Serialprint is different if written first to variable

Projects Programming
3

I can't compile your sketch:

/Users/john/Documents/Arduino/sketch_sep22a/sketch_sep22a.ino: In function 'void setup()':
/Users/john/Documents/Arduino/sketch_sep22a/sketch_sep22a.ino:7:19: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses]
   TCCR1B = TCCR1B & B11111000 | B00000001;
                   ^
/Users/john/Documents/Arduino/sketch_sep22a/sketch_sep22a.ino: In function 'void loop()':
sketch_sep22a:12: error: 'set' was not declared in this scope
   if (set == true) {
       ^
sketch_sep22a:13: error: 'timeold' was not declared in this scope
     timeold = timenew;
     ^
sketch_sep22a:13: error: 'timenew' was not declared in this scope
     timeold = timenew;
               ^
sketch_sep22a:15: error: 'rpm1' was not declared in this scope
     rpm1 = double(double(enc_count1) * double(333333.33 / (timenew - timeold))); //60000000/180=333333,33
     ^
sketch_sep22a:15: error: 'enc_count1' was not declared in this scope
     rpm1 = double(double(enc_count1) * double(333333.33 / (timenew - timeold))); //60000000/180=333333,33
                          ^
sketch_sep22a:20: error: 'PIN_OUTPUT' was not declared in this scope
   analogWrite(PIN_OUTPUT, 100);
               ^
/Users/john/Documents/Arduino/sketch_sep22a/sketch_sep22a.ino: In function 'void count1()':
sketch_sep22a:25: error: 'set' was not declared in this scope
   set = true;
   ^
sketch_sep22a:30: error: 'enc_count1' was not declared in this scope
   enc_count1 = enc_count1 + lookup_table[enc_val1 & 0b1111];
   ^
exit status 1
'set' was not declared in this scope