View Compilation Error

0_0_36571867_5602.cpp: In function 'int main()':
0_0_36571867_5602.cpp:64:17: error: 'q' was not declared in this scope
     scanf("%d",&q);
                 ^
0_0_36571867_5602.cpp:83:22: error: 'qr' was not declared in this scope
             pos[cnt]=qr;
                      ^