30分求调 过的1 3 4
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30分求调 过的1 3 4
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zrzforrest楼主2024/11/24 22:55
#include <bits/stdc++.h>
using namespace std;

int n, q, m;
const int MAXN = 1e5 + 10;
int a[MAXN];
int tree[4 * MAXN];
int lazy_add[4 * MAXN], lazy_mul[4 * MAXN];

int ls(int a)
{
	return 2 * a;
}

int rs(int a)
{
	return 2 * a + 1;
}

void push_up(int p)
{
	tree[p] = (tree[ls(p)] + tree[rs(p)]) % m;
}

void build (int p, int l, int r)
{
	lazy_mul[p] = 1;
	if (l == r)
	{
		tree[p] = a[l] % m;
		return;
	}
	int mid = (l + r) / 2;
	build(ls(p), l, mid);
	build(rs(p), mid + 1, r);
	push_up(p);
}

void push_down(int p, int l, int r)
{
	int mid = (l + r) / 2;
	tree[ls(p)] = tree[ls(p)] * lazy_mul[p] + lazy_add[p] * (mid - l + 1);
	tree[ls(p)] %= m;
	tree[rs(p)] = tree[rs(p)] * lazy_mul[p] + lazy_add[p] * (r - mid);
	tree[rs(p)] %= m;
	lazy_mul[ls(p)] *= lazy_mul[p];
	lazy_mul[rs(p)] *= lazy_mul[p];
	lazy_mul[rs(p)] %= m;
	lazy_mul[ls(p)] %= m;
	lazy_add[ls(p)] = (lazy_add[ls(p)] * lazy_mul[p] + lazy_add[p]) % m;
	lazy_add[rs(p)] = (lazy_add[rs(p)] * lazy_mul[p] + lazy_add[p]) % m;
	lazy_mul[p] = 1;
	lazy_add[p] = 0;


	/*
	lazy_add[ls(p)] *= lazy_mul[p];
	lazy_add[ls(p)] += lazy_add[p];
	lazy_add[rs(p)] *= lazy_mul[p];
	lazy_add[rs(p)] += lazy_add[p];
	tree[p] *= lazy_mul[p];
	tree[p] += lazy_add[p] * (r - l + 1);
	*/
}

void update_mul(int p, int l, int r, int nl, int nr, int k)
{
	if (l >= nl && r <= nr)
	{
		lazy_add[p] *= k;
		lazy_add[p] %= m;
		lazy_mul[p] *= k;
		lazy_mul[p] %= m;
		tree[p] *= k;
		tree[p] %= m;
		return;
	}
	push_down(p, l, r);
	int mid = (l + r) / 2;
	if (nl <= mid)
	{
		update_mul(ls(p), l, mid, nl, nr, k);
	}
	if (nr >= mid + 1)
	{
		update_mul(rs(p), mid + 1, r, nl, nr, k);
	}
	push_up(p);
}

void update_add(int p, int l, int r, int nl, int nr, int k)
{
	if (l >= nl && r <= nr)
	{
		lazy_add[p] += k;
		lazy_add[p] %= m;
		tree[p] += k * (r - l + 1) % m;
		tree[p] %= m;
		return;
	}
	push_down(p, l, r);
	int mid = (l + r) / 2;
	if (nl <= mid)
	{
		update_add(ls(p), l, mid, nl, nr, k);
	}
	if (nr >= mid + 1)
	{
		update_add(rs(p), mid + 1, r, nl, nr, k);
	}
	push_up(p);
}

int query(int p, int l, int r, int nl, int nr)
{
	if (l >= nl && r <= nr)
	{
		return tree[p] % m;
	}
	int res = 0;
	push_down(p, l, r);
	int mid = (l + r) / 2;
	if (nl <= mid)
	{
		res += query(ls(p), l, mid, nl, nr) % m;
	}
	if (nr >= mid + 1)
	{
		res += query(rs(p), mid + 1, r, nl, nr) % m;
	}
	return res % m;
}

int main()
{
	cin >> n >> q >> m;
	for (int i = 1; i <= n; i++)
	{
		cin >> a[i];
	}
	build(1, 1, n);
	while (q--)
	{
		int mod;
		cin >> mod;
		int x, y, k;
		if (mod == 1)
		{
			cin >> x >> y >> k;
			update_mul(1, 1, n, x, y, k);
		}
		else if (mod == 2)
		{
			cin >> x >> y >> k;
			update_add(1, 1, n, x, y, k);
		}
		else if (mod == 3)
		{
			cin >> x >> y;
			cout << query(1, 1, n, x, y) << endl;
		}
	}
	return 0;
}
2024/11/24 22:55
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