View Compilation Error

0_0_29478205_10788.cpp:2:1: error: 'n' does not name a type
 n = 0 ;
 ^
0_0_29478205_10788.cpp:4:1: error: expected unqualified-id before 'while'
 while ( c = getchar () ) {
 ^
0_0_29478205_10788.cpp:7:1: error: 'n' does not name a type
 n = c - '0' ;
 ^
0_0_29478205_10788.cpp:8:1: error: expected unqualified-id before 'while'
 while ( c = getchar () ) {
 ^
0_0_29478205_10788.cpp:11:2: error: expected declaration before '}' token
 }}const int maxn = 50005 ;const int mod = 10007 ;short dp[2][33][33][maxn] ;int c[33] , d[33] ;char s[maxn] , s1[33] ;vector<int> vec[maxn] ;int p[20][maxn] , fa[maxn] , deep[maxn] ;struct LCA {
  ^