View Compilation Error

0_0_14167544_12904.cpp:7:9: error: expected ';' before 'int'
         int main()
         ^
0_0_14167544_12904.cpp: In function 'int main()':
0_0_14167544_12904.cpp:10:20: error: 'sanf' was not declared in this scope
 while(~sanf("%d",&n))
                    ^