From 56c8b7aff7ac95dbf53b733aee5a5f4a70a88317 Mon Sep 17 00:00:00 2001 From: Baoshuo Date: Thu, 23 Jun 2022 10:33:33 +0800 Subject: [PATCH] =?UTF-8?q?#1445.=20=E6=95=B0=E5=88=97=E5=88=86=E5=9D=97?= =?UTF-8?q?=E5=85=A5=E9=97=A87?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit https://sjzezoj.com/submission/53258 --- S2OJ/1445/1445.cpp | 108 +++++++++++++++++++++++++++++++++++++++++ S2OJ/1445/data/a1.in | 3 ++ S2OJ/1445/data/a1.out | 3 ++ S2OJ/1445/data/a10.in | 3 ++ S2OJ/1445/data/a10.out | 3 ++ S2OJ/1445/data/a2.in | 3 ++ S2OJ/1445/data/a2.out | 3 ++ S2OJ/1445/data/a3.in | 3 ++ S2OJ/1445/data/a3.out | 3 ++ S2OJ/1445/data/a4.in | 3 ++ S2OJ/1445/data/a4.out | 3 ++ S2OJ/1445/data/a5.in | 3 ++ S2OJ/1445/data/a5.out | 3 ++ S2OJ/1445/data/a6.in | 3 ++ S2OJ/1445/data/a6.out | 3 ++ S2OJ/1445/data/a7.in | 3 ++ S2OJ/1445/data/a7.out | 3 ++ S2OJ/1445/data/a8.in | 3 ++ S2OJ/1445/data/a8.out | 3 ++ S2OJ/1445/data/a9.in | 3 ++ S2OJ/1445/data/a9.out | 3 ++ 21 files changed, 168 insertions(+) create mode 100644 S2OJ/1445/1445.cpp create mode 100644 S2OJ/1445/data/a1.in create mode 100644 S2OJ/1445/data/a1.out create mode 100644 S2OJ/1445/data/a10.in create mode 100644 S2OJ/1445/data/a10.out create mode 100644 S2OJ/1445/data/a2.in create mode 100644 S2OJ/1445/data/a2.out create mode 100644 S2OJ/1445/data/a3.in create mode 100644 S2OJ/1445/data/a3.out create mode 100644 S2OJ/1445/data/a4.in create mode 100644 S2OJ/1445/data/a4.out create mode 100644 S2OJ/1445/data/a5.in create mode 100644 S2OJ/1445/data/a5.out create mode 100644 S2OJ/1445/data/a6.in create mode 100644 S2OJ/1445/data/a6.out create mode 100644 S2OJ/1445/data/a7.in create mode 100644 S2OJ/1445/data/a7.out create mode 100644 S2OJ/1445/data/a8.in create mode 100644 S2OJ/1445/data/a8.out create mode 100644 S2OJ/1445/data/a9.in create mode 100644 S2OJ/1445/data/a9.out diff --git a/S2OJ/1445/1445.cpp b/S2OJ/1445/1445.cpp new file mode 100644 index 00000000..00d60a4d --- /dev/null +++ b/S2OJ/1445/1445.cpp @@ -0,0 +1,108 @@ +#include +#include +#include + +using std::cin; +using std::cout; +const char endl = '\n'; + +const int N = 1e5 + 5; +const int mod = 10007; + +int n, t, c, a[N], st[N], ed[N], add[N], mul[N], pos[N]; + +inline void update(int x) { + for (int i = st[x]; i <= ed[x]; i++) { + a[i] = (a[i] * mul[x] % mod + add[x]) % mod; + } + + mul[x] = 1; + add[x] = 0; +} + +// 加法 +void change1(int l, int r, int c) { + int p = pos[l], + q = pos[r]; + + if (p == q) { + update(p); + + for (int i = l; i <= r; i++) { + a[i] = (a[i] + c) % mod; + } + + return; + } + + update(p); + for (int i = l; i <= ed[p]; i++) a[i] = (a[i] + c) % mod; + update(q); + for (int i = st[q]; i <= r; i++) a[i] = (a[i] + c) % mod; + for (int i = p + 1; i <= q - 1; i++) add[i] = (add[i] + c) % mod; +} + +// 乘法 +void change2(int l, int r, int c) { + int p = pos[l], + q = pos[r]; + + if (p == q) { + update(p); + + for (int i = l; i <= r; i++) { + a[i] = a[i] * c % mod; + } + + return; + } + + update(p); + for (int i = l; i <= ed[p]; i++) a[i] = a[i] * c % mod; + update(q); + for (int i = st[q]; i <= r; i++) a[i] = a[i] * c % mod; + for (int i = p + 1; i <= q - 1; i++) { + mul[i] = mul[i] * c % mod; + add[i] = add[i] * c % mod; + } +} + +int main() { + std::ios::sync_with_stdio(false); + + cin >> n; + + for (int i = 1; i <= n; i++) { + cin >> a[i]; + } + + std::fill(mul, mul + n + 2, 1); + t = std::sqrt(n); + + for (c = 1;; c++) { + st[c] = (c - 1) * t + 1; + ed[c] = std::min(n, c * t); + + if (c * t >= n) break; + } + + for (int i = 1; i <= c; i++) { + for (int j = st[i]; j <= ed[i]; j++) { + pos[j] = i; + } + } + + for (int i = 1, op, l, r, c; i <= n; i++) { + cin >> op >> l >> r >> c; + + if (op == 0) { + change1(l, r, c); + } else if (op == 1) { + change2(l, r, c); + } else { // op == 2 + cout << (a[r] * mul[pos[r]] % mod + add[pos[r]]) % mod << endl; + } + } + + return 0; +} diff --git a/S2OJ/1445/data/a1.in b/S2OJ/1445/data/a1.in new file mode 100644 index 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