func_code_string: #include <bits/stdc++.h>   using namespace std;   int sum(int a[], int size) {     int sum = 0;     for (int i = 0; i < size; i++) {       sum = sum + a[i];     }     return sum;   }   int main() {     int n;     cin >> n;     int a1[n], a2[n - 1], a3[n - 3];     for (int i = 0; i < n; i++) {       cin >> a1[i];     }     for (int i = 0; i < n - 1; i++) {       cin >> a2[i];     }     for (int i = 0; i < n - 2; i++) {       cin >> a3[i];     }     cout << sum(a1, n) - sum(a2, n - 1) << endl          << sum(a2, n - 1) - sum(a3, n - 2);     return 0;   }   