View Compilation Error

0_0_24959572_21198.cpp: In function 'int main()':
0_0_24959572_21198.cpp:64:15: error: expected primary-expression before '%' token
         scanf(%d,&n);
               ^
0_0_24959572_21198.cpp:64:16: error: 'd' was not declared in this scope
         scanf(%d,&n);
                ^