#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include "books.h"
using namespace std;
#define all(a) (a).begin(), (a).end()
#define sz(a) (int)(a).size()
#define ll long long
#define ld long double
#define ui uint64_t
#define cont(set, element) ((set).find(element) != (set).end())
/********* DEBUG *********/
template <typename T>
void outvec(const vector<T>& Z){
for (const T& x : Z)
cout << x << ' ';
cout << "\n";
}
void printVariable(const any& var) {
if (!var.has_value()) {
cout << "null";
return;
}
if (var.type() == typeid(int)) {
cout << any_cast<int>(var);
} else if (var.type() == typeid(double)) {
cout << any_cast<double>(var);
} else if (var.type() == typeid(float)) {
cout << any_cast<float>(var);
} else if (var.type() == typeid(char)) {
cout << any_cast<char>(var);
} else if (var.type() == typeid(bool)) {
cout << (any_cast<bool>(var) ? "true" : "false");
} else if (var.type() == typeid(string)) {
cout << any_cast<string>(var);
} else if (var.type() == typeid(const char*)) {
cout << any_cast<const char*>(var);
} else if (var.type() == typeid(long long)) {
cout << any_cast<long long>(var);
} else {
cout << "[unknown type]";
}
}
template<typename... Args>
void outval(Args... args) {
vector<any> variables = {args...};
for (size_t i = 0; i < variables.size(); ++i) {
printVariable(variables[i]);
if (i != variables.size() - 1) {
cout << " ";
}
}
cout << "\n";
}
#define sp << " " <<
/********* DEBUG *********/
const ll MOD = 1000000007;
const ll MOD2 = 998244353;
const ll inf = 1e18;
const ll mxN = 1000005;
bool cmp(vector<ll> &a, vector<ll> &b){
return a[0] < b[0];
}
ll minimum_walk(vector<int> p, int s) {
ll n = p.size();
vector<ll> vis(n);
vector<vector<ll>> cycles;
for (int i = 0; i < n; i++){
if (p[i] != i && !vis[i]){
ll r = i, moves = 0;
ll curr = p[i];
moves += abs(curr-i);
vis[i] = true;
while (curr != i){
vis[curr] = true;
moves+=abs(curr-p[curr]);
r = max(r, (ll)curr);
curr = p[curr];
}
cycles.push_back({i, r, moves});
}
}
sort(all(cycles), cmp);
ll ans = 0, hiR = 0, add = 0;
for (int i = 0; i < cycles.size(); i++){
ans += cycles[i][2];
add += max(0LL, cycles[i][0] - hiR);
hiR = max(hiR, cycles[i][1]);
}
return ans + add * 2;
}
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