View Compilation Error

0_0_34091052_20804.cpp:11:3: error: missing terminating " character
   if((""+a[i]+a[i+1])=="
   ^
0_0_34091052_20804.cpp: In function 'int main()':
0_0_34091052_20804.cpp:11:22: error: expected primary-expression at end of input
   if((""+a[i]+a[i+1])=="
                      ^
0_0_34091052_20804.cpp:11:22: error: expected ')' at end of input
0_0_34091052_20804.cpp:11:22: error: expected statement at end of input
0_0_34091052_20804.cpp:11:22: error: expected '}' at end of input
0_0_34091052_20804.cpp:11:22: error: expected '}' at end of input