foo.cpp: In function 'int main()':
foo.cpp:16:24: error: 'memset' was not declared in this scope
  memset(f, 0, sizeof(f)), f[0][0] = 1;
                        ^
foo.cpp:25:24: error: invalid operands of types 'int' and 'int [15]' to binary 'operator<<'
  for (k = 0; k < (1 << p); k ++)
                        ^
foo.cpp:27:31: error: invalid operands of types 'int*' and 'int' to binary 'operator%'
  f[i][j] = (f[i][j] + f[k]) % 100000000;
                               ^