View Compilation Error

0_0_33522860_12933.cpp: In function 'int main()':
0_0_33522860_12933.cpp:18:33: error: expected ';' before 'if'
         if(q) cout<<endl        if(((n+1)/2)%2==0) {A=b;B=a;}
                                 ^
0_0_33522860_12933.cpp:24:20: error: expected ')' before '}' token
             if(i==1}
                    ^
0_0_33522860_12933.cpp:24:20: error: expected primary-expression before '}' token
0_0_33522860_12933.cpp:31:16: error: 'i' was not declared in this scope
             if(i==n-1)
                ^
0_0_33522860_12933.cpp:39:16: error: 'i' was not declared in this scope
             if(i<n/2+1)            {
                ^
0_0_33522860_12933.cpp: At global scope:
0_0_33522860_12933.cpp:74:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_33522860_12933.cpp:75:1: error: expected declaration before '}' token
 }
 ^