View Compilation Error

0_0_15293034_4286.cpp: In function 'int main()':
0_0_15293034_4286.cpp:7:19: error: expected ';' before ')' token
   for(i=1,i<=n,i++)
                   ^
0_0_15293034_4286.cpp:14:3: error: expected primary-expression before 'return'
   return 0;
   ^
0_0_15293034_4286.cpp:14:3: error: expected ')' before 'return'