View Compilation Error

0_0_29340427_27541.cpp: In function 'int main()':
0_0_29340427_27541.cpp:21:13: error: 'res' was not declared in this scope
             res=1;
             ^
0_0_29340427_27541.cpp:25:25: error: 'res' was not declared in this scope
     if(qp(i,a)==qp(a,i))res++;
                         ^
0_0_29340427_27541.cpp: At global scope:
0_0_29340427_27541.cpp:35:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_29340427_27541.cpp:36:1: error: expected declaration before '}' token
 }
 ^