From 32ca556536c02c7bfaf0318a2a4abe17813d995e Mon Sep 17 00:00:00 2001 From: Baoshuo Date: Thu, 15 Sep 2022 14:04:06 +0800 Subject: [PATCH] =?UTF-8?q?3613.=20[Heoi2014]=20=E5=8D=97=E5=9B=AD?= =?UTF-8?q?=E6=BB=A1=E5=9C=B0=E5=A0=86=E8=BD=BB=E7=B5=AE?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit https://hydro.ac/d/bzoj/record/6322c03f32ae6c3198cc6a1d --- BZOJ/3613/3613.cpp | 58 +++++++++++++++++++++++++++++++++++++++++++ BZOJ/3613/data/1.in | 3 +++ BZOJ/3613/data/1.out | 3 +++ BZOJ/3613/data/10.in | 3 +++ BZOJ/3613/data/10.out | 3 +++ BZOJ/3613/data/2.in | 3 +++ BZOJ/3613/data/2.out | 3 +++ BZOJ/3613/data/3.in | 3 +++ BZOJ/3613/data/3.out | 3 +++ BZOJ/3613/data/4.in | 3 +++ BZOJ/3613/data/4.out | 3 +++ BZOJ/3613/data/5.in | 3 +++ BZOJ/3613/data/5.out | 3 +++ BZOJ/3613/data/6.in | 3 +++ BZOJ/3613/data/6.out | 3 +++ BZOJ/3613/data/7.in | 3 +++ BZOJ/3613/data/7.out | 3 +++ BZOJ/3613/data/8.in | 3 +++ BZOJ/3613/data/8.out | 3 +++ BZOJ/3613/data/9.in | 3 +++ BZOJ/3613/data/9.out | 3 +++ 21 files changed, 118 insertions(+) create mode 100644 BZOJ/3613/3613.cpp create mode 100644 BZOJ/3613/data/1.in create mode 100644 BZOJ/3613/data/1.out create mode 100644 BZOJ/3613/data/10.in create mode 100644 BZOJ/3613/data/10.out create mode 100644 BZOJ/3613/data/2.in create mode 100644 BZOJ/3613/data/2.out create mode 100644 BZOJ/3613/data/3.in create mode 100644 BZOJ/3613/data/3.out create mode 100644 BZOJ/3613/data/4.in create mode 100644 BZOJ/3613/data/4.out create mode 100644 BZOJ/3613/data/5.in create mode 100644 BZOJ/3613/data/5.out create mode 100644 BZOJ/3613/data/6.in create mode 100644 BZOJ/3613/data/6.out create mode 100644 BZOJ/3613/data/7.in create mode 100644 BZOJ/3613/data/7.out create mode 100644 BZOJ/3613/data/8.in create mode 100644 BZOJ/3613/data/8.out create mode 100644 BZOJ/3613/data/9.in create mode 100644 BZOJ/3613/data/9.out diff --git a/BZOJ/3613/3613.cpp b/BZOJ/3613/3613.cpp new file mode 100644 index 00000000..314909bb --- /dev/null +++ b/BZOJ/3613/3613.cpp @@ -0,0 +1,58 @@ +#include +#include + +using std::cin; +using std::cout; +const char endl = '\n'; + +const int N = 5e6 + 5; + +int n, s_a, s_b, s_c, s_d, a[N], b[N], mod, ans; + +inline int f(int x) { + return (static_cast(s_a) % mod * x % mod * x % mod * x % mod + + static_cast(s_b) % mod * x % mod * x % mod + + static_cast(s_c) % mod * x % mod + + s_d) + % mod; +} + +bool check(int x) { + std::copy_n(a + 1, n, b + 1); + + for (int i = 1; i <= n; i++) { + b[i] = std::max(b[i - 1], b[i] - x); + + if (std::abs(a[i] - b[i]) > x) return false; + } + + return true; +} + +int main() { + std::ios::sync_with_stdio(false); + cin.tie(nullptr); + + cin >> n >> s_a >> s_b >> s_c >> s_d >> a[1] >> mod; + + for (int i = 2; i <= n; i++) { + a[i] = (f(a[i - 1]) + f(a[i - 2])) % mod; + } + + int l = 0, r = mod; + + while (l <= r) { + int mid = l + r >> 1; + + if (check(mid)) { + ans = mid; + r = mid - 1; + } else { + l = mid + 1; + } + } + + cout << ans << endl; + + return 0; +} diff --git a/BZOJ/3613/data/1.in b/BZOJ/3613/data/1.in new file mode 100644 index 00000000..af183b48 --- /dev/null +++ b/BZOJ/3613/data/1.in @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:c9c8ab687cf64b658d2e6c3f988fc1c9235a9586c27c859f40bd6b483f6103a2 +size 39 diff --git a/BZOJ/3613/data/1.out b/BZOJ/3613/data/1.out new file mode 100644 index 00000000..60699984 --- /dev/null +++ b/BZOJ/3613/data/1.out @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:9091e1fa036b34b55f7d86a231cfbe8efce7cbec39dda8068dd642bdb4df3a81 +size 10 diff --git a/BZOJ/3613/data/10.in b/BZOJ/3613/data/10.in new file mode 100644 index 00000000..dda64d5f --- /dev/null +++ b/BZOJ/3613/data/10.in @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:28710e45b5cff13fe87621bc04808150a9d30cd2455a7e280d7f674a0d4828dd +size 40 diff --git a/BZOJ/3613/data/10.out b/BZOJ/3613/data/10.out new file mode 100644 index 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