A. Cardiology
理解题意后,不难理解枚举
- 判断不动点是否唯一
- 不动点一定是连续的,解方程求出一个之后判断一下后一个是否还是不动点即可
- 求收敛到不动点的最大轮数
- 最晚收敛到不动点的一定是第 1 行或第 n 行,证明略。
| #include <bits/stdc++.h> | |
| using int64 = long long; | |
| const int Q = 998244353; | |
| void induced_sort(const std::vector<int> &vec, int val_range, | |
| std::vector<int> &SA, const std::vector<bool> &sl, | |
| const std::vector<int> &lms_idx) { | |
| std::vector<int> l(val_range, 0), r(val_range, 0); | |
| for (int c : vec) { | |
| if (c + 1 < val_range) |
| #include <bits/stdc++.h> | |
| using int64 = long long; | |
| const int N = 10005; | |
| struct Point { | |
| int x, y; | |
| Point(int x = 0, int y = 0) : x(x), y(y) {} | |
| bool operator<(const Point& rhs) { | |
| return x != rhs.x ? x < rhs.x : y < rhs.y; | |
| } |
| #include <bits/stdc++.h> | |
| using uint64 = unsigned long long; | |
| const int N = 100000; | |
| const uint64 inv5 = 14757395258967641293ULL; | |
| const uint64 inv55 = inv5 * inv5 * inv5 * inv5 * inv5; | |
| struct Polynomial { | |
| uint64 a[5]; // w10 ^ {0 .. 4} |
| #include <bits/stdc++.h> | |
| using int64 = unsigned long long; | |
| typedef std::vector<int64> poly; | |
| const int M = 1024; | |
| int64 comb[64][64], ok[M]; | |
| poly operator*(const poly& A, const poly& B) { | |
| poly C(64); |
| a=$(curl https://www.pokemon.co.jp/ex/sv/sc/ | md5) | |
| while : | |
| do | |
| sleep 15 | |
| b=$(curl https://www.pokemon.co.jp/ex/sv/sc/ | md5) | |
| if [ $a != $b ] | |
| then | |
| echo "SV website updated!" | |
| tput bel | |
| break |
理解题意后,不难理解枚举
| {"lastUpload":"2021-10-04T06:47:46.257Z","extensionVersion":"v3.4.3"} |
| #include <bits/stdc++.h> | |
| using namespace std; | |
| const int N = 1000005; | |
| const int M = 400005; | |
| const int SIGMA = 26; | |
| int pct[1 << 13]; | |
| inline int popcount(int x) { | |
| return pct[x >> 13] + pct[x & 8191]; | |
| } |
| ;; Added by Package.el. This must come before configurations of | |
| ;; installed packages. Don't delete this line. If you don't want it, | |
| ;; just comment it out by adding a semicolon to the start of the line. | |
| ;; You may delete these explanatory comments. | |
| (require 'package) ;; You might already have this line | |
| (add-to-list 'package-archives | |
| '("melpa" . "https://melpa.org/packages/")) | |
| (when (< emacs-major-version 24) | |
| ;; For important compatibility libraries like cl-lib | |
| (add-to-list 'package-archives '("gnu" . "http://elpa.gnu.org/packages/"))) |
| #include <bits/stdc++.h> | |
| using namespace std; | |
| const int N = 1005; | |
| const double eps = 1e-7 , pi = acos(-1.0); | |
| inline int dcmp(double x) { | |
| return (x > eps) - (x < -eps); | |
| } | |
| struct Point { |