func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, m, k;     scanf( %d %d %d , &n, &m, &k);     int arr[(int)1e5 + 5];     for (int i = 1; i <= n; i++) scanf( %d , &arr[i]);     vector<int> vec;     for (int i = 2; i <= n; i++) vec.push_back(arr[i] - arr[i - 1]);     sort(vec.begin(), vec.end());     long long res = arr[n] - arr[1] + 1;     int bad = k - 1;     for (int i = vec.size() - 1; i >= 0 && bad > 0; i--) {       res -= vec[i] - 1;       bad--;     }     printf( %lld n , res);     return 0;   }   