View Compilation Error

0_0_37771370_24813.cpp: In function 'void slove()':
0_0_37771370_24813.cpp:41:9: error: expected primary-expression before '/' token
         /r
         ^
0_0_37771370_24813.cpp:41:10: error: 'r' was not declared in this scope
         /r
          ^
0_0_37771370_24813.cpp:77:21: error: 'fl' was not declared in this scope
                     fl = true;
                     ^
0_0_37771370_24813.cpp:80:16: error: 'fl' was not declared in this scope
             if(fl)
                ^
0_0_37771370_24813.cpp:85:13: error: 'fl' was not declared in this scope
         if(!fl)
             ^