View Compilation Error

0_0_14910710_29668.cpp: In function 'int main()':
0_0_14910710_29668.cpp:5:21: error: expected ')' before '!' token
 while(scanf("%d",&n)!1)
                     ^
0_0_14910710_29668.cpp:5:23: error: expected ';' before ')' token
 while(scanf("%d",&n)!1)
                       ^
0_0_14910710_29668.cpp:20:1: error: expected '}' at end of input
 }
 ^