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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#655112 | #6435. Paimon Segment Tree | lllei | Compile Error | / | / | C++20 | 3.9kb | 2024-10-19 00:38:18 | 2024-10-19 00:38:19 |
Judging History
answer
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,tune=native,popcnt,lzcnt,abm,bmi,bmi2,fma")
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
const int N = 5e4 + 5;
int n, m, q;
int a[N];
struct Matrix {
int mt[4][4];
Matrix() : mt{} {}
Matrix(int b) : mt{} {
mt[0][0] = 1;
mt[0][1] = b % mod, mt[1][1] = 1;
mt[0][2] = b * 1ll * b % mod, mt[1][2] = 2 * 1ll * b % mod, mt[2][2] = 1;
mt[0][3] = mt[0][2], mt[1][3] = mt[1][2], mt[2][3] = mt[3][3] = 1;
}
} E;
int md(int x) { return x >= mod ? x - mod : x; }
Matrix operator*(const Matrix &a, const Matrix &b) {
Matrix c;
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++) {
for (int k = 0; k < 4; k++)
c.mt[i][j] = md(a.mt[i][k] * 1LL * b.mt[k][j] % mod + c.mt[i][j]);
}
return c;
}
Matrix operator+(const Matrix &a, const Matrix &b) {
Matrix c;
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++) {
c.mt[i][j] = md(a.mt[i][j] + b.mt[i][j]);
}
return c;
}
Matrix tag[N << 2];
Matrix sum[N << 2];
int vis[N << 2];
void pushdown(int rt) {
if (vis[rt]) {
sum[rt << 1] = sum[rt << 1] * tag[rt];
sum[rt << 1 | 1] = sum[rt << 1 | 1] * tag[rt];
tag[rt << 1] = tag[rt << 1] * tag[rt];
tag[rt << 1 | 1] = tag[rt << 1 | 1] * tag[rt];
vis[rt << 1] = 1;
vis[rt << 1 | 1] = 1;
tag[rt] = E;
vis[rt] = 0;
}
}
void update(int L, int R, int l, int r, int rt, int b) {
if (L <= l && r <= R) {
Matrix tmp = Matrix(b);
tag[rt] = tag[rt] * tmp;
sum[rt] = sum[rt] * tmp;
vis[rt] = 1;
return;
}
pushdown(rt);
int mid = l + r >> 1;
if (L <= mid)
update(L, R, l, mid, rt << 1, b);
if (R > mid)
update(L, R, mid + 1, r, rt << 1 | 1, b);
sum[rt] = sum[rt << 1] + sum[rt << 1 | 1];
}
int query(int L, int R, int l, int r, int rt) {
if (L <= l && r <= R)
return sum[rt].mt[0][3];
pushdown(rt);
int mid = l + r >> 1, ans = 0;
if (L <= mid)
ans = (ans + query(L, R, l, mid, rt << 1)) % mod;
if (R > mid)
ans = (ans + query(L, R, mid + 1, r, rt << 1 | 1)) % mod;
return ans;
}
void build(int l, int r, int rt) {
tag[rt] = E;
if (l == r) {
sum[rt] = E;
return;
}
int mid = l + r >> 1;
build(l, mid, rt << 1);
build(mid + 1, r, rt << 1 | 1);
sum[rt] = sum[rt << 1] + sum[rt << 1 | 1];
}
int L[N], R[N], W[N];
int ans[N];
vector<pair<pair<int, int>, pair<int, int>>> qr[N];
int main() {
cin.tie(0);
ios::sync_with_stdio(0);
cin >> n >> m >> q;
for (int i = 0; i < 4; i++)
E.mt[i][i] = 1;
build(1, n, 1);
for (int i = 1; i <= n; i++) {
int x;
cin >> x;
update(i, i, 1, n, 1, x);
}
for (int i = 1; i <= m; i++)
cin >> L[i] >> R[i] >> W[i];
for (int i = 1; i <= q; i++) {
int l, r, x, y;
cin >> l >> r >> x >> y;
if (x >= 1)
qr[x - 1].push_back({{l, r}, {i, -1}});
qr[y].push_back({{l, r}, {i, 1}});
}
for (int i = 0; i <= m; i++) {
if (i) {
if (L[i] - 1 >= 1)
update(1, L[i] - 1, 1, n, 1, 0);
update(L[i], R[i], 1, n, 1, W[i]);
if (R[i] + 1 <= n)
update(R[i] + 1, n, 1, n, 1, 0);
}
for (auto t : qr[i]) {
int l = t.first.first;
int r = t.first.second;
// cout << query(l, r, 1, n, 1) << ' ' << i << '%' << '\n';
ans[t.second.first] += query(l, r, 1, n, 1) * t.second.second;
ans[t.second.first] %= mod;
}
}
for (int i = 1; i <= q; i++)
cout << (ans[i] % mod + mod) % mod << '\n';
}
详细
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/gthr.h:148, from /usr/include/c++/13/ext/atomicity.h:35, from /usr/include/c++/13/bits/ios_base.h:39, from /usr/include/c++/13/streambuf:43, from /usr/include/c++/13/bits/streambuf_iterator.h:35, from /usr/include/c++/13/iterator:66, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:54, from answer.code:3: /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:102:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 102 | __gthrw(pthread_once) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:102:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:103:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 103 | __gthrw(pthread_getspecific) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:103:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:104:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 104 | __gthrw(pthread_setspecific) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:104:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:106:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 106 | __gthrw(pthread_create) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:106:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:107:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 107 | __gthrw(pthread_join) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:107:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:108:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 108 | __gthrw(pthread_equal) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:108:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:109:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 109 | __gthrw(pthread_self) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:109:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:110:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 110 | __gthrw(pthread_detach) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:110:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:112:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 112 | __gthrw(pthread_cancel) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:112:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:114:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 114 | __gthrw(sched_yield) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:114:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:116:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 116 | __gthrw(pthread_mutex_lock) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:116:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:117:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 117 | __gthrw(pthread_mutex_trylock) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:117:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:119:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute 119 | __gthrw(pthread_mutex_timedlock) | ^~~~~~~ /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:119:1: error: attribute value ‘tune=native’ was already specified in ‘target’ attribute /usr/include/x86_64-linux-gnu/c++/13/bits/gthr-default.h:121:1: error: attribute value ‘t...