C. Shinju and the Lost Permutation

// Problem: C. Shinju and the Lost Permutation
// Contest: Codeforces - Codeforces Round #779 (Div. 2)
// URL: https://codeforces.com/contest/1658/problem/C
// Memory Limit: 256 MB
// Time Limit: 1000 ms
// 2022-03-27 22:59:43
//
// Powered by CP Editor (https://cpeditor.org)

#include
using namespace std;

#define rep(i,l,r) for(int i=(l);i<=(r);i++) #define per(i,l,r) for(int i=(l);i>=(r);i-

C. Shinju and the Lost Permutation最先出现在Python成神之路。