func_code_string: #include <bits/stdc++.h>   using namespace std;   void fileIO() {}   bool sortbysecdesc(const pair<long long, long long> &a,                      const pair<long long, long long> &b) {     return a.second > b.second;   }   int32_t main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     fileIO();     long long T;     T = 1;     while (T--) {       long long n;       cin >> n;       vector<long long> a(n);       for (long long &x : a) {         cin >> x;       }       long long moves = 0;       long long curr = 0;       for (long long x : a) {         moves += abs(x - curr);         curr = x;       }       cout << moves <<   n ;     }     return 0;   }   