View Compilation Error

0_0_29488427_10980.cpp:1:6: error: expected unqualified-id before 'if'
      if(t.b[i]<=9){
      ^
0_0_29488427_10980.cpp:4:6: error: expected unqualified-id before 'else'
      else{char s=t.b[i]+'A'-10;
      ^
0_0_29488427_10980.cpp:8:5: error: expected declaration before '}' token
     }
     ^