View Compilation Error

0_0_36653909_20649.cpp:24:9: error: missing terminating " character
         printf("%lld
         ^
0_0_36653909_20649.cpp:25:1: error: missing terminating " character
 ",ans/(2*n));
 ^
0_0_36653909_20649.cpp: In function 'int main()':
0_0_36653909_20649.cpp:26:5: error: expected primary-expression before '}' token
     }
     ^