View Compilation Error

0_0_17022402_7409.cpp:38:1: error: expected unqualified-id before 'for'
 for (i = 1; i < n;++i)
 ^
0_0_17022402_7409.cpp:38:13: error: 'i' does not name a type
 for (i = 1; i < n;++i)
             ^
0_0_17022402_7409.cpp:38:19: error: expected unqualified-id before '++' token
 for (i = 1; i < n;++i)
                   ^