func_code_string: #include <bits/stdc++.h>   #pragma GCC optimize( O3 )   #pragma comment(linker,  /stack:200000000 )   #pragma GCC optimize( unroll-loops )   using namespace std;   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     ;     long long n, m, p;     cin >> n >> m >> p;     vector<long long> a(n);     for (long long i = 0; i < n; ++i) cin >> a[i];     vector<long long> b(m);     for (long long i = 0; i < m; ++i) cin >> b[i];     for (long long i = 0; i < n; ++i) {       bool flag = false;       if (a[i] % p != 0) {         for (long long j = 0; j < m; ++j) {           if (b[j] % p != 0) {             flag = true;             cout << i + j;             break;           }         }         if (flag) {           break;         }       }     }     return 0;   }   