View Compilation Error

0_0_19229595_12361.cpp: In function 'int main()':
0_0_19229595_12361.cpp:7:17: error: expected ';' before ')' token
  for(i=0,i<n,i++)
                 ^
0_0_19229595_12361.cpp:20:1: error: expected primary-expression before 'return'
 return 0;
 ^
0_0_19229595_12361.cpp:20:1: error: expected ';' before 'return'
0_0_19229595_12361.cpp:20:1: error: expected primary-expression before 'return'
0_0_19229595_12361.cpp:20:1: error: expected ')' before 'return'