View Compilation Error

0_0_33805355_31538.cpp: In function 'int work()':
0_0_33805355_31538.cpp:28:43: error: expected ';' before ')' token
                 g[i][j + 1] += f[i - 1][j]);        g[i][j + 1] %= mod;
                                           ^
0_0_33805355_31538.cpp:61:25: error: 'add' was not declared in this scope
         add(ans, f[n][i]);
                         ^