View Compilation Error

0_0_39777011_7780.cpp: In function 'int main()':
0_0_39777011_7780.cpp:10:17: error: expected ',' or ';' before 'int'
   10 |                 int>>n;
      |                 ^~~
0_0_39777011_7780.cpp:11:31: error: 'n' was not declared in this scope
   11 |                 for(int i=0;i<n;i++){
      |                               ^
0_0_39777011_7780.cpp:12:34: error: expected ';' before 'sum'
   12 |                         cin>>s[i]
      |                                  ^
      |                                  ;
   13 |                         sum+=s[s];
      |                         ~~~       
0_0_39777011_7780.cpp:16:26: error: expected ';' before '+' token
   16 |                 for(int i+0;i<(1<<n);i++){
      |                          ^
      |                          ;
0_0_39777011_7780.cpp:16:35: error: 'n' was not declared in this scope
   16 |                 for(int i+0;i<(1<<n);i++){
      |                                   ^
0_0_39777011_7780.cpp:16:37: error: expected ')' before ';' token
   16 |                 for(int i+0;i<(1<<n);i++){
      |                    ~                ^
      |                                     )
0_0_39777011_7780.cpp:16:38: error: 'i' was not declared in this scope
   16 |                 for(int i+0;i<(1<<n);i++){
      |                                      ^