View Compilation Error

0_0_36344243_15918.cpp: In function 'int main()':
0_0_36344243_15918.cpp:46:33: error: expected primary-expression before ',' token
             scanf("%lld",&a[i]);, f[i][1] = f[i][0] = a[i];
                                 ^
0_0_36344243_15918.cpp:46:37: error: 'i' was not declared in this scope
             scanf("%lld",&a[i]);, f[i][1] = f[i][0] = a[i];
                                     ^
0_0_36344243_15918.cpp:48:33: error: expected primary-expression before ',' token
             scanf("%lld",&b[i]);, g[i][1] = g[i][0] = b[i];
                                 ^