View Compilation Error

0_0_38237402_2016.cpp:24:1: error: expected unqualified-id before numeric constant
 247
 ^
0_0_38237402_2016.cpp: In function 'void unin(int, int, double)':
0_0_38237402_2016.cpp:32:20: error: 'findfa' was not declared in this scope
  int fau = findfa(u);
                    ^
0_0_38237402_2016.cpp: In function 'int main()':
0_0_38237402_2016.cpp:58:5: error: expected ';' before 'e'
     e[cnt].v = j;
     ^