View Compilation Error

0_0_26771637_6991.cpp: In function 'int main()':
0_0_26771637_6991.cpp:10:14: error: expected ';' before ')' token
 for(i=1,n,i++)
              ^
0_0_26771637_6991.cpp:16:1: error: expected primary-expression before 'return'
 return 0;
 ^
0_0_26771637_6991.cpp:16:1: error: expected ')' before 'return'