View Compilation Error

0_0_13244100_6848.cpp: In function 'int main()':
0_0_13244100_6848.cpp:3:3: error: 'cin' was not declared in this scope
   cin>>n;
   ^
0_0_13244100_6848.cpp:4:18: error: expected ';' before ')' token
   for(i=0;i<n,i++)
                  ^