 KB Output is correct
4 Correct 54 ms 12480 KB Output is correct
5 Correct 191 ms 43356 KB Output is correct
6 Correct 166 ms 43356 KB Output is correct
7 Correct 165 ms 43352 KB Output is correct
8 Correct 200 ms 43444 KB Output is correct
9 Correct 172 ms 43304 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 3 ms 1016 KB Output is correct
6 Correct 405 ms 48968 KB Output is correct
7 Correct 383 ms 53064 KB Output is correct
8 Correct 374 ms 52812 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 219 ms 32488 KB Output is correct
11 Correct 51 ms 14660 KB Output is correct
12 Correct 401 ms 52552 KB Output is correct
13 Correct 405 ms 48968 KB Output is correct
14 Correct 401 ms 52600 KB Output is correct
15 Correct 413 ms 55144 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 120 ms 31880 KB Output is correct
19 Correct 54 ms 12480 KB Output is correct
20 Correct 191 ms 43356 KB Output is correct
21 Correct 166 ms 43356 KB Output is correct
22 Correct 165 ms 43352 KB Output is correct
23 Correct 200 ms 43444 KB Output is correct
24 Correct 172 ms 43304 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 50 ms 13648 KB Output is correct
27 Correct 228 ms 35144 KB Output is correct
28 Correct 427 ms 53468 KB Output is correct
29 Correct 362 ms 53832 KB Output is correct
30 Correct 380 ms 54060 KB Output is correct
31 Correct 383 ms 54344 KB Output is correct
32 Correct 386 ms 54600 KB Output is correct