RT。看了 114514min 了还看不出来哪里有错 /kk
#include <bits/stdc++.h>
using namespace std;
namespace liuzimingc {
const int N = 2.5e5 + 5, MOD = 1e9 + 7;
#define int long long
#define endl '\n'
int n, m;
inline void get_mod(int &a) {
if (a >= MOD) a -= MOD;
}
struct matrix {
int a[4][4];
matrix() { memset(a, 0, sizeof(a)); }
inline void clear() { memset(a, 0, sizeof(a)); }
inline void init() { a[0][0] = a[1][1] = a[2][2] = a[3][3] = 1; }
inline matrix operator +(const matrix &b) {
matrix c;
c.a[0][0] = a[0][0] + b.a[0][0];
c.a[0][1] = a[0][1] + b.a[0][1];
c.a[0][2] = a[0][2] + b.a[0][2];
c.a[0][3] = a[0][3] + b.a[0][3];
return c;
}
inline matrix operator *(const matrix &b) {
matrix c;
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++) {
c.a[i][j] += 1ll * a[i][0] * b.a[0][j] % MOD;
get_mod(c.a[i][j]);
c.a[i][j] += 1ll * a[i][1] * b.a[1][j] % MOD;
get_mod(c.a[i][j]);
c.a[i][j] += 1ll * a[i][2] * b.a[2][j] % MOD;
get_mod(c.a[i][j]);
c.a[i][j] += 1ll * a[i][3] * b.a[3][j] % MOD;
get_mod(c.a[i][j]);
}
return c;
}
inline void print() {
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
cout << a[i][j] << " \n"[j == 3];
}
} a[N], k;
struct tree {
int l, r;
matrix sum, tag;
} t[N << 2];
inline void push_up(int p) {
t[p].sum = t[p << 1].sum + t[p << 1 | 1].sum;
}
inline void push_down(int p) {
t[p << 1].sum = t[p << 1].sum * t[p].tag;
t[p << 1].tag = t[p << 1].tag * t[p].tag;
t[p << 1 | 1].sum = t[p << 1 | 1].sum * t[p].tag;
t[p << 1 | 1].tag = t[p << 1 | 1].tag * t[p].tag;
t[p].tag.clear();
t[p].tag.init();
}
void build(int p, int l, int r) {
t[p].l = l, t[p].r = r;
t[p].tag.init();
if (l == r) {
t[p].sum = a[l];
return;
}
int mid = l + r >> 1;
build(p << 1, l, mid);
build(p << 1 | 1, mid + 1, r);
push_up(p);
}
void update(int p, int l, int r, matrix k) {
if (l <= t[p].l && t[p].r <= r) {
t[p].sum = t[p].sum * k;
t[p].tag = t[p].tag * k;
return;
}
push_down(p);
int mid = t[p].l + t[p].r >> 1;
if (l <= mid) update(p << 1, l, r, k);
if (r > mid) update(p << 1 | 1, l, r, k);
push_up(p);
}
matrix ask(int p, int l, int r) {
if (l <= t[p].l && t[p].r <= r) return t[p].sum;
push_down(p);
int mid = t[p].l + t[p].r >> 1;
matrix ans;
if (l <= mid) ans = ans + ask(p << 1, l, r);
if (r > mid) ans = ans + ask(p << 1 | 1, l, r);
return ans;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i].a[0][0] >> a[i].a[0][1] >> a[i].a[0][2], a[i].a[0][3] = 1;
cin >> m;
build(1, 1, n);
while (m--) {
int op, l, r, v;
cin >> op >> l >> r;
if (op == 7) {
matrix ans = ask(1, l, r);
cout << ans.a[0][0] << " " << ans.a[0][1] << " " << ans.a[0][2] << endl;
}
else {
k.init();
if (op == 1) k.a[1][0] = 1;
else if (op == 2) k.a[2][1] = 1;
else if (op == 3) k.a[0][2] = 1;
else {
cin >> v;
if (op == 4) k.a[3][0] = v;
if (op == 5) k.a[1][1] = v;
if (op == 6) {
k.a[2][2] = 0;
k.a[2][3] = v;
}
}
// k.print();
update(1, l, r, k);
}
}
return 0;
}
#undef int
} // namespace liuzimingc
int main() {
liuzimingc::main();
return 0;
}