View Compilation Error

0_0_33140667_27466.cpp: In function 'int main()':
0_0_33140667_27466.cpp:101:1: error: 'else' without a previous 'if'
 else insert(rs,x,val);
 ^
0_0_33140667_27466.cpp:101:13: error: 'rs' was not declared in this scope
 else insert(rs,x,val);
             ^
0_0_33140667_27466.cpp:101:16: error: 'x' was not declared in this scope
 else insert(rs,x,val);
                ^
0_0_33140667_27466.cpp:101:18: error: 'val' was not declared in this scope
 else insert(rs,x,val);
                  ^
0_0_33140667_27466.cpp:101:21: error: 'insert' was not declared in this scope
 else insert(rs,x,val);
                     ^
0_0_33140667_27466.cpp:112:10: error: 'work' was not declared in this scope
     work();
          ^