func_code_string: #include <bits/stdc++.h>   using namespace std;   int test, n;   long long f[2000001][2];   const int P = 1000000007;   int main() {     memset(f, 0, sizeof(f));     f[3][0] = 0;     f[3][1] = 4;     for (int i = 4; i <= 2000000; i++)       f[i][0] = max(f[i - 1][0], f[i - 1][1]) + max(f[i - 2][0], f[i - 2][1]) * 2,       f[i][0] %= P, f[i][1] = 4 + f[i - 1][0] + 2 * f[i - 2][0], f[i][1] %= P;     scanf( %d , &test);     for (; test--;) {       scanf( %d , &n);       printf( %lld n , max(f[n][0], f[n][1]));     }   }   