oj.uz

답안 #750244

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
750244 2023-05-29T08:33:01 Z Muaath_5 Sterilizing Spray (JOI15_sterilizing) C++17
0 / 100
 5000 ms 7184 KB 
#include <bits/stdc++.h>
#define ll long long
#define umin(x, y) x = min(x, y)
#define sq(x) ((x)*(x))
using namespace std;

const int N = 2e5+5;
const ll INF = 1e9 + 7;

int n, q, k, c[N];

ll tree[4 * N];

void build(int l=0, int r=N-1, int node=1)
{
	if (l == r) {
		tree[node] = c[l];
		return;
	}
	const int mid = (l + r) / 2;
	build(l, mid, node*2);
	build(mid + 1, r, node*2+1);
	tree[node] = tree[node * 2] + tree[node * 2 + 1];
}

void update(int idx, int val, int l =0, int r = N-1, int node=1)
{
	if (l == r) {
		tree[node] = val;
		return;
	}
	const int mid = (l + r) / 2;
	if (idx <= mid)
		update(idx, val, l, mid, node*2);
	else
		update(idx, val, mid + 1, r, node*2+1);
	tree[node] = tree[node * 2] + tree[node * 2 + 1];
}

ll query(int ql, int qr, int l=0, int r=N-1, int node = 1)
{
	
	if (r < ql || l > qr) return 0;
	if (ql <= l && r <= qr) return tree[node];
	const int mid = (l + r) / 2;
	return
		query(ql, qr, l, mid, node * 2) +
		query(ql, qr, mid + 1, r, node * 2 + 1);
}

int main()
{
	ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin >> n >> q >> k;
	for (int i = 0; i < n; cin >> c[i++]);
	build();
	set<int> s;
	for (int i = 0; i < n; i++) {
		s.insert(i);
	}
	while (q--) {
		int cmd, l, r;
		cin >> cmd >> l >> r;
		if (cmd == 1) {
			if (r >= k) s.insert(l - 1);
			update(l - 1, r);
			c[l - 1] = r;
		}
		else if (cmd == 3)
			cout << query(l - 1, r - 1) << '\n';
		else {
			bool rem = false;
			auto prev = s.begin();
			auto it = s.lower_bound(l - 1);
			const auto itr = s.lower_bound(r);
			for (; it != itr; it++) {
				if (rem) {
					s.erase(prev);
					rem = false;
				}
				const int idx = *it;
				c[idx] /= k;
				update(idx, c[idx]);
				if (c[idx] < k) {
					rem = true;
					prev = it;
				}
			}
			if (rem) s.erase(prev);
		}
	}
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 4436 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5041 ms 7036 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 21 ms 4820 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 155 ms 7184 KB Output isn't correct
2 Halted 0 ms 0 KB -