View Compilation Error

0_0_37771377_3868.cpp: In function 'void slove()':
0_0_37771377_3868.cpp:30:9: error: expected primary-expression before '/' token
         /r
         ^
0_0_37771377_3868.cpp:30:10: error: 'r' was not declared in this scope
         /r
          ^
0_0_37771377_3868.cpp:66:21: error: 'fl' was not declared in this scope
                     fl = true;
                     ^
0_0_37771377_3868.cpp:69:16: error: 'fl' was not declared in this scope
             if(fl)
                ^
0_0_37771377_3868.cpp:74:13: error: 'fl' was not declared in this scope
         if(!fl)
             ^