View Compilation Error

0_0_29962097_11450.cpp: In function 'int main()':
0_0_29962097_11450.cpp:78:17: error: 'else' without a previous 'if'
                 else
                 ^
0_0_29962097_11450.cpp:82:52: error: 'i' was not declared in this scope
                     pos3=query(T[x-1], T[y], 1, m, i-2);
                                                    ^
0_0_29962097_11450.cpp:92:16: error: 'flag' was not declared in this scope
             if(flag==1)
                ^
0_0_29962097_11450.cpp:93:33: error: 'maxnn' was not declared in this scope
                 printf("%lld\n",maxnn);
                                 ^
0_0_29962097_11450.cpp: At global scope:
0_0_29962097_11450.cpp:98:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_29962097_11450.cpp:99:1: error: expected declaration before '}' token
 }
 ^